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Were you able to get accurate CO2 readings from the AliExpress Zigbee sensors? I got two of them and the CO2 values from each were wildly wrong. I'm curious if
by christiangenco 4y ago
Were you able to get accurate CO2 readings from the AliExpress Zigbee sensors? I got two of them and the CO2 values from each were wildly wrong. I'm curious if I'm missing a calibration step.
- nathan_f77 4y agoI'm not sure how accurate it is but the values seem reasonable. It hovers around 360ppm for fresh air. I can see it creep up if I'm in my office with the windows and door closed, and it spikes up if I breathe onto it.