OpeniKair

来自Jack's Lab
(版本间的差异)
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(Dust Sensor)
(Dust Sensor)
第38行: 第38行:
 
bytes: 34 74 B9 38 46 46 94 08 C9 00 00 00
 
bytes: 34 74 B9 38 46 46 94 08 C9 00 00 00
 
......
 
......
 +
</source>
 +
<source lang=bash>
 +
concentration = 1292.44 pcs/L, 365.76 pcs/0.01cf, LowPulsOccu = 211526, Ratio = 0.71
 +
concentration = 2019.79 pcs/L, 571.60 pcs/0.01cf, LowPulsOccu = 331231, Ratio = 1.10
 +
concentration = 830.56 pcs/L, 235.05 pcs/0.01cf, LowPulsOccu = 135637, Ratio = 0.45
 +
concentration = 2811.53 pcs/L, 795.66 pcs/0.01cf, LowPulsOccu = 461557, Ratio = 1.54
 +
concentration = 1997.89 pcs/L, 565.40 pcs/0.01cf, LowPulsOccu = 327624, Ratio = 1.09
 +
concentration = 1817.27 pcs/L, 514.29 pcs/0.01cf, LowPulsOccu = 297887, Ratio = 0.99
 
</source>
 
</source>
  

2018年10月26日 (五) 12:04的版本

目录

1 Overview



2 Hacking

2.1 Dust Sensor

  • i2c address is 0x30
  • Type is PPD42NS, a STM8S105K6 MCU emulating a i2c slave device
l`▒▒▒Reading i2c device...
bytes: 34 34 00 00 00 00 34 00 00 00 00 00
Reading i2c device...
bytes: 34 34 00 00 00 00 34 00 00 00 00 00
Reading i2c device...
bytes: 34 34 00 00 00 00 34 00 00 00 00 00
Reading i2c device...
bytes: 34 34 00 00 00 00 34 00 00 00 00 00

Reading i2c device...
bytes: 34 AD 3E E0 45 45 61 01 5F 00 00 00
Reading i2c device...
bytes: 34 A1 A4 25 46 46 E6 08 C5 00 00 00

Reading i2c device...
bytes: 34 FC C6 52 46 46 E8 0C 50 00 00 00
Reading i2c device...
bytes: 34 C1 2F B9 46 46 20 0C 93 00 00 00
Reading i2c device...
bytes: 34 0A 05 82 46 46 4D 09 C4 00 00 00
Reading i2c device...
bytes: 34 C7 3A BF 46 46 80 09 6F 00 00 00
Reading i2c device...
bytes: 34 8D 97 ED 46 46 4C 07 F7 00 00 00
Reading i2c device...
bytes: 34 74 B9 38 46 46 94 08 C9 00 00 00
......
concentration = 1292.44 pcs/L, 365.76 pcs/0.01cf, LowPulsOccu = 211526, Ratio = 0.71
concentration = 2019.79 pcs/L, 571.60 pcs/0.01cf, LowPulsOccu = 331231, Ratio = 1.10
concentration = 830.56 pcs/L, 235.05 pcs/0.01cf, LowPulsOccu = 135637, Ratio = 0.45
concentration = 2811.53 pcs/L, 795.66 pcs/0.01cf, LowPulsOccu = 461557, Ratio = 1.54
concentration = 1997.89 pcs/L, 565.40 pcs/0.01cf, LowPulsOccu = 327624, Ratio = 1.09
concentration = 1817.27 pcs/L, 514.29 pcs/0.01cf, LowPulsOccu = 297887, Ratio = 0.99


2.2 Temp & Humi

  • Type is SHT21/SHT2x
  • i2c address is 0x40


2.3 HCHO Sensor

  • Type is Dart 2-FE5 , a STM8S105K6 MCU emulating a i2c slave device


2.4 Light Sensor

  • Seems like type is BH1750
  • i2c address is 0x23



3 Reference











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