Parts: Sensors & Modules
Inputs and outputs you wire to your boards — sensors, displays, motors, communication and more.
DHT11 Temp & Humidity
Cheap digital sensor for indoor climate.
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DHT22 / AM2302
Higher-precision sibling of the DHT11.
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DS18B20 Temperature Probe
Waterproof 1-Wire digital thermometer.
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HC-SR04 Ultrasonic
Measures distance with sound pulses.
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PIR Motion Sensor
Detects warm bodies moving in front of it.
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LDR / Photoresistor
Resistance changes with light intensity.
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MQ-2 Gas Sensor
Detects LPG, smoke, methane and similar gases.
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Soil Moisture Sensor
Reads how wet the soil around a plant is.
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MPU-6050 IMU
6-axis accelerometer + gyroscope.
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BMP280 Pressure Sensor
Reads barometric pressure and temperature.
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Sound / Microphone Sensor
Picks up acoustic signals from the environment.
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Raindrop Sensor
Detects water hitting an exposed PCB.
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IR Receiver (TSOP/VS1838)
Decodes signals from remote controls.
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Hall Effect Sensor
Senses magnetic fields and rotations.
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Flame Sensor
Detects infrared light from open flames.
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MAX30102 Heart-Rate Sensor
Optical pulse and oxygen sensor.
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SG90 Micro Servo
Small 180° servo motor for hobby robotics.
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28BYJ-48 Stepper + ULN2003
Geared stepper motor with driver board.
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Relay Module
Lets a 3.3/5 V signal switch mains-powered devices.
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0.96" I²C OLED Display
Crisp 128×64 monochrome screen.
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16×2 LCD with I²C
Two-line text display with backpack.
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Active / Passive Buzzer
Generates tones and alerts.
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RGB LED / WS2812 NeoPixel
Addressable color LEDs for status and effects.
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L298N Motor Driver
Drives two DC motors forward/backward with PWM.
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HC-05 Bluetooth
Classic Bluetooth serial module.
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RC522 RFID Reader
13.56 MHz RFID/NFC tag reader.
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nRF24L01 Wireless
2.4 GHz radio for low-power links.
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NEO-6M GPS
UART GPS receiver with antenna.
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