Framework encourages the development of new modules, which is something [Spacehuhn] has taken on with an ESP32-S3 development board.

Seeed Studio’s reTerminal E1001 and E1002 are two ePaper displays featuring an ESP32-S3 WiFi and Bluetooth LE wireless ...

The ESP32-based LILYGO T-Wrist comes with qpaperOS, an open-source firmware for the T-wrist. With this integration, you can expect minimal updates (once per minute), ensuring long-term battery life.

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains undocumented commands that could be leveraged for attacks.