How to diy a Digital voltage and current meter tester -Simultaneous detection of voltage and current

Описание: In this video I will show you how to DIY a DC voltage and current meter tester,It can simultaneously detect the voltage and current of the load and display it.
Compared with a multimeter, it is more convenient.
In the video, I have the circuit for everyone.

Materials and links：
Voltage Current Meter: https://bit.ly/3acjCue
plastic box
9V battery
9V battery connector
switch
Banana socket
Banana plug
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