voltage level - arduino pro mini analog pins read different values - Arduino Stack Exchange
GY 471 MAX471 DC 12V 3A Range Current Voltage Sensor Module Professional MAX471 Module Analog Input for Arduino|Instrument Parts & Accessories| - AliExpress
Noob here: Mosfet question and feasibilty - Project Guidance - Arduino Forum
Fun with Arduino 12 Analog Input, analogRead(), Change Range, map() – Fun with Arduino