ESP32 controllers include built-in Bluetooth connectivity, making them suitable for short-range smart device communication.
Bluetooth can connect with:
BLE advantages include:
For example, an ESP32 panel can collect temperature data from BLE sensors and display the information on the touchscreen.
In many smart home systems, the ESP32 control panel communicates with a gateway instead of directly controlling every device.
Example:
ESP32 Panel
↓ WiFi/MQTT
Smart Home Gateway
↓ Zigbee / Matter / Bluetooth
Smart Devices
The gateway manages different protocols, including:
This approach allows the ESP32 panel to control more devices from different brands.
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