There’s a huge market for 433 MHz alarm system ... or ESP8266 microcontroller, and have it wait until a specific device squawks out. From there, the code on the ESP can fire off using whatever ...
There’s a huge market for 433 MHz alarm system ... or ESP8266 microcontroller, and have it wait until a specific device squawks out. From there, the code on the ESP can fire off using whatever ...
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