Anyone know a way to find frequency of a key fob by spending $0?
So I have this car key fob with a potentiometer and I want to find the frequency so I can tune it to a frequency I can use for my current aftermarket keyless entry system or program it to work with my garage door opener. So my question is, is there a way I can find the frequency without purchasing anything off eBay or anything. I want to keep this as low cost as possible as its not important but it would be really nice to have.
Any good apps anyone knows?
Thanks to anyone who can give me valuable info!
Also, i noticed many bad questions. This is what a good question should look like for reference. Plenty of detail on whats going on.
Is this a good question?