And you’ll absolutely get an LED blinking faster in ESP32 BASIC than you will on an ... How cool is that? The following code enables GPIO 4 as output, turns it on and then off again, and then ...

Beyond that, there’s just an ESP32 an some clever code developed with the help of the MD_Parola library written for MAX7219 and MAX7221 LED matrix controllers. [Alejandro] has published the code ...