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# NodeMCU
## Overview
So, I got a cheap NodeMCU board from eBay. Here are some notes to get started with the ESP8266 !
## Requirements
### ESPTool
Grab the python script esptool from github: https://github.com/themadinventor/esptool
git clone https://github.com/themadinventor/esptool cd esptool ./esptool --port /dev/ttyUSB0 flash_id
Output should be something like:
Connecting... Manufacturer: e0 Device: 4016
Which means your board is working ! It's also included in the NodeMCU firmware repository
### NodeMCU release
Download the last NodeMCU release from github: https://github.com/nodemcu/nodemcu-firmware/releases
Check the image
./esptool.py --port /dev/ttyUSB0 image_info ./nodemcu_float_0.9.6-dev_20150704.bin
Should output something like
Entry point: 40100008 3 segments Segment 1: 31900 bytes at 40100000 Segment 2: 3064 bytes at 3ffe8000 Segment 3: 8 bytes at 3ffe8bf8 Checksum: 12 (valid)
If it looks okay, proceeed to the next step, Flash !
./esptool.py --port /dev/ttyUSB0 write_flash 0x00 ./nodemcu_float_0.9.6-dev_20150704.bin
Wait until completion…
### NodeMCU from source
Grab the firmware from github: https://github.com/nodemcu/nodemcu-firmware
git clone https://github.com/nodemcu/nodemcu-firmware cd nodemcu-firmware/
Todo