Reversing 2.4GHz Remote Control

• rtl-sdr-blog

  100 233 7.5 C

  Modified Osmocom drivers with enhancements for RTL-SDR Blog V3 and V4 units.

  I know little about this but I think the device is called HackRF and costs about $350.

  If you want to tinker with radio stuff for less money, try an RTLSDR based device that can receive only instead of being bidirectinal like the HackRF. RTL-SDR (that's software-defined radio (=SDR) based on a particular RealTek (=RTL) chip) devices are as cheap as the right DVB-T USB receiver but there are more optimized devices for approximately $40 (un)available (because supply chain).

  https://www.rtl-sdr.com/

• urh

  35 10,395 6.8 Python

  Universal Radio Hacker: Investigate Wireless Protocols Like A Boss

  Wheni first stumbled across https://github.com/jopohl/urh (universal radio hacker) i couldn’t believe my luck.

  I’ve done stuff like this manually before (as in just collecting all the bits and then trying to ascribe meaning, e.g. https://github.com/cleanflight/cleanflight/issues/1125#issue... ) but i used URH to reverse my bbq temperature sensors.

  I have an alexa skill that shows the last 20 readings for both probes on a graph. It is stupidly over the top (a Pi with a cheap sdr dongle listens for packets from the bbq down the garden, it parses out the measurements and fires them into a dynamodb which is absurd but it was quick to do, then the Alexa skill just pulls from there and sends to a chart api that draws my line graphs to show on alex’s screen - totally absurd but great fun to do)

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• cleanflight

  5 2,566 4.5 C

  Clean-code version of the baseflight flight controller firmware

  

  Wheni first stumbled across https://github.com/jopohl/urh (universal radio hacker) i couldn’t believe my luck.

  I’ve done stuff like this manually before (as in just collecting all the bits and then trying to ascribe meaning, e.g. https://github.com/cleanflight/cleanflight/issues/1125#issue... ) but i used URH to reverse my bbq temperature sensors.

  I have an alexa skill that shows the last 20 readings for both probes on a graph. It is stupidly over the top (a Pi with a cheap sdr dongle listens for packets from the bbq down the garden, it parses out the measurements and fires them into a dynamodb which is absurd but it was quick to do, then the Alexa skill just pulls from there and sends to a chart api that draws my line graphs to show on alex’s screen - totally absurd but great fun to do)

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