Write a ardino c++ code for a attendance system that store data on google spread sheet using RFiD and arduino uni and arduino ethernet shield

Electrical Engineering Nov 20, 2020

Write a ardino c++ code for a attendance system that store data on google spread sheet using RFiD and arduino uni and arduino ethernet shield . Please also explain what each line of code do. also with the schematic diagram for how to connect RFiD and arduino uni and arduino ethernet shield