ESP32-P4 board for driving RAW Eink displays. epdInky is powered by ESP32-P4 and companion ESP32-C6 for WiFi. This board is open source and you can find the schematics and detailed information in GitHub:
https://github.com/ddB0515/epdInky/blob/main/README.md

Other peripherals:

TPS651851RSLR - PMIC for e-Ink (I2C addr: 0x68)

KXTJ3-1057 - 3-axis accelerometar (I2C addr: 0x0F)

RV-3028-C7 - RTC (I2C addr: 0x52)

STC3115AIQT - Fuel guage (I2C addr: 0x70)

TCA6408ARGTR - GPIO Extender (I2C addr: 0x21)

TP4056 Battery charger (500mA)

Software side:

E-Ink handling is done by FastEPD library and support 8bit mode and 16bit mode