Details about PH Electrode Probe BNC + Liquid PH0-14 Value Detect Sensor Module for Arduino
US $28.89 New in Business & Industrial, Electrical & Test Equipment, Electrical Equipment & Tools. To make it work you will write some code. Connect to analog pin of arduino to read a voltage index. Offset and pH level alert pots onboard are nice idea but didn't work out to be very useful for me.
For Arduino diy Nano V3.0 MINI USB ATmega328P CH340G 5V 16M Micro-controller board
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