# Electronics Walla ## Posts - [Arduino Starter Kit for Beginners – Learn Electronics & Coding with 20+ Hands-on Projects](https://electronicswalla.com/best-arduino-starter-kit-for-beginner/): Explore the best Arduino Starter Kit for beginners with 20+ hands-on projects. Learn sensors, coding, robotics, and electronics step-by-step. Perfect for students, makers, and hobbyists. - [Best Microcontroller Board for Beginners](https://electronicswalla.com/best-microcontroller-board-for-beginners/): Before starting your electronics journey, it’s important to know which microcontroller board suits your learning level. Learning microcontrollers is the first big step into the world of electronics, robotics, and automation. But beginners often get confused: This blog simplifies everything.Here are the best microcontroller board for beginners, explained with features, uses, and why they’re perfect […] - [Output Devices in Electronics Project Material: A Complete Guide](https://electronicswalla.com/output-devices-in-electronics-project-material/): What is Output Devices in Electronics? Definition Example Types of Output Devices in Electronics 1. Visual Output Devices These display information in a form that can be seen. 2. Auditory Output Devices These produce sound signals. 3. Hard Copy Output Devices These produce physical copies of digital data. 4. Physical/Mechanical Output Devices These perform physical […] - [What is a Sensor? | Types, Working & Applications](https://electronicswalla.com/what-is-sensor/): Learn how a sensor detects environmental changes and converts them into electrical signals for various applications. - [Buy Electronics Components Online in India | Best Price & Quality](https://electronicswalla.com/electronics-components-online-in-india/): Buy premium-quality electronics components online in India at the best prices. Explore Arduino boards, sensors, ICs, motors, displays & more. Fast delivery and trusted support by Electronics Walla. Discover the Best Electronics Components Online in India Are you looking for a reliable place to buy electronics components online for your DIY, academic, or professional projects?Welcome […] ## Pages - [Submission Graduate Innovation Program 2026 Season 1](https://electronicswalla.com/submission-graduate-innovation-program-2026-season-1/) - [Graduate Innovation Program 2026 (Season 1)](https://electronicswalla.com/graduates-innovation-program/): Join our latest initiative designed to showcase technical creativity and hands-on engineering skills. Graduate Innovation Program 2026 – Registration Form - [Electronics Blog | Arduino Projects, Sensors, Tutorials – Electronics Walla](https://electronicswalla.com/blog/) - [India’s #1 Electronics & Robotics Parts Online Store at Best Prices](https://electronicswalla.com/) - [India’s #1 Electronics & Robotics Parts Store at Best Prices](https://electronicswalla.com/homepage/) - [Our Story](https://electronicswalla.com/our-story/) - [Contact](https://electronicswalla.com/contact/) - [Shipping Policy](https://electronicswalla.com/shipping-policy/): Effective Date: Oct 28, 2024 At Electronics Walla, we aim to deliver your orders promptly and securely. Please review our shipping policy for information on delivery times, charges, and terms for domestic and international shipping. Shipping Charges Processing Time Delivery Time Order Tracking Once your order is shipped, a tracking number will be provided via […] - [Contact Us](https://electronicswalla.com/contact-us/): At Electronics Walla, we’re here to assist you with any questions, concerns, or support you may need. Whether you need help with a product, have inquiries about your order, or simply want to learn more about our offerings, feel free to reach out. Our dedicated team is ready to assist! How to Reach Us AddressElectronics […] - [About us](https://electronicswalla.com/about-us/): We Provide , High quality Electronics Components and support to develop projects. The Electronics Walla is the India based Electronics Component eCommerce Platform, launched in 2024, To support the students for developing innovative projects of electronics using quality electronics component.Welcome to Electronics Walla, your premier destination for high-quality electronics components and innovative project guidance. Founded […] - [Refund Policy](https://electronicswalla.com/refund-policy/): Effective Date: 28 Oct, 2024 At Electronics Walla, customer satisfaction is our priority. If you are not fully satisfied with your purchase, we’re here to help. Please review our return policy to understand our terms for eligible returns, exchanges, and refunds. Eligibility for Returns To qualify for a return, please ensure that: Non-Returnable Items Certain […] - [Terms and Conditions](https://electronicswalla.com/terms-and-conditions/): Effective Date: Oct 28, 2024 Welcome to Electronics Walla. By accessing or using our website, you agree to abide by these Terms and Conditions (“Terms”). If you do not agree with these Terms, please refrain from using our site. These Terms govern your use of the Electronics Walla website, including purchases, interactions, and any other […] - [Blogs](https://electronicswalla.com/blogs/) - [Wishlist](https://electronicswalla.com/wishlist/) - [My Account](https://electronicswalla.com/my-account/) - [Checkout](https://electronicswalla.com/checkout/) - [Cart](https://electronicswalla.com/cart/) - [Shop](https://electronicswalla.com/shop/) - [Privacy Policy](https://electronicswalla.com/privacy-policy/): Effective Date: Oct 28, 2024 Thank you for choosing Electronics Walla. Your privacy is of utmost importance to us, and we are committed to protecting the personal information you share with us. