hardware:vaillantvrt340f
Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende ÜberarbeitungLetzte ÜberarbeitungBeide Seiten der Revision | ||
hardware:vaillantvrt340f [2017/05/05 16:34] – reinhold | hardware:vaillantvrt340f [2017/05/11 18:53] – reinhold | ||
---|---|---|---|
Zeile 4: | Zeile 4: | ||
- // | - // | ||
+ | {{: | ||
- | In our appartment, we have a wireless heating control system made by Vaillant (probably 8-10 years old). Since I recently started into Smart Home and Home Automation (well, so far, i have mainly set up a huge net of all different kinds of sensors and some light bulbs, as I have hardly anything that could be controlled wirelessly), | + | In our apartment, we have a wireless heating control system made by Vaillant (probably 8-10 years old). Since I recently started into Smart Home and Home Automation (well, so far, i have mainly set up a huge net of all different kinds of sensors and some light bulbs, as I have hardly anything that could be controlled wirelessly), |
- | To detect and analyze the wireless signals, I'm using an RTL282x-based DVB-T dongle together with the RTL-SDR software. | + | To detect and analyze the wireless signals, I'm using an RTL282x-based DVB-T dongle together with the [[http:// |
===== Figuring out the Frequency ===== | ===== Figuring out the Frequency ===== | ||
Zeile 202: | Zeile 203: | ||
===== UPDATE: Bit stuffing -- but WHY? ===== | ===== UPDATE: Bit stuffing -- but WHY? ===== | ||
- | During my tests of the wireless control, I collected various different signals. Trying to group them into octets for bytes, | + | During my tests of the wireless control, I collected various different signals. Trying to group them into octets for bytes, |
- | | '' | + | < |
- | | '' | + | <pre>00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 00000000 00010001 00101101 00000000 |
- | | '' | + | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 10000000 00010001 00101101 00000000 |
- | | '' | + | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 00000000 00010001 00000000 00000000 |
- | | '' | + | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 10000000 00010001 00000000 00000000 |
- | | '' | + | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 00000000 00000001 00000000 00000000 |
- | | '' | + | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 00000000 00000001 01111100 00000000 |
+ | 00000000 00000000 01111110 10110110 01101111 00000000 00000100 00000000 10000000 00000001 01111100 00000000 | ||
+ | </ | ||
The first four observations were among the most frequent signals. | The first four observations were among the most frequent signals. |
hardware/vaillantvrt340f.txt · Zuletzt geändert: 2017/05/11 19:46 von reinhold