Thx，my s8 just run about one week，so，I will continue monitoring it for a while.
but i am sure that s8 is not correct,because I put it in Outdoor environment for a while ,it's Minimum readings is 460PPM,I think it should be about 400ppm
Search found 2 matches
- 17 Dec 2018, 04:30
- Forum: ESP Easy: Hardware
- Topic: WHY the data of MHZ19B 200ppm less than Senseair s8 0053
- Replies: 7
- Views: 6190
- 14 Dec 2018, 03:29
- Forum: ESP Easy: Hardware
- Topic: WHY the data of MHZ19B 200ppm less than Senseair s8 0053
- Replies: 7
- Views: 6190
WHY the data of MHZ19B 200ppm less than Senseair s8 0053
hello,everyone,I am a freshman of EASYESP. I buy MHZ19B and Senseair s8 0053,connet them to two ESP8266 nodemcu,which firmware is ESP_Easy_mega-20181125_normal_ESP8266_4096.bin Disable the ABC for MHZ19B, and calibration it manually（Reference to official documents）。 But the data from the two sensor ...