filament dry box
thingiverse
filament drybox you need a 18 Lt. plastic box with cap 50w 12v heater element 2x N.C thermostat 50 and 65 grade centigreade for pla and petg (ksd9700) switch selector 70mm fan 12v 12v 10a fuse and fuse holder electronics relay 12v (5 pin) 3x led different color 1x cap endstop Psu 12v 5A N.c Thermostats power the relay coil ..when in temperature them open and change the relay contact to power off the heater element. There are also three led to understand the state of the heater element and to advise you if the box cap is open.
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