433mhz transmission or receiving error


hello all,

i've been working on thought pretty simple little project test out 433mhz transmitter  , receiver purchased, i'm not having success.

i have 2 nano's hooked usb power computer.

i have transmitter hooked 5v, ground, , transmit (data) pin on d2 on first arduino.

i have receiver hooked 5v, ground, , 1 of data pins d2 on second ardunio.

my receiver has picture on indicates 315,330,433mhz.  there need in order receive 433mhz?  i've tried on 5 nano's , on 8 sets of transmitters/sensors don't think 1 of those.

anyone else experienced issue similar mine me out?

transmitter has hc - 433a stamped on front



receiver:





hi, welcome forum.

if bought them together, frequencies should match.
the frequency set manufacturer. not possible select yourself.

how did transmit data ? using library ?


Arduino Forum > Using Arduino > Networking, Protocols, and Devices (Moderator: fabioc84) > 433mhz transmission or receiving error


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