Enter the ExtraCore library for Arduino, a software library that turns two or more Arduinos into a multi-core microcontroller with more pins than you’ll ever need. The ExtraCore library comes ...

Normally, you wouldn’t be able to do that without extra parts, but on the ESP32, [BastelBaus] has found a nice hack — just connect your devices to different pins and slightly abuse the ESP32 ...

“The overlap of SparkFun ... two pins and a total of 40 IO pins. Both come in lockable versions to protect sensitive code, and also have CAN, CAN FD, I 2 S, S/PDIF and SPI interfaces. As well as ...