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USB power supply active load tester

USB power supply active load tester

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.

Project info at Sasa Karanovic blog.