ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.
Master the Round display on ESP32 and GC9A01 driver with the TFT_eSPI library
Zephyr out of tree driver for waveshare GC9A01A 240x240 1.28 inch TFT circular display.
Mastering DALL-E on the ESP32 with Round screens (GC9A01)
An analog-styled IoT watch display with ESP32 and GC9A01A TFT LCD