I would like to create a set of remote control and reciver on 868 MHz. The reciver has to be build with microcontroller and has to be low power device. Working on 4,5-12 V and be able to sty in standby minimum 12 months with 3 battery AA (1,5V).On the and of the recive has to be relai for 12V /10A The system has to have rollinig code function for secure.
The remote control has working voltage between 1,5 and 12V
The functions are: press on on the remote control = relais on Relaise the remote control= off on relais.
Can you realis this project?
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Why you would like to use 868 Mhz? What is the ditance for working system? How many devices in one system? One transmitter and one relay? Should be bedirrection data send?