Go to the releases page on GitHub to download the latest openHASP binaries.
Get the full binary file for your ESP32 device: e.g. d1-mini-esp32_ili9341_full_4MB_v0.6.0.bin
You can also download the nightly openHASP firmware.zip file from the Actions tab on Github.
When flashing openHASP onto the ESP32 for the first time, you need to flash it over serial using the full firmware binary file.
You need to write the full binary to the ESP32 flash chip at address
The full binary also contains a bootloader and partition scheme needed to properly boot the ESP32.
Before starting the flash process you have to put the ESP into flash mode:
GNDbefore booting the devide
- Power-on or reset the ESP while
GPIO0is connected to
- Start the flash process
The actual procedure to flash the ESP32 depends on the tool used. Click on the tab below that matches your flash tool.
ESPHome Flasher cannot flash the openHASP binary. Use one of the other tools below instead.
COM1 to the correct port on your computer. If you get an error at the end of the flash procedure, you can try with a lower the baudrate eg. 460800.
Tasmota-PyFlasher is a simple GUI tool for flashing ESP32 firmware without any installation.
COM7 to the correct port on your computer.
Espressif provides their own Flash Download Tools for Windows.
COM90 to the correct port on your computer.