Arduino choose a very painful abstraction. In my case I ditched the serial port and use port D as a 8-bit port. I was able to use my ATMega8 to emulate an ISA bus cycle to write to an ...

What do you get when you combine an ESP32, a 16-bit DAC, an antique VFD, and an IDE CD-ROM drive? Not much, unless you put in the work, which [Akasaka Ryuunosuke] did to create ESPer-CDP, a modern ...