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Flashing an ESP32-S2 Mini on a Mac

Unfortunately, flashing the newer ESP32 devices is a bit more of a pain than the good ol days of the ESP8266 (RIP ). While trying to flash this device my typical go-to method was to use the recently deprecated esphome-flasher. However, it doesn’t work.

Per the directions in the chart below, you should be in Device Firmware Upgrade (DFU) Mode, but this did not help me.


Ultimately, I was able to flash it via CLI using the trusty I used a modern FW build from ESPHome. The command that worked for me was the following:

Published inDIY HardwareESPHome