3 potentiometers?

A project log for Arduino + 433Mhz rf communication

What is the best way to communicate with cheap 433Mhz RF transmitter and receiver link kit for Arduino/ARM/MCU?

Kevin CepedaKevin Cepeda 07/15/2017 at 02:300 Comments

Today I've tried to do the same thing but using 3 potentiometer; it seems to work but the receiver it's not refreshing so the leg RGB doesn't change :( However, it's interesting that when the receiver arduino begins or when restarted, it refreshes. Another thing is that if the antennas are touching each other it works. I think it is not a problem of the transmitter because it works from more than 5 meters away when the receiver is restarted. I might have forgotten something on the receiver code or even i don't know. I'll look for another methods.

I have some hypothesis about the problem:

  1. The receiver code has a logic mistake.
  2. There is noise between the unit.
  3. This method is not proper.



Code: AM 433Mhz/RF_transmiter_4pot_longchain



Code: AM 433Mhz/RF_receiver_4pot_longchain