For download instructions, visit The official website
Download the latest esptool software
git clone https://github.com/espressif/esptool.git
Serial library is a possible requisite for using esptool
sudo apt-get update
sudo apt-get install python-serial python3-serial
Download the necessary firmware for our board
Visit the official micropython download page.
You will notice there are many options. For most generic ESP32 devices try this one .
Alternatively we can use wget in commandline:
# all following commands to be executed in the esptool folder
cd esptool
wget https://micropython.org/resources/firmware/esp32-20210902-v1.17.bin
Connect the ESP32 to your computer and erase all existing data
# Change USB port if necessary
./esptool.py --chip esp32 --port /dev/ttyUSB0 erase_flash
Program the firmware
# Change USB port and .bin file name to match your own
./esptool.py --chip esp32 --port /dev/ttyUSB0 --baud 460800 write_flash -z 0x1000 esp32-20190125-v1.10.bin
Open Thonny and verify that the firmware is working
Under Tools -> Options -> Interpreter, Choose MicroPython(ESP32)
If all goes well, you should see the Micropython version and date displayed in the shell window
