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USB Power Tester based on ATtiny45/85

Simple USB Power Tester based on ATtiny45/85 and INA219. You can switch between different screens by pressing the SET button.

Project Video: https://youtu.be/QKx8Vn_IfjU

Project at EasyEDA: https://easyeda.com/wagiminator/attiny85-usb-tester

Parameter	Value
Voltage	3V - 12V
Current	max 5A
Precision	4mV / 1mA