This is a Node.js app to control a one axis sun tracker by using latitude, longitude, date and time.

This app runs on a command and control computer like a Raspberry Pi 3 and communicate with a NodeMCU module via websockets.

cd /my/projects/rootfolder
 

git clone https://github.com/seekwhencer/suntracker.git suntracker
cd suntracker/app
npm install

npm start

• NodeMCU
• 100 Ohm Pot
• L298N
• DC Down converter with USB and soldered output

As part of my dev station on a raspberry pi (german)

https://docs.google.com/document/d/1_xv6BJOvg2tKAK0UAu02wwiqLuZEJGaxQMHlU8f96E8

This helps me

https://tutorials-raspberrypi.de/einfuehrung-programmierung-esp8266-nodemcu-boards/

• use ESP8266Flasher.exe to flush the firmware (Windows)
• use ESPlorer to speak with the module