# Touch input

Touch input lets your board sense your touch and makes it possible to use other objects as simple input sensors.

![Pins on edge of board](/static/cp/learn/pins-tutorial/touch-input/touch-input-header.jpg)

## Experiments

There are several experiments to let you test out the concepts you learn in the touch input sections.

## Sections

```codecard
[{
  "name": "Touch sensing",
  "description": "Learn how the pins detect a touch input.",
  "url":"/learnsystem/pins-tutorial/touch-input/touch-sensing",
  "imageUrl":"/static/cp/learn/pins-tutorial/touch-input/touch-sensing-thumb.jpg"
}, {
  "name": "Touch sensor objects",
  "description": "Use pins and objects as touch sensors.",
  "url":"/learnsystem/pins-tutorial/touch-input/sensor-objects",
  "imageUrl":"/static/cp/learn/pins-tutorial/touch-input/touch-sensor-objects-thumb.jpg"
}, {
  "name": "Calibration & sensitivity",
  "description": "Learn how to calibrate and set the sensitivity of a touch sensor.",
  "url":"/learnsystem/pins-tutorial/touch-input/calibrate-sensitivity",
  "imageUrl":"/static/cp/learn/pins-tutorial/touch-input/calibrate-sensitivity-thumb.jpg"
}]
```
