![USB power supply active load tester USB power supply active load tester](https://www.electronics-lab.com/wp-content/uploads/2015/09/C-App-Sample-Plot-1-5V-1A-Power-Adapter-e1441963172646.png)
Sasa Karanovic has designed and built a DIY USB power Supply active load tester, that is available at GitHub:
USB Power supply Active Load Tester or short PAL Tester is unit designed for testing the quality of the power supplies.
Idea was to create low-cost, precise device for simultaneous measurement of Voltage and Current drawn from the device under test.
USB power supply active load tester – [Link]
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