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8-Channel Optocoupler Relay Module - DC5V PLC Control Board with Indicator Light
$2.20
2-Channel Optocoupler Isolation Relay Module (DC5V) PLC Industrial Control Board with NO/NC Dual-Channel Switch - Bulk Supply
$0.60
KY-019 5V Single-Channel Relay Module - High-Level Trigger Control Board for MCU & Industrial Automation
$0.30
KF-301 5V Single-Channel Relay Module - High-Level Trigger Control Board with LED Indicator for MCU/PLC/Smart Home
$0.35
Plant Watering Alarm Soil Moisture Sensor - DIY Smart Garden Alert Module with Adjustable Threshold
$1.74
Wholesale TCA9548A 1to8 I2C 8-channel IIC multiplex expansion board module development board
$0.43
Wholesale Servo Tester CCPM Multi Tester 3CH für Servos und ECSs Drehzahl- und Stromregler
$0.76
Wholesale MCP2515 CAN bus module, TJA1050 receiver, SPI protocol
$0.74
Wholesale MAX9814 Microphone Amplifier Module with Auto Gain Control (AGC) - Low Noise Sound Sensor Board
$1.37
LJ12A3-4-Z/BX Inductive Proximity Sensor Switch - M12 4mm NPN NO Metal Detector
$1.04
SW-420 Vibration Sensor Module - 3.3V-5V Digital Output, Normally Closed Shock Detector for Alarm Systems
$0.25
DS1302 clock module DS1302 real-time clock module
$0.28
LM2596 DC-DC Adjustable Step-Down Power Module | 3A High Current Voltage Regulator | 4-40V Wide Input | For DIY & Industrial Use | Wholesale
$0.40
MAX6675 K-Type Thermocouple Temperature Sensor Module Kit | 0-1024°C High Temp Probe | SPI Digital Output | For 3D Printer
$2.60
KY-040 Rotary Encoder Module | Incremental Rotary Switch | With Push Button | 5V Digital Sensor | For Arduino/STM32/3D Printer Control Panel | Industrial Knob Potentiometer
$0.39
KY-038 Sound Sensor Module | Mic Board w/ LM393 | Analog & Digital Output | For Arduino/Raspberry Pi
$0.28
KY-035 Analog Hall Magnetic Sensor Module | Linear Output for Arduino/STM32 | Magnetic Field Detection
$0.17
TCRT5000 Infrared Reflective Sensor Module - Analog & Digital Output IR Tracking & Obstacle Avoidance Sensor for Arduino & Smart Cars
$0.28
KY-033 TCRT5000 Infrared Line Tracking Sensor Module - IR Reflective Optical Switch for Arduino Smart Car Robot (3-Pin Digital Output)
$0.28
KY-022 Infrared Receiver Module – Universal IR Signal Decoder for Arduino & Smart DIY Projects Keywords
$0.16
KY-018 Photoresistor Sensor Module for Arduino, ESP32, and STM32 – Light Intensity Detection & Smart Control
$0.13
KY-016 RGB LED Module for Arduino, ESP32, and STM32 – Full-Color Lighting Control
$0.16
DHT11 Digital Temperature & Humidity Sensor Module – Single-Wire for Arduino, ESP32, STM32
$0.43
KY-005 Infrared Transmitter Sensor Module, suitable for infrared remote control systems, intelligent car obstacle avoidance, robot communication, and other applications
$0.13
KY-004 Tactile Push Button Switch Module for Arduino
$0.11
Infrared Obstacle Avoidance Sensor Module with Adjustable Sensitivity for Smart Car & Robot DIY Projects
$0.22
Wholesale Joystick Shield with Buttons & Wireless Interface for Robot RC DIY Projects
$1.03
DS3231 High Precision Real-Time Clock (RTC) Module - Time Management Solution for Arduino/Raspberry Pi
$1.16
DS18B20 Digital Temperature Sensor – TO-92 Package, 1-Wire Interface, -55°C to +125°C Range, for Arduino/ESP32/Raspberry Pi Projects
$0.13
MB-102 Solderless Breadboard – 830 Tie Points, Dual Power Rails, Self-Adhesive Backing for Arduino & DIY Electronics Prototyping
$0.47
Soil Moisture Sensor Module – Analog & Digital Output, Adjustable Sensitivity Probe for Arduino Smart Irrigation & Plant Monitoring Systems
$0.33
GY-BME280 3-in-1 Sensor Module – High Precision Temp, Humidity & Pressure I2C/SPI Board for Arduino ESP32 Weather Station
$2.34
GY-271 HMC5883L 3-Axis Magnetometer Module – I2C Digital Compass for Arduino ESP32 Navigation Projects
$1.04
GY-906 MLX90614ESF Non-Contact Infrared Temperature Sensor Module, High-Precision I2C Interface for Arduino/STM32 Development
$5.20
BMP180 GY-68 Digital Barometric Pressure Altitude Sensor Module I2C Interface for Arduino
$0.23
GY-61 ADXL335 3-Axis Accelerometer Module, Analog Output for Arduino/STM32
$3.54
GY-521 MPU-6050 6-Axis Gyroscope & Accelerometer Module, I2C Interface for Arduino/STM32
$1.72
GY-302 BH1750 Digital Light Intensity Sensor Module, I2C Interface for Arduino/STM32
$0.76
Purchase the GY-21 HTU21D high-precision temperature and humidity sensor module in bulk, suitable for home automation environment monitoring.
$1.02
Wholesale DRV8825 stepper motor driver module, with heat sink, suitable for 3D printers and CNC engraving machines
$0.83
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