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25 lines
1.1 KiB
Markdown
25 lines
1.1 KiB
Markdown
# Switch Example
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## Build and Flash firmware
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Follow the ESP RainMaker Documentation [Get Started](https://rainmaker.espressif.com/docs/get-started.html) section to build and flash this firmware. Just note the path of this example.
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## What to expect in this example?
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- This example uses the BOOT button and RGB LED on the ESP32-S2-Saola-1/ESP32-C3-DevKitC board to demonstrate a switch.
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- The LED state (green color) indicates the state of the switch.
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- Pressing the BOOT button will toggle the state of the switch and hence the LED. This will also reflect on the phone app.
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- Toggling the button on the phone app should toggle the LED on your board, and also print messages like these on the ESP32-S2 monitor:
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```
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I (16073) app_main: Received value = true for Switch - power
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```
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### LED not working?
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The ESP32-S2-Saola-1 board has the RGB LED connected to GPIO 18. However, a few earlier boards may have it on GPIO 17. Please use `CONFIG_WS2812_LED_GPIO` to set the appropriate value.
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### Reset to Factory
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Press and hold the BOOT button for more than 3 seconds to reset the board to factory defaults. You will have to provision the board again to use it.
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