Making a precision programmable current sink by floating the long-forgotten anode pin of the TL431 voltage regulator.

LILYGO says development can be done with the Arduino IDE, PlatformIO, or the ESP-IDF framework. The PDF schematics, datasheets for the main components, firmware files (binaries only), and Arduino code ...

All resources for the board can be found on GitHub. This includes PDF schematics for the TinyBeast FPGA P and S module, sample firmware that showcases the board functionalities, and PC software for ...