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The board uses USB as the JTAG upload port. When printing serial port information on USB, it is necessary to turn on CDC_ ON_ BOOT configuration. If the port cannot be found when uploading the program, or if USB is already used for other functions, the port will not appear. Please manually enter upload mode.
[] Press and hold the power on button when shutting down, which is located behind the RST button.
[] After connecting USB, first press and hold the start button, then click reset, and then release the start button
[] On the Settings tab of Arduino preferences, enter https://raw . githubusercontent . com/espressif/arduino-esp32/GH-pages/package _ esp32 _ index . JSON URL other board manager URL input box.
[] Click OK and the software will be installed.
[] Search for ESP32 in Tools>Board Manager and install the ESP32 Arduino SDK (version 2.0.3 or higher)
[] Copy all the contents in the lib folder of this repository to the Arduino repository folder.(Take for example c:\ Users \ your name \ Documents \ Arduino \ libraries
)
[] Select the correct settings in the Tools menu, as shown below.
Setting | Value |
---|---|
Board | ESP32 S3 Dev Module |
USB CDC On Boot | Enabled |
CPU Frequency | 240MHz (WiFi) |
Core Debug Level | None |
USB DFU On Boot | Enabled |
Events Run On | Core 1 |
Flash Mode | QIO 80MHz |
Flash Size | 16MB (128Mb) |
JTAG Adapter | Integrated USB JTAG |
Arduino Runs On | Core 1 |
USB Firmware MSC On Boot | Disabled |
Partition Scheme | Huge APP (3MB No OTA/1MB SPIFFS) |
PSRAM | OPI PSRAM |
USB Mode | Hardware CDC and JTAG |
[] PlatformIO plugin installation: Click on the left column extension → Search for PlatformIO → Install the first plugin
[] Click on Platform>Embedded>Search for Espressif 32 in the input box and select the corresponding firmware installation
[] Use the delivered circuit board. Connect the board to the USB and computer without touching anything else. Upload the code. The code will start immediately after downloading and running. Unplug the circuit board and reconnect to the USB. The board of directors cannot do anything.
[] Use the delivered circuit board. Press the start button. When pressing the start button, connect the USB to the computer. Release the start button. Upload the code. The code will not start immediately after downloading. Nothing will happen. Unplug the circuit board and reconnect to the USB. The development board will now guide the code. Connect the motherboard from USB to the computer and connect it to another power source, such as a LiPO battery. The chessboard will start encoding again. This computer is no longer needed.
By performing steps 1 or 2, new code can be loaded onto the circuit board. Both will continue to work.