Soldered Electronics has made ESP32-based e-paper displays for years, starting with the launch of the Inkplate 6 in 2019. The Inkplate 13SPECTRA is their ...
This library reads the channels of the MCP3302 and MCP3304 ADC convertors. The devices have 4 or 8 channels, 13 bit and communicates with SPI. The library supports both hardware SPI and software SPI.