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37 lines
797 B
Markdown
37 lines
797 B
Markdown
---
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title: "Touch"
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aliases:
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- firmwareapi/pycom/machine/touch.html
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- firmwareapi/pycom/machine/touch.md
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- chapter/firmwareapi/pycom/machine/touch
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---
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The Touch module allows for certain GPIO pins (`P2`,`P3`,`P4`,`P6`,`P8`,`P9`,`P10`,`P19`,`P20`) to accept capacitive touch inputs.
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A touch input is similar to a button, except for the lack of mechanical contact. The capacitive nature of touching a pad or pin will trigger a touch event.
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## Constructor
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### class machine.touch(pin)
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Create a touch object on pin.
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Example:
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```python
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touch = Touch('P9')
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touch.read()
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```
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## Methods
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### touch.read()
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Reads the value of the touch pin
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### touch.config([sensitivity])
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Set the threshold of the touchpad interrupt. Currently not used
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### touch.init_value()
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Currently not implemented
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