USB Cable Tester

davedarko wanted an easy way to check a USB cable, so he created this project on

USB cable tester


Test your mini, micro and A-A cables with this little device!


A little ATtiny45, some LEDs and transistors – battery powered. It scans through the cable with some blinking LEDs, then goes to sleep.


The design files and source code are shared on GitHub:



And the board is a shared project on OSH Park:

USB cable tester


Order from OSH Park

USB Cable Tester

4 thoughts on “USB Cable Tester

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s