We all know the e-ink persistent displays, as they’re cheap and plentiful enough to have become ubiquitous in applications ...

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...

ESP32s are surprisingly good AI lie detectors.

This version uses millis() as a software clock. Time resets whenever the Arduino loses power or restarts.

The Raspberry Pi Pico is a microcontroller development board powered by the custom RP2040 chip. With its dual-core ARM Cortex-M0+ processor, extensive GPIO pins, and built-in programmable I/O (PIO), ...

// initialize the library with the numbers of the interface pins ...