Very simple software on (ESP8266 Nodemcu)
To share the i/o ports status (real time monitoring) of an attached port expander (MCP23017) on a vry simple web page.
(No GUI for the page isneed or included).
5 freelancers are bidding on average $20 for this job
Hello Welcome here is a sample of what I did before please check this a Freelancer Site [url removed, login to view] Please make sure I can do all what you need