Projects › Projects › multiplexing devices which do not have chip select › in that case you have to use
October 24, 2014 at 5:55 pm
#12315
Participant
in that case you have to use 2 to 4 decoder/demux.
but one more addition is you have to switch on/off relays using output lines of this dec/demux
and from relay contact you give Vcc supply to your transmitters.