DIYgh Tech Store
Showing 61–75 of 116 results
GY-302 BH1750 Digital Light Intensity Sensor Module
Digital ambient light sensor for accurate light-intensity measurement in Arduino, ESP32, Raspberry Pi and IoT projects. The GY-302 uses the BH1750 sensor to provide direct illumination readings in lux through an I2C interface, eliminating the analogue calculations normally required with LDR sensors.
Sensor: BH1750FVI
Measurement: Light intensity in lux
Supply: 3V–5V DC
Interface: I2C
Range: Approx. 1–65,535 lux
ADC: 16-bit
I2C Address: 0x23 / 0x5C selectable
Best For: Smart lighting, agriculture, environmental monitoring, robotics and IoT projects
HC-12 433MHz Long-Range Wireless Serial Transceiver Module
Long-range 433MHz wireless serial transceiver for Arduino, ESP32, STM32 and other microcontroller projects. The HC-12 provides easy UART-based wireless communication with configurable channels, baud rate and transmission power, making it ideal for telemetry, robotics, remote sensors and automation systems.
Frequency: 433.4 - 473.0MHz
Supply: 3.2 - 5.5V DC
Interface: TTL UART Serial
Baud Rate: 1200 - 115200bps
TX Power: Up to 100mW / +20dBm
Channels: Up to 100
Range: Up to approximately 1km line-of-sight
Best For: Telemetry, wireless sensors, robotics, automation and long-range microcontroller communication
HC-SR04 Ultrasonic Sensor Module | Distance Measurement for Arduino
Give your robot eyes. The HC-SR04 uses sonar (sound waves) to measure distance, just like a bat. It is the standard sensor for obstacle avoidance robots and water level monitoring systems.
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Range: 2cm to 400cm (4 Meters)
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Accuracy: 3mm
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Pins: VCC, Trig, Echo, GND
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Best For: Obstacle avoiding cars, reverse parking sensors, and tank level detection.
HC-SR04 Ultrasonic Sensor Mounting Bracket – Red / Blue
Acrylic mounting bracket designed for the HC-SR04 ultrasonic distance sensor in robotics, smart cars and DIY electronics projects. It provides a secure and convenient way to mount the sensor while maintaining proper alignment for reliable distance and obstacle detection.
Compatible Sensor: HC-SR04
Material: Acrylic
Best For: Robot cars, obstacle avoidance, distance sensing and STEM projects
Note: HC-SR04 sensor not included
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
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Range: Adjustable (3 to 7 meters)
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Output: 3.3V Logic (High when motion detected)
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Features: Adjustable Time Delay & Sensitivity
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Ideal For: Automated lighting, security systems, and robotics.
High Sensitivity Vibration Sensor Module (SW-1801P) | Shock & Shake Switch
Detect even the slightest tap. Unlike standard vibration sensors that require a hard shake, the SW-1801P High Sensitivity module can detect light knocks, impacts, and vibrations. Perfect for anti-theft alarms and "Smart Wake-Up" devices.
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Sensor Type: SW-1801P (High Sensitivity Spring).
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Output: Digital (High/Low).
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Adjustable: Blue Potentiometer to set sensitivity trigger.
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Best For: Anti-Theft Alarms, Earthquake Detection, and Smart Toys.
INMP441 I2S MEMS Microphone Module
The INMP441 I2S MEMS Microphone Module is a compact digital microphone for ESP32, Arduino, IoT, voice recognition, sound detection and audio recording projects. It provides clear digital audio output through the I2S interface, making it ideal for smart devices, voice-controlled systems and embedded audio applications.
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
Teach your robot to see. This sensor emits infrared light and detects reflections to see if an object is in front of it. It is the essential component for building "Obstacle Avoiding Robots" and simple security alarms.
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Detection Range: 2cm - 30cm (Adjustable).
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Output: Digital Signal (LOW when obstacle detected).
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Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
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Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
The easiest way to drive 12V/24V loads. This breakout board allows your Arduino to control high-voltage devices like LED strips, DC motors, and solenoid valves using the IRF520 MOSFET. It features screw terminals for easy wiring—no soldering required!
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Max Load: 24V DC / < 5A.
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Control Voltage: 3.3V or 5V (PWM Compatible).
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Output: Pulse Width Modulation (Speed/Dimming control).
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Best For: LED Strips, Small DC Fans, and Solenoids.
IRLZ44N Logic Level MOSFET (N-Channel) | Arduino Compatible Transistor
Control high-power loads directly from your Arduino or ESP32. The IRLZ44N is a true logic-level MOSFET, meaning it fully turns on with 3.3 V or 5 V gate signals. Unlike the common IRFZ44N, it does not require a gate driver, making it ideal for simple and efficient microcontroller projects.
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Type: Logic-Level N-Channel MOSFET
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Maximum Voltage / Current: 55 V / 47 A
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Gate (Control) Voltage: 5 V (fully compatible with Arduino and ESP32)
- Best for: PWM LED dimming, DC motor speed control, solenoids, relays, and other high-current loads.
JSN-SR04T Waterproof Ultrasonic Sensor Module
The JSN-SR04T Waterproof Ultrasonic Sensor Module is ideal for distance measurement, water level monitoring, smart dustbin systems, obstacle detection and outdoor Arduino or ESP32 projects. It comes with a waterproof ultrasonic probe, making it suitable for projects exposed to moisture, tanks and outdoor environments.
L298N Dual H-Bridge Motor Driver Module
The muscle behind your robot. The L298N allows your Arduino to control two DC motors (Speed & Direction) or one Stepper Motor. It is the standard driver for all "Smart Car" chassis kits, capable of handling higher voltages than the small L293D chips.
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Drive Capability: 2 DC Motors or 1 Stepper Motor.
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Voltage: 5V - 35V DC.
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Current: 2A per channel (Max).
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Heatsink: Large aluminum heatsink for cooling.
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Best For: 2WD/4WD Robot Cars and High-Torque Motors.
LDR Photosensitive Sensor Module (4-Pin) | Light Detector
Make your project react to light. This sensor detects the brightness of the environment. Unlike the 3-pin version, this 4-Pin Module gives you both a Digital Output (to trigger a switch) and an Analog Output (to measure exact brightness). Perfect for automatic streetlights and solar trackers.
- Sensor Type: Light Dependent Resistor (Photoresistor).
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Outputs: Digital (D0) & Analog (A0).
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Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Automatic Lights, Sun Trackers, and Laser Tripwires.