Meanwhile, on the CNC side, another ESP32 acts as the receiving ... As for the transparent enclosure? It’s to make it easier to show it off to interested folk, apparently.

The Mostly Printed CNC (MPCNC) is an impressive project in ... Inside the 3D printed enclosure is a 4.3″ Nextion touchscreen, a Mega 2560 PRO microcontroller, a nRF24L01 2.4 GHz transceiver ...