That means instead of the embedded Linux system most of us know and love, it’s an ESP32-based development board with the same shape and 40 ... and SH1106-based OLED displays.
An undocumented set of low-level commands has been discovered in the ESP32 microchip, a widely used component in IoT devices.
Exposed PCBs and monochromatic OLED displays might be fine for a trip ... Enter the Open-SmartWatch from [pauls_3d_things]. This ESP32 powered watch packs a gorgeous circular 240×240 TFT display ...
ESP32, manufactured by a Chinese company called Espressif, is a microcontroller that enables Bluetooth and Wi-Fi connections in numerous smart devices, including smartphones, laptops, smart locks ...