Open source Rust firmware for the KOWSI KWS-X1 USB-C meter. Live power, Ah/Wh counting, power graph, 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, Huawei SCP and FCP, cable e-marker reading, a 5 A test, PD sniffing and calibration. No vendor firmware needed.
rust fcp scp no-std power-meter custom-firmware pps usb-pd embassy usb-c embedded-rust usb-meter usb-tester fusb302 hc32f460 usb-power-delivery kowsi kws-x1 quick-charge pd-trigger
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Updated
Oct 18, 2026 - Rust