mirror of
https://github.com/esphome/esphome-docs.git
synced 2024-12-30 18:09:26 +01:00
47 lines
1.4 KiB
ReStructuredText
47 lines
1.4 KiB
ReStructuredText
UART Switch
|
|
===========
|
|
|
|
.. seo::
|
|
:description: Instructions for setting up UART switches in ESPHome that can output arbitrary UART sequences when activated.
|
|
:image: uart.svg
|
|
|
|
The ``uart`` switch platform allows you to send a pre-defined sequence of bytes on a
|
|
:doc:`UART bus </components/uart>` when triggered.
|
|
|
|
.. code-block:: yaml
|
|
|
|
# Example configuration entry
|
|
uart:
|
|
baud_rate: 9600
|
|
tx_pin: D0
|
|
|
|
switch:
|
|
- platform: uart
|
|
name: "UART String Output"
|
|
data: 'DataToSend'
|
|
- platform: uart
|
|
name: "UART Bytes Output"
|
|
data: [0xDE, 0xAD, 0xBE, 0xEF]
|
|
- platform: uart
|
|
name: "UART Recurring Output"
|
|
data: [0xDE, 0xAD, 0xBE, 0xEF]
|
|
send_every: 1s
|
|
|
|
Configuration variables:
|
|
------------------------
|
|
|
|
- **data** (**Required**, string or list of bytes): The data to send via UART. Either an ASCII string
|
|
or a list of bytes.
|
|
- **name** (**Required**, string): The name for the switch.
|
|
- **uart_id** (*Optional*, :ref:`config-id`): Manually specify the ID of the UART hub.
|
|
- **id** (*Optional*, :ref:`config-id`): Manually specify the ID used for code generation.
|
|
- **send_every** (*Optional*, :ref:`config-time`): Sends recurring data instead of sending once.
|
|
- All other options from :ref:`Switch <config-switch>`.
|
|
|
|
See Also
|
|
--------
|
|
|
|
- :doc:`/components/uart`
|
|
- :apiref:`uart/switch/uart_switch.h`
|
|
- :ghedit:`Edit`
|