DIY 16-Channel 250+ Command Automation Remote with the Shelly i4
For about $100, you can build a 270-command remote or any number of other useful remote event triggering. Especially useful in shops or in demonstrative builds.
Shelly Plus i4
https://amzn.to/3kOMxOC
16-channel 433 Mhz remote relay module
https://amzn.to/3HiWoUz
Code examples are available on the Smarter Circuits GitHub:
https://github.com/SmarterCircuits
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