
Spark Analyzer
£40Open hardware
Open-source USB-C PD analyzer and programmable supply
Build details for Spark Analyzer
Open-source USB-C PD analyzer and programmable power supply built on the ESP32-C3. Set any voltage from 3.3V to 21V with 20mV precision, monitor current draw in real-time via WiFi or BLE, and log power consumption over time. Full transparency — inspect the schematic, modify the firmware, or manufacture your own.
Set the exact voltage, watch the live current draw, and log it, instead of poking at a charger and hoping.
- See exactly what your USB-C charger and device are negotiating
- Set any voltage from 3.3V to 21V with 20mV precision
- Monitor current and power draw in real-time via WiFi or BLE
- Open-source firmware—customize everything
