I need help in implementing a use case with LoRa SX1278 operating at 433MHz. I want to send a signal to another LoRa/RF receiver when an even happens WITHOUT using any microcontroller/Arduino. For the event, there is already a sensor which works like a relay - normally open, normally close and neutral. I want to send a signal, whenever neutral gets connected to NO or NC. The receiver can be LoRa but I would prefer a normal 433 MHz receiver. No specific message text is required for communication, only the receiver should be able to differentiate with two type of singal for NO and NC.
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Hi. I have mor ethan 8 years experienced in circuit design and development..in my past i have designed lot of boards for company. I can designed best way without emiemc