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usb-tester

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Open source Rust firmware for the KOWSI KWS-X1 USB-C meter. Live power, Ah/Wh counting, a power graph and a ripple view, the charger's full USB PD offer (EPR included), fixed, PPS and AVS triggers up to 28/30 V, Quick Charge 2.0/3.0, cable e-marker reading and a 5 A test, and PD passthrough sniffing. Built on Embassy, no vendor firmware needed.

  • Updated Oct 15, 2026
  • Rust
FileDO

USB flash drive and SD card tester for Windows. Catches fake capacity by writing real data and reading it back, then checks speed, finds duplicate files, compares and copies folders, and wipes free space to make recovery harder. Windows GUI plus command line, free and open source.

  • Updated Oct 10, 2026
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