Inside the SerialChiller is an ESP32, a MAX3232 line driver ... [Lasse] is actually implementing a complete web-based interface directly on the microcontroller. In the video after the break ...
The resulting BeePrint web interface supports all the usual functions ... All good stuff. [Renzo] used an ESP32-cam, which is a low-cost 2 MP unit from our friends at Olimex, but we suspect ...