Lomanic/operame
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12 Commits 6 Branches 1 Tag 903 KiB
26ee5d39c6
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8 Commits

Author SHA1 Message Date
Juerd Waalboer
26ee5d39c6 Implement automatic baseline calibration 2020-11-28 21:19:53 +01:00
Juerd Waalboer
6c7bb2c4a3 Deal with weird MH-Z19(B?) version 
This one, with version number 0436, has a magic "I'm still booting" value
of 436 PPM instead of 410 PPM.

Interestingly, another sensor with version 0430 returns 430 for an instant,
but then goes to 410. During the short 430-phase the clamped CO2 value is
actually 0, so it doesn't require checking.
 2020-11-27 05:33:15 +01:00
Juerd Waalboer
0ab1ea28e6 Add logo 2020-11-25 01:55:40 +01:00
Juerd Waalboer
df27d1474a Make compatible with millis() rollover 2020-11-18 23:45:20 +01:00
Juerd Waalboer
5359e62b12 Change RX and TX pins for MH-Z19 
Per PCB layout change
 2020-11-18 23:44:44 +01:00
Juerd Waalboer
5fdd5596cf Detect rotated TTGO 2020-11-17 21:40:43 +01:00
Juerd Waalboer
4f33490310 Typo 2020-11-16 23:51:38 +01:00
Juerd Waalboer
56d4912e87 First commit 2020-11-16 23:48:15 +01:00