I am developing electronic boards for Makers.
This extruder controller card is a temperature monitoring and PID temperature controller for 3D printers. If you have a desktop CNC machine you can easily convert your CNC to a 3D printer with this controller card. You can also handle your temperature related tasks of your 3D printer with this card without the need of a computer. You can set the extruder temperature or the heated bed temperature with on board trimpot. You can read digitally your setting temp and sensor values from the Seven Segment Display.
If you want to use your Desktop CNC Machine as a 3D Printer This controller board is for you.
Open Source Open Hardware and There is a great community behind it.
You can directly connect your heating element to the board. High Power MOSFET can handle your current requirements. Please note that this board has one channel PID temperature controller. You can use it for extruder or heated bed. If you need to control both you need to buy two of this boards.
Connection Diagram: Please see the attached image
After making proper connections by using the picture attached you can set the temperature by pressing the on board set temp button. Press and hold the button and adjust the temp setting trim-pot. You will see the seven-segment display change accordingly. Turning trim-pot in clock wise while pressing the button will increase the set temperature. Turning it the other way will decrease the set temperature. After you see your desired value on seven segment display just release the button. The controller will try to keep the temperature as close as possible to the set temp value.
Suitable Heating Element:
12V 40W Ceramic Cartridge Wire Heater
Suitable thermistor Sensor
There is on board solder jumper in order to select the suitable thermistor sensor.
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