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website and services. By accessing Electronics […] ## Products - [Lenovo V15 - AMD Ryzen 5, 8 GB RAM, 512 SSD](https://electronicswalla.com/product/lenovo-v15-amd-ryzen-5-8gb-ram-512gb-ssd/): 💻 Specifications – Lenovo V15 (Ryzen 5 7520U) ⚙️ Processor: AMD Ryzen™ 5 7520U (2.80 GHz up to 4.30 GHz) 🖥️ Operating System: No OS (DOS) 🎮 Graphics: Integrated AMD Radeon™ 610M 🧠 Memory: 8 GB LPDDR5-5500MHz (Soldered) 💾 Storage: 512 GB SSD M.2 2242 PCIe Gen4 TLC 📺 Display: 15.6" Full HD (1920 x 1080), TN Panel Anti-Glare, Non-Touch 45% NTSC, 250 nits, 60Hz - [Robotic Arm with 5 Degree of Freedom 3D printed plastic Parts](https://electronicswalla.com/product/robotic-arm-with-5-degree-of-freedom-3d-printed-plastic-parts/): Material Type: Plastic Parts only High Quality 3D Printed Parts Assembling will take around 1 Hour as per Experties Multiple color Choice as per Buyer request.(Depends Upon Color Availability) - [Jumper Wire Male to Female Set of 10](https://electronicswalla.com/product/jumper-wire-male-to-female-set-of-10/): Feature Details Wire Type Male-to-Female Jumper Wire Connector Ends 1× Male pin, 1× Female socket Wire Gauge ~28 AWG Length Options Typically 10cm Quantity 40 wires per pack Insulation Material Flexible PVC Compatibility Breadboards, header pins, modules, sensors Reusability High (plug-and-play) Color Coding Multi-color for easy identification Applications Breadboarding, sensor interfacing, modular wiring, prototyping, educational electronics, DIY kits - [7805 Voltage Regulator IC](https://electronicswalla.com/product/7805-voltage-regulator-ic/): 7805 Voltage Regulator IC provides a stable +5V DC output from a higher voltage source. Widely used in power supplies, Arduino projects, and electronic circuits for regulated voltage output. Technical Specifications: Input Voltage Range: 7V – 35V DC Output Voltage: +5V DC (fixed) Output Current: Up to 1A (typical), 1.5A (max with heatsink) Voltage Regulation: ±4% Dropout Voltage: 2V (typical) Power Dissipation: 15W (with heatsink) Package Type: TO-220 Operating Temperature: 0°C to +125°C - [Digital Touch Sensor TTP223B Module (Capacitive Touch Switch)](https://electronicswalla.com/product/digital-touch-sensor-ttp223b-module-capacitive-touch-switch/): TTP223B Digital Touch Sensor Module is a capacitive touch switch that detects touch input without mechanical pressure. Ideal for Arduino projects, DIY electronics, and smart touch control systems. Technical Specifications: Operating Voltage: 2.0V – 5.5V DC Output Type: Digital (Active HIGH) IC Used: TTP223B Response Time: 60ms (touch mode) Output State: HIGH when touched LOW when untouched Touch Type: Capacitive sensing (no physical contact required) Indicator: Onboard LED for touch status PCB Dimensions: Approx. 24mm × 24mm Output Pin Configuration: VCC, GND, OUT - [AT24C256 EEPROM Module – I2C 256Kb Non-Volatile Memory for Arduino & Embedded Applications](https://electronicswalla.com/product/at24c256-eeprom-module-i2c-256kb-non-volatile-memory-for-arduino-embedded-applications/): 📐 Product Specifications Feature Details IC Type AT24C256 EEPROM Memory Capacity 256Kb (32KB) Communication Protocol I2C Operating Voltage 2.7V to 5.5V DC Interface Pins VCC, GND, SDA, SCL Write Cycle Time ~5ms Endurance 1,000,000 write cycles per byte Addressing 7-bit I2C address (configurable via A0, A1, A2) Onboard Features Pull-up resistors, address jumpers Dimensions ~28mm x 15mm x 5mm Weight ~5g Applications Configuration storage, sensor calibration, data logging, embedded memory expansion, IoT devices, robotics, automation systems - [ACS712 30A Current Sensor Module](https://electronicswalla.com/product/acs712-30a-current-sensor-module/): ACS712 30A Current Sensor Module measures AC and DC current up to ±30A with high accuracy using the Hall effect principle. Ideal for power monitoring, motor control, and Arduino-based energy measurement projects. Technical Specifications: Operating Voltage: 5V DC Current Measurement Range: ±30A Output Type: Analog (proportional to current) Sensitivity: 66 mV/A (typical) Measurement Type: AC and DC current Response Time: 5 µs Analog Output Voltage: Vcc/2 at 0A current PCB Dimensions: Approx. 31mm × 13mm Operating Temperature: -40°C to +85°C Mounting Holes: 2 × M3 for easy installation - [830-Point Solderless Breadboard – Full-Size Prototyping Platform for Arduino, IoT & Embedded Systems](https://electronicswalla.com/product/830-point-solderless-breadboard-full-size-prototyping-platform-for-arduino-iot-embedded-systems/): Feature Details Total Tie Points 830 pins Layout 2 power rails + 63 rows of 5-point terminals Material ABS plastic housing Contact Type Nickel-plated spring clips Compatibility 22–28 AWG jumper wires, DIP ICs Dimensions ~165mm x 55mm x 10mm Adhesive Backing Yes (optional peel-off tape) Interlocking Design Yes (can snap with other breadboards) Reusability High (solderless, plug-and-play) Applications Circuit prototyping, embedded system development, sensor interfacing, robotics, educational electronics, DIY projects - [Voltage Detection Sensor Module 25V](https://electronicswalla.com/product/voltage-detection-sensor-module-25v/): Voltage Detection Sensor Module (0–25V) measures DC voltage using a built-in resistive divider circuit. Ideal for monitoring battery levels, power supply voltage, and Arduino-based automation systems. Technical Specifications: Operating Voltage: 0V – 25V DC (input) Output Voltage Range: 0V – 5V DC (scaled down) Output Type: Analog (proportional to input voltage) Voltage Divider Ratio: 5:1 Input Impedance: ~100kΩ Interface Pins: VCC, GND, Signal (S) Module Size: Approx. 