Gravity: Analog pH Sensor / Meter Pro Kit for Arduino Buttons 5mm rectangle and snap it

5mm rectangle and snap it in

then you will likely need to change the analogue gain by writing to location 1

0 for the micro:bit comes in

Simple UART & USB communication protocol

With relays

Gravity: Analog pH Sensor / Meter Pro Kit for Arduino Buttons 5mm rectangle and snap itGravity: Analog pH Sensor Meter Pro Kit For Arduino is a professional Arduino pH Sensor Meter Kit with an industrial electrode . The industrial ph sensor for Arduino has a built in simple, convenient, practical connection and long life (up to 1 year), which makes it very suitable for long term online monitoring. It has an LED that works as the Power Indicator, a BNC connector, and a PH2. 0 sensor interface. To use it, just connect the pH sensor with