On occasion, dealing with embedded hardware can be a bit of a pain. Flashing ESPs is a bit of guess and check from time to time. We’ll be flashing an ESP32 DevKit V2 today. We first need to install the drivers from here: CP210x USB to UART Bridge VCP Drivers – Silicon Labs (silabs.com)
With those installed, plug the USB connection for the controller into your PC (Close out of CURA too!), and from ESPHome web, connect to the COM port for the device. After that, hold down the boot button while selecting “Prepare for First Boot” in the ESPHome web interface, and keep holding it until you see the install begin running (getting the percentage complete, etc). Once that shows up, you can release the button and wait for it to finish flashing.
Tl-Dr
- Install Driver
- Plug in USB
- Connect to COM Port from ESPHome Web
- Hold Boot button while starting the install