25mm × 15mm Compatible Controllers: Arduino, ESP32, NodeMCU, Raspberry Pi - [400-Point Solderless Breadboard – Compact Prototyping Platform for DIY & Embedded Electronics](https://electronicswalla.com/product/400-point-solderless-breadboard-compact-prototyping-platform-for-diy-embedded-electronics/): Feature Details Total Tie Points 400 pins Layout 2 power rails + 30 rows of 5-point terminals Material ABS plastic housing Contact Type Nickel-plated spring clips Compatibility 22–28 AWG jumper wires, DIP ICs Dimensions ~83mm x 55mm x 10mm Adhesive Backing Yes (optional peel-off tape) Interlocking Design Yes (can snap with other breadboards) Reusability High (solderless, plug-and-play) Applications Circuit prototyping, microcontroller testing, sensor interfacing, educational electronics, DIY projects - [Micro SD Card Module – SPI Interface Storage Expansion for Arduino & Embedded Systems](https://electronicswalla.com/product/micro-sd-card-module-spi-interface-storage-expansion-for-arduino-embedded-systems/): Feature Details Module Type Micro SD Card Adapter Module Supported Card Type MicroSD (FAT16/FAT32 format) Communication Protocol SPI (Serial Peripheral Interface) Operating Voltage 3.3V to 5V DC Logic Level Compatibility 5V and 3.3V (with onboard voltage regulator) Interface Pins VCC, GND, MISO, MOSI, SCK, CS Card Slot Type Push-push microSD slot Dimensions ~25mm x 18mm x 5mm Weight ~5g File System Support FAT16 / FAT32 Applications Data logging, audio/image storage, GPS tracking, embedded file systems, IoT devices, portable media players - [XY Joystick Module – Dual-Axis Analog Controller with Push Button for Arduino & DIY Robotics](https://electronicswalla.com/product/xy-joystick-module-dual-axis-analog-controller-with-push-button-for-arduino-diy-robotics/): Feature Details Module Type XY Joystick Module Axes 2 (X and Y analog output) Button Integrated push button (digital output) Operating Voltage 3.3V to 5V DC Interface 5-pin header (GND, +V, VRx, VRy, SW) Output Type Analog (X, Y), Digital (Button) Joystick Type Self-centering spring-loaded Movement Range ~±2.5V analog swing from center Dimensions ~40mm x 25mm x 30mm Mounting Holes Yes (standard PCB mount) Weight ~15g Applications Robotics control, gaming interfaces, pan-tilt systems, menu navigation, DIY electronics, remote control systems - [4x4 Matrix Keypad – 16-Key](https://electronicswalla.com/product/keypad-16-key/): Feature Details Keypad Type 4x4 Matrix Membrane Keypad Total Keys 16 (0–9, A–D, *, #) Layout 4 Rows × 4 Columns Operating Voltage 3.3V to 5V DC Interface 8-pin header (R1–R4, C1–C4) Key Type Tactile membrane switches Material Flexible plastic with adhesive backing Dimensions ~70mm x 77mm x 1mm Cable Length ~80mm (with female header connector) Mounting Adhesive backing for surface mounting Applications Password input, menu navigation, access control, calculators, embedded UI systems - [5V Active Buzzer Module – Compact Sound Alarm for Arduino & DIY Electronics](https://electronicswalla.com/product/5v-active-buzzer-module-compact-sound-alarm-for-arduino-diy-electronics/): Feature Details Buzzer Type Active (self-driven) Operating Voltage 3.3V to 5V DC Sound Output ~85 dB @ 10 cm Frequency ~2.5 kHz (fixed tone) Current Consumption ~20–30 mA Dimensions ~12mm diameter x 9mm height Mounting Type Through-hole or PCB mount Polarity Yes (marked + and - terminals) Interface 2-pin (VCC and GND) Weight ~3g Applications Alarms, timers, status indicators, DIY electronics, robotics, embedded systems - [SX1278 LoRa Wireless Module – 433MHz Long-Range Transceiver for Arduino & IoT Networks](https://electronicswalla.com/product/sx1278-lora-wireless-module-433mhz-long-range-transceiver-for-arduino-iot-networks/): Feature Details Module Type SX1278 LoRa Transceiver Module Frequency Band 433MHz (ISM band) Communication Protocol LoRa (Long Range) Operating Voltage 1.8V to 3.7V DC Interface SPI (MISO, MOSI, SCK, NSS) Transmission Range Up to 5–10 km (line of sight, depending on antenna) Modulation LoRa, FSK, GFSK, MSK Data Rate 0.018 kbps to 37.5 kbps Antenna Interface IPEX / u.FL connector (external antenna required) Power Consumption ~10mA (RX), ~120mA (TX at max power) Dimensions ~28mm x 15mm x 3mm Weight ~5g Applications IoT, telemetry, smart agriculture, remote monitoring, wireless sensor networks, industrial automation - [SIM800L GSM/GPRS Module – Quad-Band Wireless Communication for Arduino & IoT Projects](https://electronicswalla.com/product/sim800l-gsm-gprs-module-quad-band-wireless-communication-for-arduino-iot-projects/):   Feature Details Module Type SIM800L GSM/GPRS Module Network Support GSM/GPRS (850/900/1800/1900 MHz) Operating Voltage 3.7V to 4.2V DC Interface UART (TX, RX, VCC, GND, RST) Baud Rate Default 9600 (configurable via AT commands) SIM Card Slot Micro SIM (push-pull type) Antenna PCB antenna / external antenna via IPX connector Power Consumption ~1mA (idle), ~2A (peak during transmission) Dimensions ~25mm x 23mm x 3mm Weight ~5g Supported Commands AT command set for SMS, call, GPRS, TCP/IP Applications IoT, SMS alerts, GPS tracking, remote control, automation, wireless data logging - [HC-05 Bluetooth Serial Module – Wireless UART