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bltouch: Recommend using a pullup on the sensor_pin

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor
2020-12-09 13:22:40 -05:00
parent f3c5be0f00
commit 2d6b44152a
2 changed files with 7 additions and 4 deletions
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5
docs/Config_Reference.md
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@@ -1552,8 +1552,9 @@ section for the details).
```
[bltouch]
sensor_pin:
# Pin connected to the BLTouch sensor pin. This parameter must be
# provided.
# Pin connected to the BLTouch sensor pin. Most BLTouch devices
# require a pullup on the sensor pin (prefix the pin name with "^").
# This parameter must be provided.
control_pin:
# Pin connected to the BLTouch control pin. This parameter must be
# provided.