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README.md

Arduino-ESP32 Zigbee On/Off Light Example

This example shows how to configure the Zigbee end device and use it as a Home Automation (HA) on/off light.

Supported Targets

Currently, this example supports the following targets.

Supported Targets ESP32-C6 ESP32-H2

Hardware Required

  • One development board (ESP32-H2 or ESP32-C6) acting as Zigbee coordinator (loaded with Zigbee_On_Off_switch example)
  • A USB cable for power supply and programming
  • Choose another board (ESP32-H2 or ESP32-C6) as Zigbee end device and upload the Zigbee_On_Off_Light example

Configure the Project

Set the LED GPIO by changing the LED_PIN definition. By default, the LED_PIN is RGB_BUILTIN. By default, the neoPixelWrite function is used to control the LED. You can change it to digitalWrite to control a simple LED.

Using Arduino IDE

To get more information about the Espressif boards see Espressif Development Kits.

  • Before Compile/Verify, select the correct board: Tools -> Board.
  • Select the End device Zigbee mode: Tools -> Zigbee mode: Zigbee ED (end device)
  • Select Partition Scheme for Zigbee: Tools -> Partition Scheme: Zigbee 4MB with spiffs
  • Select the COM port: Tools -> Port: xxx where the xxx is the detected COM port.

Troubleshooting

If the End device flashed with this example is not connecting to the coordinator, erase the flash before flashing it to the board. It is recommended to do this if you did changes to the coordinator. You can do the following:

  • In the Arduino IDE go to the Tools menu and set Erase All Flash Before Sketch Upload to Enabled
  • In the sketch uncomment function esp_zb_nvram_erase_at_start(true); located in esp_zb_task function.

By default, the coordinator network is open for 180s after rebooting or flashing new firmware. After that, the network is closed for adding new devices. You can change it by editing esp_zb_bdb_open_network(180); in esp_zb_app_signal_handler function.

Important: Make sure you are using a good quality USB cable and that you have a reliable power source

  • LED not blinking: Check the wiring connection and the IO selection.
  • Programming Fail: If the programming/flash procedure fails, try reducing the serial connection speed.
  • COM port not detected: Check the USB cable and the USB to Serial driver installation.

If the error persists, you can ask for help at the official ESP32 forum or see Contribute.

Contribute

To know how to contribute to this project, see How to contribute.

If you have any feedback or issue to report on this example/library, please open an issue or fix it by creating a new PR. Contributions are more than welcome!

Before creating a new issue, be sure to try Troubleshooting and check if the same issue was already created by someone else.

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