I have shown how to make an ESP32 Alexa home automation system with Echo DOT, manual switches, relay module, and ESP32. I have used Amazon Alexa App to control the home appliances with voice commands ...

Arduino TM16xx library for LED & KEY and LED Matrix modules based on TM1638, TM1637, TM1640 and similar chips. Simply use print() on 7-segment and use Adafruit GFX on matrix.

The latest entry into the pantheon of unusual timepieces is this ESP32-powered desk clock from [Alejandro Wurts] that features a folding LED matrix display. The clock uses eight individual 8 x 8 ...

The LED display is dead simple since they’re using a 32×16 bi-color module from Sure Electronics. If you don’t want to design and build your own multiplexing display this is a somewhat ...