T he ESP32 is an incredibly versatile microcontroller, and so long as you have the wires and the hardware to connect it to, ...

Zigbee is a protocol that has been around for quite a long time, and you can purchase many cheap smart sensors to incorporate ...

The PCB plays host to an ESP32 development board and an I/O expander that connects up to the array of LEDs, switches, and buttons on the front panel.

Let’s say you want to build a Nixie clock. You could go out and find some tubes, source a good power supply design, start ...