Comments (1)
The Raspberry Pi has no analog inputs, so you have to use something like a RC circuit and measure its time constant to determine the temperature at the thermistor.
The schematic for my approach is documented in the code here, and then I instantiate it here.
The hotend and fan are straightforward. Just connect a gpio on the Pi to the base of a mosfet, and have the mosfet drive the fan/hotend. A circuit like this would work, for example. For the fan, just replace the resistor in that schematic with your fan.
For most 3d printers, the extruder is just like any other stepper motor. In my configuration, I'm using a delta bot, and the extruder is just the fourth axis.
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Related Issues (20)
- Add a way to test IO in the automated testsuite HOT 1
- [gparse] file descriptors aren't closed upon Com destruction
- Allow specifying a fan index in M106 (and M107)
- Implement M119: Get Endstop Status HOT 1
- Allow for differently shaped beds when clamping coordinates?
- Warn whenever two IoPins refer to the same physical pin
- Make an IoDrivers iterator to replace tupleCallOnAll & tupleCallOnIndex calls HOT 1
- IoPin should have a `pwmWrite()` method
- AxisStepper refactoring HOT 2
- Add support for returning comments in gcode responses
- AxisSteppers should not have to be initialized with their index
- Consider per-axis acceleration scheme
- IoDriver for L298N ? HOT 1
- raspberry pi 2 crashe after runing printipi HOT 12
- Cannot Connect To Printer Ussing octoPrint HOT 1
- disable termistore reading HOT 1
- Cannot run printipi in Raspberry pi 3 HOT 2
- I succeeded to be run printipi on rpi3,But I have got other problem. HOT 4
- CoreXY Supporting?
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