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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.

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How to create an office or studio status indicator and doorbell with NodeMCU Part #3

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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)

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