Scheme, firmware (ESP8266, ESP-12F), box photos of DIY drybox for plastic for a 3d-printers
Device (see othen photos to understand what is inside a dryer):
WEB control of dryer:
Drying PET filament from bottles:
boomsya/filament-dryer
Scheme, firmware (ESP8266, ESP-12F), box photos of DIY drybox for plastic for a 3d-printers
C++Unlicense