Communication for Arduino & Embedded Projects](https://electronicswalla.com/product/hc-05-bluetooth-serial-module-wireless-uart-communication-for-arduino-embedded-projects/): Feature Details Module Type HC-05 Bluetooth Serial Module Communication Protocol Bluetooth 2.0 + EDR (Classic Bluetooth) Operating Voltage 3.3V to 6V DC Logic Level 3.3V TTL (compatible with 5V via voltage divider) Interface UART (TX, RX, VCC, GND, EN, STATE) Baud Rate Default 9600 (configurable via AT commands) Range ~10 meters (open space) Modes Master / Slave (configurable) LED Indicator Status LED for connection and pairing Dimensions ~37mm x 15mm x 5mm Weight ~5g Configuration AT command support Applications Wireless control, data logging, robotics, IoT, home automation - [Fire or Flame Detection Sensor Module](https://electronicswalla.com/product/fire-or-flame-detection-sensor-module/): Flame Detection Sensor Module detects fire or flame sources within a 760 nm–1100 nm wavelength range. Ideal for fire alarm systems, safety automation, and Arduino-based security projects. Technical Specifications: Operating Voltage: 3.3V – 5V DC Output Type: Analog (A0) & Digital (D0) Comparator IC: LM393 Wavelength Sensitivity: 760 nm – 1100 nm Detection Range: Up to 100 cm (depending on flame size and light intensity) Adjustable Sensitivity: Yes (via onboard potentiometer) Indicator LEDs: Power and Output Status Interface Pins: VCC, GND, A0, D0 Module Dimensions: Approx. 32mm × 14mm - [3.7V 400mAh LiPo Battery – Single Cell Rechargeable Power Pack for Embedded & Portable Devices](https://electronicswalla.com/product/3-7v-400mah-lipo-battery-single-cell-rechargeable-power-pack-for-embedded-portable-devices/): Feature Details Battery Type Lithium Polymer (LiPo) Nominal Voltage 3.7V DC Capacity 400mAh Charging Voltage 4.2V (max) Discharge Cutoff Voltage ~3.0V Max Discharge Current ~0.5A (continuous), ~1A (peak) Connector Type JST 2-pin / Bare wire leads (varies by model) Protection Circuit Optional (BMS for overcharge/discharge) Dimensions ~30mm x 20mm x 5mm Weight ~10g Rechargeable Yes Cycle Life ~300–500 charge cycles Applications Wearables, IoT devices, wireless modules, mini robots, STEM kits, embedded systems - [MPU-6050 3-Axis Accelerometer and Gyro Sensor](https://electronicswalla.com/product/mpu-6050-3-axis-accelerometer-and-gyro-sensor/): MPU-6050 Accelerometer and Gyroscope Module combines a 3-axis accelerometer and 3-axis gyro for motion tracking and orientation sensing. Ideal for robotics, drones, and Arduino motion control projects. Technical Specifications: Operating Voltage: 3V – 5V DC Communication Interface: I2C (SCL, SDA) Accelerometer Range: ±2g / ±4g / ±8g / ±16g Gyroscope Range: ±250 / ±500 / ±1000 / ±2000 °/s Motion Processor: 16-bit ADC for each channel Sensor Type: MEMS 3-axis accelerometer and 3-axis gyroscope Operating Current: 3.9mA Operating Temperature: -40°C to +85°C Module Size: Approx. 20mm × 16mm × 2mm - [3.7V 1200mAh Li-ion Rechargeable Battery – Compact Power Cell for DIY & Embedded Projects](https://electronicswalla.com/product/3-7v-1200mah-li-ion-rechargeable-battery-compact-power-cell-for-diy-embedded-projects/): Feature Details Battery Type Lithium-ion (Li-ion) Nominal Voltage 3.7V DC Capacity 1200mAh Charging Voltage 4.2V (max) Discharge Cutoff Voltage ~3.0V Max Discharge Current ~1A (continuous), ~2A (peak) Applications Wearables, IoT devices, robotics, toys, embedded systems, wireless modules - [PIR Motion Sensor Detector Module HC-SR501](https://electronicswalla.com/product/pir-motion-sensor-detector-module-hc-sr501/): HC-SR501 PIR Motion Sensor Module detects human motion using infrared radiation. Ideal for smart lighting, security alarms, and Arduino-based motion detection systems. Technical Specifications: Operating Voltage: 4.5V – 20V DC Output Type: Digital (HIGH/LOW) Sensing Range: 3m – 7m (adjustable) Delay Time: 5s – 5min (adjustable) Detection Angle: ≤ 120° Quiescent Current: < 50 µA Trigger Modes: Non-repeatable (H): Output stays HIGH until delay ends Repeatable (L): Output stays HIGH while motion is detected PCB Dimensions: 32mm × 24mm × 25mm Operating Temperature: -15°C to +70°C - [Raindrop Detection Sensor Module](https://electronicswalla.com/product/raindrop-detection-sensor-module/): Raindrop Detection Sensor Module detects rain or water drops using a conductive rain board and comparator circuit. Ideal for smart irrigation, weather monitoring, and automatic wiper or roof systems. Technical Specifications: Operating Voltage: 3.3V – 5V DC Output Type: Analog & Digital Comparator IC: LM393 Detection Area: Rain detection PCB plate Adjustable Sensitivity: Yes (via onboard potentiometer) Indicator LEDs: Power and Digital Output Output Pins: VCC, GND, A0, D0 Module Size: Control Board: 30mm × 14mm Rain Board: 50mm × 40mm (approx.) - [Soil Moisture Sensor Module](https://electronicswalla.com/product/soil-moisture-sensor/): Soil Moisture Sensor Module detects the water content in soil and provides analog or digital output. Ideal for smart irrigation, plant monitoring, and Arduino-based agricultural automation projects. Technical Specifications: Operating Voltage: 3.3V – 5V DC Output Type: Analog & Digital (D0) Comparator IC: LM393 Detection Area: Dual copper probe Adjustable Sensitivity: Yes (via potentiometer) Indicator LEDs: Power & Digital Output Interface: 4-pin (VCC, GND, A0, D0) Module Size: Approx. 