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57bbb26e S |
1 | ------------------------------------------------------------------------------- |
2 | FOR X SECS: OOK data | |
3 | ------------------------------------------------------------------------------- | |
4 | ||
5 | for_x_secs contains longer captures which can contain multiple signals of | |
6 | interest. | |
7 | ||
8 | ||
9 | Notes for oregon_12s.sr | |
10 | ----------------------- | |
11 | ||
12 | This is a 12 second capture of 433 MHz amplitude modulated data. It contains | |
13 | traces for an Oregon Scientific THGN800 temperature and humidity sensor, a | |
14 | PCR800 rain sensor, a WGR800 wind sensor and a virtual BTHR968 temperature | |
15 | humidity and pressure sensor. There may also be some other signals in there | |
16 | too. | |
17 | ||
18 | In order to decode the Oregon v2.1 BTHR968 you will need to change the | |
19 | preamble to '1010 ...' in the ook decoder. Currently you can ook decode either | |
20 | a preamble of '1111 ...' or '1010 ...' but not both at the same time, so you | |
21 | can see Oregon v2.1 or v1/3 sensors. | |
22 | ||
23 | The signal was received by an RF Solutions RX12 superhet decoder chip and then | |
24 | passed to the logic analyser. | |
25 | ||
26 | The individual traces are also in separate files under the oregon folder. | |
27 | ||
28 | Details: | |
29 | https://www.rfsolutions.co.uk/downloads/1481732062DS-AM-RX12.pdf | |
30 | ||
31 | ||
32 | Logic analyzer setup | |
33 | -------------------- | |
34 | ||
35 | The logic analyzer used was a USBee AX Pro / Saleae Logic clone (at 25kHz): | |
36 | ||
37 | Probe RX12 | |
38 | ---------------- | |
39 | 0 OUT | |
40 | 1 Output from Arduino running virtual BTHR968 | |
41 | ||
42 | ||
43 | Data | |
44 | ---- | |
45 | ||
46 | * oregon_12s.sr: | |
47 | Contains a set of pulses that include Oregon Scientific PCR800, THGN800, | |
48 | WGR800 and BTHR968 sensors. | |
49 | ||
50 | * one_transition_10s.sr: | |
51 | Contains a single transition around 1 sec that is a useful template for | |
52 | using the ook_gen decoder. |