Template: ESP32 e-Paper BT-Example
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Bluetooth Demo
Download example
- Go to the Loader_esp32bt directory, double click the Loader_esp32bt.ino file to open the example.
- Choose Tools -> Boards -> ESP32 Dev Module and select the correct Port according to Device Manager: Tools -> Port.
- Click the Upload icon to build the project and upload it to the ESP32 driver board.
- Install the APP to the Android board and open it:
- APP has five buttons on the main page:
- BLUETOOTH CONNECTION: This button is used to connect the ESP32 device via Bluetooth.
- SELECT DISPLAY TYPE: This button is used to select the type of display according to what you buy.
- LOAD IMAGE FILE: Click it and choose a picture to open. It is only available after choosing the display type.
- SELECT IMAGE FILTER: This button is used to choose the image process method.
- UPLOAD IMAGE: Upload the processed image to the ESP32 driver board and update to e-Paper display.
- BLUETOOTH CONNECTION: This button is used to connect the ESP32 device via Bluetooth.
- Please first open the Bluetooth function of your phone. Click the BLUETOOTH CONNECTION button -> Click the SCAN icon on the top-right to scan the Bluetooth device.
- Find the ESP32 device and connect. If your phone is the first time to connect this device, it requires pairing, complete the pairing process according to the prompt. (Note: The APP cannot work with pairing.)
- Click "SELECT DISPLAY TYPE" to choose the display type.
- Click "LOAD IMAGE FILE" To choose a picture from your phone and cut it.
- Click " SELECT IMAGE FILTER" to choose a process algorithm and confirm.
- "LEVEL: MONO": This option will process the picture to a monochrome image.
- "LEVEL" COLOR": This option will process the picture to the tricolor image according to the display colors of the display (only valid for colorful displays).
- "DITHERING: MONO": This option will process the picture to a monochrome image.
- "DITHERING: COLOR": This option will process the picture to the tricolor image according to the display colors of the display (only valid for colorful displays).
- Click "UPLOAD IMAGE" to upload the image to the ESP32 device and display it.