Here are our tutorials tagged
How to create an office or studio status indicator and doorbell with NodeMCU Part #3
How to create an office or studio status indicator and doorbell with NodeMCU Part #4
Welcome to part 4 of the series, we are going to be connecting the two devices we have built so far through EC2 and an express server using authenticated post requests.
How to create an office or studio status indicator and doorbell with NodeMCU Part #2
This is the second part of our series on how to setup a status indicator and doorbell. Here we are going to be setting up our three different states, busy (red), recording(blinking red) & free (green)