Analog pH Sensor Electrode with Amplifier Circuit Witty Fox 3.7V 1000mAh Li-Ion Battery Versatile Input Device: Replaces complex

Versatile Input Device: Replaces complex button arrays with a single intuitive controller for robots

Connect Tubing: Attach silicone or PVC tubing (4 mm inner diameter) to both the inlet and outlet barbs of the pump

This pack of 5 from The Engineer Store

This capacity assumes proper weight distribution and use of appropriately sized motors rated for 650-class frames

Analog pH Sensor Electrode with Amplifier Circuit Witty Fox 3.7V 1000mAh Li-Ion Battery Versatile Input Device: Replaces complexAnalog 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