Post AVa1fs3YwhA6ap45zM by w8emv@mastodon.radio
 (DIR) More posts by w8emv@mastodon.radio
 (DIR) Post #AVa1fs3YwhA6ap45zM by w8emv@mastodon.radio
       2023-05-12T12:00:34Z
       
       0 likes, 1 repeats
       
       I'm sure I've tried rtl_433 before, but looking at it again I'm super impressed by the lengthy list of over-the-air data protocols it decodes for weather stations, tire pressure measurement sensors, energy meters, water leak detectors, and so on and so on.https://github.com/merbanan/rtl_433 or `brew install rtl_433`Now, to dig out my RTL-SDR tuner stick + suitable antenna to try this out, and compare results with my #FlipperZero .tnx @vees [ #rtl433 #rtlsdr #wx #f0 ]
       
 (DIR) Post #AVa1j2KhC9KJKiaXuC by vees@epistolary.org
       2023-05-12T13:26:48Z
       
       0 likes, 0 repeats
       
       @w8emv do you know what the flipper zero has under the hood? It could very well be a version of RTL 443.
       
 (DIR) Post #AVa1wZjsIqzEhlp08O by ai6yr@m.ai6yr.org
       2023-05-12T13:29:11Z
       
       0 likes, 0 repeats
       
       @vees @w8emv They're using a dedicated 433/ISM chip, the TI CC1101... (less flexible than the typical chips used for SDR, but probably more reliable for ISM band reception/transmission) https://www.ti.com/product/CC1101
       
 (DIR) Post #AVa413jGwRlKmio09Y by vees@epistolary.org
       2023-05-12T13:52:27Z
       
       0 likes, 0 repeats
       
       @ai6yr @w8emv what does it use to convert bit strings into intelligible information like temperature? Every manufacturer seems to transmit on the ISM in their own special way.
       
 (DIR) Post #AVa7JIz3GRW9AeZuJU by ai6yr@m.ai6yr.org
       2023-05-12T14:29:07Z
       
       0 likes, 0 repeats
       
       @vees @w8emv Yeah, I suspect there is a bunch of software that decodes all those various manufacturers' codes. The protocol is the same, but the meaning is different.