rtl433
UNKNOWN
RTL-433 utility
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TFA-Twin-Plus-30.3049 also Conrad KW9010 (perhaps just rebranded), Ea2 BL999. More...
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static int | tfa_twin_plus_303049_callback (r_device *decoder, bitbuffer_t *bitbuffer) |
Decode TFA-Twin-Plus-30.3049, Conrad KW9010 (perhaps just rebranded), Ea2 BL999. More... | |
Variables | |
static char * | output_fields [] |
r_device | tfa_twin_plus_303049 |
TFA-Twin-Plus-30.3049 also Conrad KW9010 (perhaps just rebranded), Ea2 BL999.
Copyright (C) 2015 Paul Ortyl
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 3 as published by the Free Software Foundation.
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Decode TFA-Twin-Plus-30.3049, Conrad KW9010 (perhaps just rebranded), Ea2 BL999.
Protocol as reverse engineered by https://github.com/iotzo
36 Bits (9 nibbles)
Type: | IIIICCII | B???TTTT | TTTTTSSS | HHHHHHH1 | XXXX |
---|---|---|---|---|---|
BIT/8 | 76543210 | 76543210 | 76543210 | 76543210 | 7654 |
BIT/A | 01234567 | 89012345 | 57890123 | 45678901 | 2345 |
0 | 1 | 2 | 3 |
all values are LSB-first, so need to be reversed before presentation
[04] {36} e4 4b 70 73 00 : 111001000100 101101110 000 0111001 10000 —> temp/hum:23.7/50 temp num–>13-21bit(9bits) in reverse order in this case "011101101"=237 positive temps ( with 000 in bits 22-24) : temp=num/10 (in this case 23.7 C) negative temps (with 111 in bits 22-24) : temp=(512-num)/10 negative temps example: [03] {36} e4 4c 1f 73 f0 : 111001000100 110000011 111 0111001 11111 temp: -12.4
Humidity: hum num–>25-32bit(7bits) in reverse order : in this case "1001110"=78 humidity=num-28 –> 78-28=50
I have channel number bits(5,6 in reverse order) and low battery bit(9). It seems that the 1,2,3,4,7,8 bits changes randomly on every reset/battery change.
References bitbuffer::bb, bitbuffer_find_repeated_row(), bitbuffer::bits_per_row, DATA_DOUBLE, DATA_FORMAT, DATA_INT, data_make(), DATA_STRING, decoder_output_data(), and reverse8().
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r_device tfa_twin_plus_303049 |