60mm × 20mm Cable Length: ~20cm (varies by version) - [L298N Dual H-Bridge Motor Driver Module – 2A Output for Arduino & Robotics](https://electronicswalla.com/product/l298n-dual-h-bridge-motor-driver-module-2a-output-for-arduino-robotics/): Feature Details Driver IC L298N Dual H-Bridge Operating Voltage 5V to 35V DC Output Current Up to 2A per channel Number of Channels 2 (for 2 DC motors or 1 stepper motor) Logic Voltage 5V TTL compatible Onboard Regulator 5V output (jumper selectable) Heat Sink Yes (aluminum for thermal dissipation) Control Pins IN1, IN2, IN3, IN4, ENA, ENB Motor Terminals Screw terminals for OUT1–OUT4 Power Terminals Screw terminals for VCC, GND, 5V Dimensions ~43mm x 43mm x 27mm Weight ~35g Applications Robotics, automation, smart cars, CNC, motor control systems - [HIW 9V Battery – Long-Lasting Power for Electronics, Toys & DIY Projects](https://electronicswalla.com/product/hiw-9v-battery-long-lasting-power-for-electronics-toys-diy-projects/): Feature Details Battery Type 9V Zinc Carbon Nominal Voltage 9 Volts Capacity ~400–600 mAh (typical for zinc carbon) Terminal Type Snap connector (standard 9V) Dimensions ~48mm x 26mm x 16mm Weight ~35g Shelf Life ~2–3 years (unopened) Operating Temperature -10°C to +50°C Rechargeable No (non-rechargeable) Applications Toys, multimeters, smoke alarms, DIY circuits, remote controls - [BO Series DC Gear Motor – 150 RPM 3–12V Motor for Robotics & DIY Projects](https://electronicswalla.com/product/bo-series-dc-gear-motor-150-rpm-3-12v-motor-for-robotics-diy-projects/): Feature Details Motor Type Brushed DC Gear Motor (BO Series) Operating Voltage 3V to 12V DC Rated Speed ~150 RPM (at 12V) Gearbox Type Plastic, single-stage reduction Torque Output ~1.5–3 kg·cm (varies with voltage) Shaft Type Dual shaft (centered or offset, depending on model) Shaft Diameter ~6 mm Mounting Holes Integrated plastic mounts Dimensions ~70mm x 23mm x 30mm Weight ~35g Current Draw ~100–300 mA (typical) Rotation Direction Bidirectional (reversible via polarity) Applications Robotics, smart cars, automation, STEM kits - [Mini DC Motor – 3V to 6V Brushed Motor for DIY Electronics & Robotics](https://electronicswalla.com/product/mini-dc-motor-3v-to-6v-brushed-motor-for-diy-electronics-robotics/): Feature Details Motor Type Brushed DC Motor Operating Voltage 3V to 6V DC Rated Speed ~10,000–15,000 RPM (at 6V) Current Draw ~100–250 mA (no load) Shaft Diameter ~2 mm Shaft Length ~8–10 mm Body Dimensions ~25mm x 20mm x 15mm Weight ~20g Mounting Holes Yes (standard mini motor mount) Wire Leads Pre-soldered or terminal pins Rotation Direction Bidirectional (reversible via polarity) Applications Robotics, toys, fans, pumps, DIY automation - [Mini 5V DC Water Pump – Low Power Micro Motor for DIY Projects](https://electronicswalla.com/product/mini-5v-dc-water-pump-low-power-micro-motor-for-diy-projects/): Feature Details Operating Voltage 5V DC Current Consumption 100–300 mA (typical) Flow Rate ~80–120 L/H (liters per hour) Lift Height Up to 40–60 cm Pump Type Submersible, centrifugal - [Relay Module (5v, 1 channel)](https://electronicswalla.com/product/relay-module-5v-1-channel/):   Specification Details Operating Voltage 5V DC Channel Single (1-Channel) Control Signal TTL logic compatible Load Capacity Up to 10A @ 250V AC Isolation Optocoupler for safe microcontroller interfacing Indicators Onboard LED for relay status Mounting PCB-ready with screw terminals for easy wiring Applications Home automation, robotics, industrial control, IoT systems   - [HC-SR04 Ultrasonic Distance Sensor Module](https://electronicswalla.com/product/hc-sr04-ultrasonic-distance-sensor-module-2/): HC-SR04 Ultrasonic Sensor Module measures distance from 2cm to 400cm with high accuracy using ultrasonic sound waves. Perfect for obstacle detection, distance measurement, and Arduino-based robotic projects. Technical Specifications: Operating Voltage: 5V DC Operating Current: 15mA (typical) Measuring Range: 2cm – 400cm Accuracy: ±3mm Measuring Angle: ≤ 15° Input Trigger Signal: 10µs TTL pulse Output Echo Signal: TTL level pulse proportional to distance Operating Frequency: 40kHz PCB Size: Approx. 45mm × 20mm × 15mm - [IR (Infrared) Obstacle Avoidance Sensor Module (Range 2cm - 30cm)](https://electronicswalla.com/product/ir-infrared-obstacle-avoidance-sensor-module-range-2cm-30cm/): IR Obstacle Avoidance Sensor Module detects nearby objects using infrared light within a range of 2cm to 30cm. Ideal for obstacle detection, line-following robots, and Arduino-based automation projects. Technical Specifications: Operating Voltage: 3.3V – 5V DC Detection Range: 2cm – 30cm (adjustable) Output Type: Digital (High/Low) Sensing Method: Infrared reflection Detection Angle: ≤ 35° Indicator: Onboard Power and Output LEDs PCB Size: Approx. 4.8cm × 1.5cm - [MQ-8 Hydrogen Gas Sensor Module](https://electronicswalla.com/product/mq-8-hydrogen-gas-sensor-module/): MQ-8 Gas Sensor Module detects hydrogen (H₂) gas with high sensitivity and fast response. Ideal for hydrogen leak detection, gas monitoring systems, and Arduino-based IoT safety projects. Technical Specifications: Operating Voltage: 5V DC Detectable Gas: Hydrogen (H₂) Output Type: Analog & Digital Detection Range: 100 ppm – 10,000 ppm Response Time: < 10 seconds Preheat Time: 20 seconds PCB Size: Approx. 32 mm × 22 mm - [MQ5 LPG Natural Gas Sensor Module](https://electronicswalla.com/product/mq5-lpg-natural-gas-sensor-module/): MQ-5 Gas Sensor Module detects LPG, Methane, Natural Gas, and Hydrogen with high sensitivity. Ideal for gas leakage detection, home safety systems, and Arduino-based IoT projects. Technical Specifications: Operating Voltage: 5V DC Detectable Gas: LPG, Methane, Natural Gas, Hydrogen Output Type: Analog & Digital Detection Range: 200 ppm – 10,000 ppm Response Time: < 10 seconds Preheat Time: 20 seconds PCB Size: Approx. 