How to burn program onto ESP32?

The ESP32 program is flashed by following these steps:

1. Preparation:

- Ensure you have an ESP32 development board, a USB data cable, and the corresponding drivers.

- Install the Arduino IDE or ESP-IDF, which can be used for writing and flashing programs.

2. Connect the Device:

- Connect the ESP32 development board to the computer via a USB data cable.

- Ensure the development board's drivers are correctly installed.

3. Select the Development Environment:

- Using the Arduino IDE:

1. Open the Arduino IDE.

2. Install the ESP32 support package: File -> Preferences, add https://dl.espressif.com/dl/package_esp32_index.json to the "Additional Boards Manager URLs", then search and install the ESP32 in Tools -> Board -> Board Manager.

3. Choose the appropriate board model: Tools -> Board, select ESP32.

4. Write or open the program you want to flash.

5. Click the Upload button (an arrow icon), and the Arduino IDE will automatically compile and upload the program to the ESP32.

- Using ESP-IDF:

1. Install the ESP-IDF environment, refer to the [official ESP-IDF documentation](https://docs.espressif.com/projects/esp-idf/en/latest/esp32/).

2. Open a terminal, compile the program with idf.py build.

3. Use idf.py flash to flash the program to the ESP32.

4. Use idf.py monitor to view serial output (optional).

4. Enter Flashing Mode (if required):

- Typically, the ESP32 enters flashing mode automatically when connected to the computer. If it does not, try holding down the BOOT button on the ESP32, then click the Upload button, and keep holding BOOT until the flashing is complete.

5. Verify the Program:

- After flashing, the ESP32 will restart and run the new program. You can check if the program runs normally by monitoring the serial port output.

These are the flashing steps through the Arduino IDE and ESP-IDF, and the specific operations may vary slightly depending on the development environment and board model.