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Ron Hale-Evans 2016-07-28 10:56:37 -07:00
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docs/reference/radio/write-value-to-serial.md
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# Write Value To Serial # Write Value To Serial
Writes the full data received data via ``radio`` to serial in JSON format. Writes the data received by ``radio`` to serial in JSON format.
**Note** - This method only works for [send number](/reference/radio/send-number) and [send value](/reference/radio/send-value). It does not work for [send string](/reference/radio/send-string) (although a string can be sent with [send value](/reference/radio/send-value)).
```sig ```sig
radio.writeValueToSerial(); radio.writeValueToSerial();
``` ```
## Data received format ### ~hint
The format for received data printed to serial is as follows
- [send number](/reference/radio/send-number) - ```{v:ValueSent,t:MicrobitTimeAlive,s:Unused}``` This method only works for [send number](/reference/radio/send-number)
- [send value](/reference/radio/send-number) - ```{v:Value,t:MicrobitTimeAlive,s:Unused,n:"Name"}``` and [send value](/reference/radio/send-value). It does not work for
- [send string](/reference/radio/send-string) - ```{}``` (currently unavailable) [send string](/reference/radio/send-string), although you can send a
string as part of [send value](/reference/radio/send-value).
### ~
### Data received format
The format for received data printed to serial is as follows:
- [send number](/reference/radio/send-number): ```{v:ValueSent,t:MicrobitTimeAlive,s:Unused}```
- [send value](/reference/radio/send-value): ```{v:ValueSent,t:MicrobitTimeAlive,s:Unused,n:"Name"}```
### Simulator ### Simulator
@ -20,7 +28,9 @@ This function only works on the micro:bit, not in browsers.
### Examples ### Examples
When ```radio``` data is received (after pressing A button on 2nd micro:bit), output temperature data to serial. When ```radio``` data is received (after pressing the ``A`` button on
the second micro:bit), this program sends temperature data to
serial.
```blocks ```blocks
input.onButtonPressed(Button.A, () => { input.onButtonPressed(Button.A, () => {
@ -30,9 +40,11 @@ radio.onDataReceived(() => {
radio.writeValueToSerial(); radio.writeValueToSerial();
}); });
``` ```
Example output to serial when A button pressed: Sample output to serial when ``A`` button pressed:
```{v:27,t:323,s:0}``` ```{v:27,t:323,s:0}```
### See also ### See also
[send number](/reference/radio/send-number), [send value](/reference/radio/send-number), [on data received](/reference/radio/on-data-received) [send number](/reference/radio/send-number),
[send value](/reference/radio/send-value),
[on data received](/reference/radio/on-data-received)