i am facing a problem when connecting ham radio (uv-5r) to nano. The Nano should be programmed to switch on a relay to press the ham’s ppt, and i used another pin to generate signal to the mic in of ham. I used human detecting module to be sensor and if anyone moves close to this device, i can get s…

rf interference connecting nano to ham radio

system May 20, 2014, 4:48pm 2

this is the connection diagram for connecting the uv-5v ham radio. i had modified the mic signal from nano with resistor leveling and sw by relay.

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