The TTGO is a small ESP32 board with an ST7789V 1.14 in (29 mm) TFT color display, available from your favorite Shenzhen market supplier. This platform is perfect for all kinds of niche applications.

Well, if my kid self went forward in time and saw this amazing ESP-32 project that enhances a Hot Wheels track with a few nerdy extras, I don't think he'd ever be satisfied with w ...