32 mm × 22 mm - [MQ-4 Gas Methane (CNG) Detector Sensor Module](https://electronicswalla.com/product/mq-4-gas-methane-cng-detector-sensor-module/): MQ-4 Methane Gas Sensor Module detects methane (CH₄), natural gas, and CNG with high sensitivity. Perfect for gas leak detection, safety alarms, and Arduino-based IoT monitoring projects. Parameter Specification Operating Voltage 5 V DC Detectable Gas Methane (CH₄), Natural Gas, CNG Output Type Analog & Digital Detection Range 300 ppm – 10,000 ppm Response Time < 10 s Preheat Time 20 s PCB Size Approx. 32 mm × 22 mm - [MQ-3 Gas Sensor Module for Alcohol Detection](https://electronicswalla.com/product/mq-3-gas-sensor-module-for-alcohol-detection/): MQ-3 Gas Sensor Module detects alcohol vapors with high sensitivity. Ideal for breath analyzers, safety systems, and Arduino-based alcohol detection projects. Parameter Specification Operating Voltage 5V DC Sensing Gas Alcohol vapors (Ethanol, Methanol) Output Analog & Digital Sensitivity Range 0.05 mg/L – 10 mg/L Alcohol Response Time < 10s PCB Size Approx. 32mm x 22mm - [MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module](https://electronicswalla.com/product/mq-2-smoke-lpg-butane-hydrogen-gas-sensor-detector-module/): MQ-2 Smoke & Gas Sensor Module detects LPG, Butane, Hydrogen, and smoke levels in the air with high sensitivity. Ideal for gas leakage detection systems and Arduino-based safety projects. Parameter Specification Operating Voltage 5V DC Sensing Gas LPG, Butane, Methane, Hydrogen, Smoke Output Analog & Digital Sensitivity 300–10,000 ppm Response Time < 10s PCB Size Approx. 32mm x 22mm - [Stepper Motor with driver](https://electronicswalla.com/product/stepper-motor-with-driver/): Step Angle 1.8° per step (200 steps/rev) Holding Torque ~4.4 kg·cm (0.43 Nm) Rated Voltage 2.8 V to 5 V (depends on coil resistance) Current Rating 1.2 A to 2.0 A per phase Coil Resistance ~1.4 Ω Coil Inductance ~2.8 mH Shaft Diameter 5 mm Mounting Flange 42 mm x 42 mm (standard NEMA 17) Driver Module TB6600 Stepper Motor Driver Voltage Range 9 V to 40 V DC - [Servo Motor MG996 (180 degree)](https://electronicswalla.com/product/servo-motor-mg996-180-degree/): Rotation Range 0° to 180° Operating Voltage Typically +5V (can operate up to 6V) Stall Torque 9.4 kg·cm at 4.8V<br>- Up to 13 kg·cm at 6V12 Operating Speed 0.17 sec/60° at 6V Current Draw ~2.5A at 6V (under load) Gear Type Metal (Brass and Aluminum) Control Type Analog (PWM signal) Cable Length ~11 inches (with standard 3-pin connector) - [Servo Motor MG995(180 degree)](https://electronicswalla.com/product/servo-motor-mg995180-degree/): Model MG995 Rotation Angle 0° to 180° (±10° tolerance) Operating Voltage 4.8V – 7.2V DC Stall Torque 8.5 kg·cm Operating Speed 0.2 sec/60° Gear Type Metal gears Bearing Type Dual ball bearing Dead Band Width 5 μs Signal Type PWM (Pulse Width Modulation) Connector 3-pin female header (VCC, GND, Signal) - [Servo Motor MG90(180 degree)](https://electronicswalla.com/product/servo-motor-mg90180-degree/): Technical Specifications Model: MG90S Micro Servo Motor Rotation Angle: 0° to 180° (±10° tolerance) Operating Voltage: 4.8V to 6.0V DC Control Signal: PWM (Pulse Width Modulation) Compatibility Microcontroller Support: Works with: Arduino Uno, Nano, Mega ESP32, ESP8266 Raspberry Pi, Pico Use Cases: Mini robotic arms and grippers RC helicopters, boats, and cars Pan-tilt camera mounts DIY automation projects STEM education kits   - [SG90 Micro Servo Motor 180 degrees 5 Hole Radial Arm Compatible with ESP32/Arduino](https://electronicswalla.com/product/sg90-micro-servo-motor-180-degrees-5-hole-radial-arm-compatible-with-esp32-arduino/):   Model: SG90 Micro Servo Motor Rotation Angle: 0° to 180° (±10° tolerance) Operating Voltage: 4.8V to 6V DC Control Signal: PWM (Pulse Width Modulation) Speed: 0.1 sec/60° Gear Type: Nylon gears (lightweight and quiet) Weight: ~9 grams Connector Type: 3-pin female header (Signal, VCC, GND) Cable Length: ~25 cm Compatibility & Use Cases Microcontroller Support: Fully compatible with: Arduino Uno, Nano, Mega ESP32 and ESP8266 boards Raspberry Pi and Pico - [Dot Matrix Displays 8×8 Red 64 LED 3mm CC- 2Pcs](https://electronicswalla.com/product/8x8-red-64-led-dot-matrix-displays-3mm-cc-2pcs/): LED Configuration: 8 rows × 8 columns (64 LEDs ) LED Type: Red, round, 3mm diameter Pin Configuration: 16 pins for row/column control Polarity: Common Cathode (CC) — all cathodes are connected together LED Wavelength: 625–630 nm (typical red emission) Forward Voltage: 2.1V to 2.5V per LED - [LM35 Board Mount Temperature Sensors](https://electronicswalla.com/product/lm35-board-mount-temperature-sensors/): Measures temperature from -55°C to +150°C Provides analog voltage output (10 mV per °C) High accuracy of ±0.5°C at room temperature Operates from 4V to 30V DC supply Low self-heating for stable performance Easy to interface with Arduino, ESP32, and other microcontrollers Suitable for IoT, automation, HVAC, and industrial temperature monitoring - [DHT22 Digital Temperature and Humidity Sensor Module](https://electronicswalla.com/product/dht22-digital-temperature-and-humidity-sensor-module/): Measures temperature and humidity with high precision Temperature range: -40°C to +80°C Humidity range: 0% to 100% RH Provides digital output for easy Arduino