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This is my all in one DIY Arduino project. This device has multiple modes and it can track analog readings from sensors or components, measure resistance and drop voltage of the diode. It has built in continuity test, temperature sensor. It can show voltage of the battery and also produce signals using PWM.

In this project I used Arduino nano, 128x32 led display, couple of resistors and push buttons, temperature sensor and a buzzer for continuity test.

It uses internal 1.1V voltage reference so reading is much more precise.

It was fun project, and it can be improved more.

I hope you will like my video and sorry for my bad english.