0. AT firmware burning
AT firmware download address: ESP32 firmware download . For example, if you are using it ESP-WROOM-32, you can download it ESP32-WROOM-32 AT Bin V2.0. Then complete hardware connection (AT serial connection). After the download is complete, go directly to the corresponding directory ESP32-WROOM-32 AT Bin V2.0. The burning instructions are as follows (using esptool ):
esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 40m --flash_size detect 0x10000 ota_data_initial.bin 0x1000 bootloader/bootloader.bin 0x20000 at_customize.bin 0x21000 customized_partitions/ble_data.bin 0x24000 customized_partitions/server_cert.bin 0x26000 customized_partitions/server_key.bin 0x28000 customized_partitions/server_ca.bin 0x2a000 customized_partitions/client_cert.bin 0x2c000 customized_partitions/client_key.bin 0x2e000 customized_partitions/client_ca.bin 0x30000 customized_partitions/factory_param.bin 0xf000 phy_init_data.bin 0x100000 esp-at.bin 0x8000 partitions_at.bin
Windows users can also use the following programming tools: Lexin official burning tool in Flash 下载工具.
1. AT commands used
For the complete set of AT commands, please refer to the ESP32 AT command set and usage examples .
2. Recommended for serial debugging assistant
Under Linux / Ubuntu: Recommended cutecomuse sudo apt-get install cutecomto complete the installation.
Under Windows: XCOM is recommended .