This is demonstrated once again, this time on the ESP32 by [aquaticus] with a library that generates PAL/SECAM and NTSC composite signals. As a finishing touch on the hardware side, [aqaticus ...
These were just some of the reasons he decided to port Grbl to the ESP32 board. Price wise the Arduino and ESP32 are around the same, but the ESP does have the advantage of being much more ...