Hacking Meshtastic with a Raspberry Pi and GNU Radio
Jeff Geerling
Jul 31, 2025 14:00
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Chapters
Can I decode other people's messages using a Raspberry Pi and some open source SDR software?
Mentioned in this video (some links are affiliate links):
- Nooelec HackRF One: https://amzn.to/4ojyQUj
- Argon ONE UP Pi Laptop: https://www.kickstarter.com/projects/argonforty/upton-one-the-true-raspberry-pi-compute-module-5-laptop
- GQRX: https://www.gqrx.dk
- GNU Radio: https://www.gnuradio.org
- Meshtastic_SDR: https://gitlab.com/crankylinuxuser/meshtastic_sdr
- cemaxecutor's video on Meshtastic decoding: https://www.youtube.com/watch?v=L1VgO1OZWbs
Blog post with more details on my journey and how to replicate my experiments on a Pi: https://www.jeffgeerling.com/blog/2025/decoding-meshtastic-gnuradio-on-raspberry-pi
And here are my daily vlogs from Open Sauce 2025:
- Day 0: https://www.youtube.com/watch?v=PQWQQJ_izac
- Day 1: https://www.youtube.com/watch?v=95Ec_XZBFMU
- Day 2: https://www.youtube.com/watch?v=hD9iNjhIc_w
Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy
Merch: https://www.redshirtjeff.com
2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff
Contents:
Science & Technology
#sdr
#raspberry pi
#radio
#software
#defined
#hackrf
#one
#rtl-sdr
#meshtastic
#mesh
#networking
#lora
#ads-b
#1090
#dump1090
#laptop
#argon one up
#open sauce
#open source
#gnu
#rf
#frequency
#radiofrequency
#ham
#amateur
#explore
#bands
#waterfall
#graph
#decode
#spy
#encode
#transmit
#receive
#antenna
#airplane
#sky
#line of sight
#los
#signal
#quality
#router
#node
#encryption
#airwaves