and microcontroller interfacing Operating voltage: 3.3V to 5V Comes with an onboard pull-up resistor for reliable signal output Suitable for IoT, automation, weather stations, and greenhouse monitoring - [Nano 328P Expansion Adapter Breakout Board IO Shield](https://electronicswalla.com/product/nano-328p-expansion-adapter-breakout-board-io-shield/): Compatible with Arduino Nano 328P and Nano Every Converts Nano pins to easy-to-use header interfaces Includes 3-pin (VCC, GND, Signal) ports for sensors and modules Supports analog and digital I/O connections Provides I2C, UART, and SPI communication support Ideal for robotics, IoT, and DIY electronic projects Works with 5V and 3.3V logic systems - [Sensor Shield V5 Expansion Board For Arduino](https://electronicswalla.com/product/sensor-shield-v5-expansion-board-for-arduino/): ✅ Compatible with Arduino UNO, Mega, and Duemilanove⚙️ Simplifies connection of sensors, servos, and I2C devices🔌 Offers 3-pin (VCC, GND, Signal) interface for easy plug-and-play💡 Supports analog and digital inputs/outputs🧠 Includes UART and I2C communication ports🧩 Ideal for robotics, automation, and IoT projects🔋 Works with 5V logic systems - [OLED Display(0.96inch)](https://electronicswalla.com/product/oled-display0-96inch/): Feature Details Display Type OLED Screen Size 0.96 inch Resolution 128 × 64 pixels Interface I2C (default) Driver IC SSD1306 Operating Voltage 3.3V to 5V - [Arduino Starter Kit](https://electronicswalla.com/product/arduino-starter-kit/): The Electronics Walla Arduino Starter Kit includes all essential components like an Arduino Uno, sensors (DHT11, LDR, soil moisture, ultrasonic), LEDs, resistors, jumper wires, a servo motor, a DC motor, an LCD display with I2C, and more. It also comes with a detailed instruction manual featuring 20+ hands-on projects with ready-to-use codes, making it perfect for beginners to learn electronics, programming, and automation. - [ESP32-WROOM-32UE Development Board Module for Arduino](https://electronicswalla.com/product/esp32-wroom-32ue-development-board-module-for-arduino/): Specification :  CPU Speed 2.4 GHz Connectivity Technology Bluetooth, Wi-Fi Included Components ESP 32 Development board Operating System Windows 10   About this item Nodemcu ESP32S, ESP3212, ESP-32S, ESP-3212, Wireless WiFi Bluetooth Module Supports three modes: AP, STA, and AP+STA Supports Lua program, easily to develop Strong function with support LWIP protocol, Freertos Arduino compatible scm & diy kits module board - [ESP8266 NodeMCU CP2102 Board](https://electronicswalla.com/product/esp8266-wifi-module/): Esp8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained wi-fi networking solution, allowing it to either host the application or to offload all wi-fi networking functions from another application processor. - [CR2032 3V Lithium Coin Battery](https://electronicswalla.com/product/cr2032-3v-lithium-coin-battery/): About this item High leak protection and hence no oxidation damage in devices, so it can be used in any expensive Gadget with superior safety. Useful in a wide range of temperatures (-30°C to +60°C) High and Stable voltage (3V) Resistance to continuous discharge and hence Very low self-discharge; Package Includes: 1 x CR2032 3V Lithium Coin Battery. - [4-Wheel Drive Robot Smart Car Chassis Kits](https://electronicswalla.com/product/4-wheel-drive-robot-smart-car-chassis-kits/): Specification of Motor Voltage DC 6V Current 120MA Reduction rate 48:1 RPM (With tire) 240 Tire Diameter 66mm Car Speed(M/minute) 48 Motor Weight (g) 50 Motor Size 70mm*22mm*18mm Noise <65dB. Simple DIY Car with gear motor,wheels etc. - [Hall Effect Sensor](https://electronicswalla.com/product/hall-effect-sensor/): The Hall Effect sensor is a transducer that varies its output voltage in response of a magnetic field. Hall Effect sensors are used for proximity switching, positioning, speed detection, and current sensing applications. In its simplest form, the sensor operates as an analog transducer, directly returning a voltage. Digital Output Hall-effect sensor · Operating voltage: 4.5V to 28V (typically 5V) · Output Current: 25mA · - [LM393 Photosensitive light dependent resistor LDR sensor module](https://electronicswalla.com/product/lm393-photosensitive-light-dependent-resistor-ldr-sensor-module/): LM393 Photosensitive LDR Sensor Module detects light intensity using an onboard LDR and LM393 comparator. Ideal for automatic light systems, streetlight control, and Arduino-based smart projects. Technical Specifications: Operating Voltage: 3.3V – 5V DC Output Type: Digital (High/Low) Comparator IC: LM393 Light Sensor Type: Photosensitive LDR Adjustable Sensitivity: Yes (via onboard potentiometer) Indicator LEDs: Power & Output Status Output Interface: 3-pin (VCC, GND, D0) PCB Dimensions: Approx. 