ProtoCentral ESP32 Development Boards
The ESP32 development boards from ProtoCentral, complete with pinouts, technical specifications, datasheets and more.
About ProtoCentral
ProtoCentral Electronics designs open-source biomedical hardware. The ESP32-based HealthyPi 4 is a Raspberry-Pi-HAT vital-signs monitor with ECG, PPG/SpO2, respiration and temperature front-ends.

