Extruder Controller

I finished soldering the extruder controller, which controls the plastic extruder.

The plastic extruder does two things: it heats, and it pushes using a motor. First it heats; then, when the temperature is right, you feed plastic filament (3mm thick plastic rod) into it and a motor turns, forcing the filament down into the heater. This process is covered in the post on FDM.

The extruder controller is a board with an arduino built into it; it is the brains of the plastic extruder. It handles the signal from the thermistor, which is a temperature sensor built into the plastic extruder. Using the information from the sensor, it is able to regulate the temperature of the extruder very accurately.

extruder controller

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