ESP8266

ESP8266 Board configurations


https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/intro.html#requirements

- Need ESP8266 board with 1Mbyte flash.
- Remember boards are mostly operating 3.3V

Get firmware here

Need esptool for desktop computer. Best way to install it by using pip install esptool  f.g on Python directory

• Erase flash esptool.py --port /dev/ttyUSB0 erase_flash
• Flash new firmware esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect 0 esp8266-20170108-v1.8.7.bin

Serial communication

with realterm 115.2k

REPL over serial port is always available

Wifi Communication

Board configures automatically Wifi Access point.

ESSID: MicroPython-xxxxxx

Password: micropythoN

IP:192.168.4.1

WebREPL is available, but before first run after flashing the password need to setup. Only way to do that is use the serial REPL.

Give the command import webrepl_setup on serial console and follow the instructions.

ctrl-E special paste mode

• ctrl-C cancel
• ctrl-D end

ctrl-A raw REPL mode

ctrl-B normal REPL mode

ctrl-C cancels any input, or interrupt currently runnning code

ctrl-D do a soft reset

ctrl-A and ctrl-D do not work with WebREPL.