32 mm × 14 mm Operating Temperature: -30°C to +80°C - [5mm Photosensative LDR sensor](https://electronicswalla.com/product/5mm-photosensative-ldr-sensor/): 5mm Photosensitive LDR Sensor detects light intensity and changes resistance according to ambient light. Ideal for automatic light control, streetlight projects, and Arduino-based automation systems. Technical Specifications: Type: Photoresistor (LDR) Diameter: 5mm Operating Voltage: 3V – 5V (typical for interfacing) Spectral Peak: 540nm Light Resistance: 5–10 kΩ (under 10 lux) Dark Resistance: > 1 MΩ Response Time: 20ms (Rise), 30ms (Fall) Operating Temperature: -30°C to +70°C - [RF Wireless Module Pair (433MHZ)](https://electronicswalla.com/product/rf-wireless-module-pair-433mhz/): DC 5V 433Mhz RF Wireless Transmitter Module and Receiver Kit The TX-ASK is an effective low-cost solution for using the 433 MHz frequency. This ASK hybrid transmitter module is designed with a saw resonator, making it small, cost-effective, and easy to use for designing. However, it's important to note that this 433mhz rf transmitter and receiver kit does not support direct UART communication when connected to PCs or microcontrollers due to the high levels of noise on these frequencies. - [TTP223 Capacitive Touch Switch Module](https://electronicswalla.com/product/capacitive-touch-switch-module/): The Capacitive Touch Switch Sensor Module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. Allows you to remove the worry of conventional push-type keys. - [3 Axis Gyroscope Accelerometer Module](https://electronicswalla.com/product/3-axis-gyroscope-accelerometer-module/): The MPU6050 is an IMU (Inertial Estimation Unit) sensor, a portion of the Micro-Electro-Mechanical Systems (MEMS) family. It highlights a 3-axis accelerometer and a 3-axis gyroscope. The MPU6050 module in addition called a magnetometer sensor. - [DHT11 Temperature And Humidity Sensor Module with LED](https://electronicswalla.com/product/dht11-temperature-and-humidity-sensor-module-with-led/): DHT 11 - [Red LED 5mm, Light Emitting Diode (red in red) basic Pack of 50 (RED-IN-RED)](https://electronicswalla.com/product/red-led-5mm-light-emitting-diode-red-in-red-basic-pack-of-50-red-in-red/): Color : RED led Package Contents : 50 X 5MM led Depth : 5 mm Height : 37 mm Width : 5 mm These light-emitting diodes work well for a wide variety of applications Great for electronic and electrical experiments In red casing/lens. Emits diffused, bright red light. [WIDELY USE ] - Electronic and electrical experiments, Small science experiments, Party Decorations, DIY LED Projects - [5mm RGB 4 Pin Tri Color (Red Green Blue) Diffused Light Lamp LED Diode Pack of (COMMON CATHODE (CC RGB), 10)](https://electronicswalla.com/product/5mm-rgb-4-pin-tri-color-red-green-blue-diffused-light-lamp-led-diode-pack-of-common-cathode-cc-rgb-10/): Specification :  Size : Regular 5mm Voltage : 3-5 volt Range includes 10 rgb led's in packet - [LCD 16x2 Alphanumeric Display (JHD162A) for 8051, AVR, Arduino, PIC, ARM All (Yellow) (LCD 16x2)](https://electronicswalla.com/product/lcd-16x2-alphanumeric-display-jhd162a-for-8051-avr-arduino-pic-arm-all-yellow-lcd-16x2/): LCD 16x2 Alphanumeric Display (JHD162A) for 8051, AVR, Arduino, PIC, ARM All (Yellow) (LCD 16x2) - [Raspberry Pi 3 Model B+ Kit with Adapter, Case, LAN & HDMI Cable, HeatSink, SD Card - The Complete Kit](https://electronicswalla.com/product/raspberry-pi-3-model-b-kit-with-adapter-case-lan-hdmi-cable-heatsink-sd-card-the-complete-kit/): RASPBERRY PI 3 MODEL B+, equivalent or better- Accessories - MicroSD card - 32 GB, USB 3.0 cable (1 meter), HDMI to VGA - 1 meter, HDMI to VGA adapter, Case shell enclosure - [ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE with Cable](https://electronicswalla.com/product/esp-wroom-32-esp32-esp-32s-development-board-2-4ghz-dual-mode-wifi-bluetooth-dual-cores-microcontroller-processor-integrated-with-antenna-rf-amp-filter-ap-sta-for-arduino-ide-with-cable/): About this item Kit Contain: ESP 32 X1, Micro Usb Cable ( cable colour might change) Nodemcu ESP32S, ESP3212, ESP-32S, ESP-3212, Wireless WiFi Bluetooth Module Supports three modes: AP, STA and AP+STA Supports Lua program, easily to develop Single or Dual-Core 32-bit LX6 Microprocessor with clock frequency up to 240 MHz. - [Arduino Mega 2560 CH340 R3 Board Atmega2560-16AU Compatible for Arduino](https://electronicswalla.com/product/arduino-mega-2560-ch340-r3-board-atmega2560-16au-compatible-for-arduino/): Specifications : Microcontroller: ATmega2560 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 54 (of which 15 provide PWM output) - [Nano R3 W/O USB Cable Compatible with Arduino](https://electronicswalla.com/product/nano-r3-w-o-usb-cable-compatible-with-arduino/): Discover the Arduino Nano, a compact yet powerful microcontroller boasting the ATmega328P chip for robust performance. With versatile connectivity options, including digital and analog pins, serial communication, and support for I2C and SPI, it seamlessly integrates into a wide range of projects. Ideal for robotics, IoT devices, and prototyping, the Nano's intuitive programming interface and compatibility with a vast ecosystem of libraries make it the ultimate choice for makers of all skill levels. - [Arduino UNO R3 board with SMD ATmega328P](https://electronicswalla.com/product/arduino-uno-r3-board-with-dip-atmega328p-2/): The Arduino Uno is a microcontroller board based on the Atmel’s ATmega328 It has 14 digital input output pins of which 6 can be used as PWM outputs and 6 analog inputs The Arduino Uno can be powered via USB connection or with an external power supply The Arduino Uno original contains everything needed to […] - [Arduino UNO R3 board with DIP ATmega328P](https://electronicswalla.com/product/arduino-uno-r3-board-with-dip-atmega328p/): Arduino Uno is the ideal board for getting started with electronics, through fun and engaging hands-on projects. This board is your entry to the unique Arduino experience: great for learning the basics of how sensors and actuators work, and an essential tool for your rapid prototyping needs. ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/electronicswalla.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)