nodemcu-firmware/docs/modules/tm1829.md

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# TM1829 Module
| Since | Origin / Contributor | Maintainer | Source |
| :----- | :-------------------- | :---------- | :------ |
| 2016-05-15 | [Sebastian Haas](https://github.com/sebi2k1) | [Sebastian Haas](https://github.com/sebi2k1) | [tm1829.c](../../app/modules/tm1829.c)|
tm1829 is a library to handle led strips using Titan Micro tm1829
led controller.
The library uses any GPIO to bitstream the led control commands.
!!! caution
This module has an _optional_ dependency to the [pixbuf module](pixbuf.md) i.e. it can work without. However, if you compile the firmware without pixbuf the respective features will be missing from this module.
## tm1829.write()
Send data to a led strip using native chip format.
#### Syntax
`tm1829.write(data)`
#### Parameters
- `data` payload to be sent to one or more TM1829 leds. It is either
a 3-channel [pixbuf](pixbuf) (e.g., `pixbuf.TYPE_RGB`) or a string of
raw byte values to be sent.
#### Returns
`nil`
#### Example
```lua
tm1829.write(5, string.char(255,0,0,255,0,0)) -- turn the two first RGB leds to blue using GPIO 5
```