Open source Rust firmware for the KWS-X1 and UT01C USB-C meters. Live power, Ah/Wh, graphs, ripple, USB PD (EPR included), fixed/PPS/AVS triggers up to 28/30 V, QC 2.0/3.0, AFC, SCP/FCP, cable e-markers, a 5 A test, PD sniffing and calibration. No vendor firmware needed.