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Software defined radio.RTL-SDR USB sticks work really well at 433 - you can get em for $10-$15.This is a good starting point: https://www.rtl-sdr.com/analyzing-433-mhz-transmitters-rtl-sdr/big
On 21 March 2018 at 16:23, Aidan Samuel <aidan....@gmail.com> wrote:
I've been trying to clone my garage door opener with some 'learning' remotes I bought from AliExpress.They don't work at all, and they also have the worrying side-effect of making any music playing via bluetooth glitch.I'd like to hook up some way of seeing what the original remote and the new learning remotes are broadcasting.The scope at the space I think maxes out at 100Mhz, but I don't really need to see the carrier signal, just the modulation, which I assume is somewhat closer to the kilohertz region?Is there a simple way I can hook something up to see the signal that's being sent?Thanks for any advice,Aidan.
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