ESP 8266 Cheat Sheet (Firmware Flashing)

Find Port on MAC

ls /dev/tty.*

Install Firmware

The first thing to do is download the most recent MicroPython firmware .bin file to load onto your ESP8266 device. You can download it from the MicroPython downloads page

Erase Flash --port /dev/tty.usbserial-14220 erase_flash

Flash Firmware --port /dev/tty.usbserial-14220 --baud 460800 write_flash --flash_size=detect -fm dout 0 esp8266-20220618-v1.19.1.bin

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