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| firmware:klipper:bltouch-with-raspberry-pi [2022/03/16 20:03] – [good choice for sensorpins] vidschofelix | firmware:klipper:bltouch-with-raspberry-pi [2022/03/16 20:06] (current) – [Why?] vidschofelix | ||
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| ====== HowTo Run BLTouch connected to RPi microcontroller ====== | ====== HowTo Run BLTouch connected to RPi microcontroller ====== | ||
| ==== Why? ==== | ==== Why? ==== | ||
| - | * some printer board dont support the control signal for the bltouch, or need to remove some components. In this case you have to fiddle a little | + | * some printer board dont support the control signal for the bltouch, or need to remove some components. In this case you have to fiddle a little but it's possible, so why not? |
| ==== Needed ==== | ==== Needed ==== | ||
| Line 11: | Line 11: | ||
| ==== Attaching the BLTouch ==== | ==== Attaching the BLTouch ==== | ||
| - | * remove the red pin from the triple-connection cable and put it into a single dupont case | + | * remove the red pin from the triple-connection cable and put it into a single dupont case (included in original BLTouch packaging) |
| * connect the pins to the [[https:// | * connect the pins to the [[https:// | ||
| - | * white -> GPIO | + | * white -> GPIO0 |
| * black -> GND next to GPI0 | * black -> GND next to GPI0 | ||
| * yellow -> GPIO27 | * yellow -> GPIO27 | ||
| Line 19: | Line 19: | ||
| * red -> 3.3V | * red -> 3.3V | ||
| * //Todo: Add a picture of the wires// | * //Todo: Add a picture of the wires// | ||
| - | * you can choose whatever pins you like, but it's easier to follow if you choose the same | + | * you can choose whatever pins you like for control_pin, but it's easier to follow if you choose the same |
| ==== printer.cfg adjustment ==== | ==== printer.cfg adjustment ==== | ||
| Line 46: | Line 46: | ||
| ==== Testing the Probe ==== | ==== Testing the Probe ==== | ||
| * follow the [[https:// | * follow the [[https:// | ||
| - | * also make sure, that the bltouch works after firmware restart, klipper restart and restart of the raspberry. If not check your scripts! | ||
| - | |||
| ==== Wrapping it up ==== | ==== Wrapping it up ==== | ||