pxt-calliope/docs/reference/pins/analog-read-pin.md
2016-04-13 08:27:45 -07:00

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# Analog Read Pin
Read the specified [pin](/device/pins) (P0, P1, P2) as analog.
```sig
pins.analogReadPin(AnalogPin.P0)
```
### Parameters
* name - the pin name (`P0`, `P1`, or `P2`)
### Returns
* [Number](/reference/types/number) - a number between 0 and 1023 (included)
The following code reads `P1` and charts it on the screen:
```blocks
basic.forever(() => {
let value = pins.analogReadPin(AnalogPin.P1)
led.plotBarGraph(value, 1023)
});
```
### See also
[micro:bit pins](/device/pins), [on pin pressed](/reference/input/on-pin-pressed), [analog write pin](/reference/pins/analog-write-pin), [digital read pin](/reference/pins/digital-read-pin), [digital write pin](/reference/pins/digital-write-pin)