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The Externally attachableIR LED that helps the night vision function
The board will immediately provide power to all four output ports simultaneously
controlling flow direction and speed
Ultrasonic Distance Sensor (HC-SR04) - 1 piece
Analog pH Sensor Electrode with Amplifier Circuit 4-Channel 5V Relay Board The Externally attachableIR LED thatAnalog pH Sensor Electrode with Amplifier Circuit Accurately measure the acidity or alkalinity of any liquid solution with this Analog pH Sensor Electrode paired with a dedicated amplifier circuit board. Designed for seamless integration with Arduino, ESP32, Raspberry Pi, and other microcontrollers, this module delivers reliable pH readings from 0 to 14 with a simple analog voltage output. Whether you're building a hydroponics controller, water
