30 Jan '17, 9pm

SDR and Node.js Remote-Controlled Monster Drift

When I was in high school I was fiddling around with a RC car remote and a CB radio, discovered I could hear different tones on the radio depending on which button on the remote I pressed.. So I did the only sensible thing, found the output of the oscillator on the remote where it was fed into the transmitter circuit, cut the trace, fed that signal through an audio transformer to the microphone input of a handheld CB… Discovered I was able to hijack the RC car the kids across the street were driving around (Although my controller was different so the controls were all caddywampus, if I remember correctly “forward” made it steer left, “reverse” made it go forward, and then of left and right, one made it steer to the right, and the other made it go forward), different kids with a different car I couldn’t control, but it would jam their controller. No, I didn’t steal their ca...

Full article: http://hackaday.com/2017/01/30/sdr-and-node-js-remote-con...

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hackaday.com 28 Jan '17, 12am

[Chris D] noticed that the excellent software defined radio (SDR) software gqrx will run on the Raspberry Pi now. So he ma...

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