At the fundamental level, the ESP32 is the same as Arduino and RPi Pico boards: it’s a microcontroller that’s useful for any DIY project involving heavy circuitry, robotics, or automation.

These days, there’s plenty of options if you want to get a GPS tracker for your vehicle. Unfortunately, they come with the sort of baggage that’s becoming increasingly common with consumer ...

Using the ESP32’s I2S peripheral in parallel mode makes it possible to shift data out in the correct format to drive the LCD without bit-banging IO pins and using up precious CPU time.