User Manual

Uploading Software to ESP32

Getting Ready

Required Downloads

• Flash Tool Download
• From Latest Release: Flash.zip (See right sidebar on GitHub Code page)

Uploading the Software

1. Connect the ESP32 to your computer
2. Extract/Unzip the Flash Download tool
3. In the extracted folder, open the Flash Download Tool (Will be named something like: flash_download_tool_3.8.5.exe)
4. Press Developer Mode then ESP32 DownloadTool
5. Go back to where you downloaded Flash.zip and extract this file
6. Add the extracted files inside Flash.zip to tool (Click the "..." boxes next to the lines to browse and find the files)
7. Next to the files, there is a "@" symbol followed by a box, make sure each file had the right entry next to it

• partitions.bin - 0x8000
• firmware.bin - 0x10000
• boot_app0.bin - 0xe000
• bootloader_dio_40m.bin - 0x1000

8. Ensure SPI Speed is 40MHz, SPI MODE is DIO, FLASH SIZE is 32Mbit, and DoNotChngBin is checked
9. Ensure the COM port is set and BAUD is 115200
10. Refer to the Picture below to double check are settings are correct
11. Press Start to begin uploading
12. Should be complete when the green box says "Finished"