Top Positive Review for PWM Controller on Banggood UK|Shopping UK

48% OFF NDIR CO2 Sensor MH-Z14A PWM NDIR Infrared Carbon Dioxide Sensor Module Serial Port 0-5000PPM Controller US$21.99 US$41.99 View It

Overall:

erberes 10/10/2018

I've bought more of these sensors by now, it's excellent. What makes this sensor excellent that it measures directly the CO2 level unlike the ones that guess it based on air quality (cheaper ones _guess_ CO2 level based on various particle levels). So if you want a good sensor go for this or other NDIR variants and don't settle for cheaper ones that don't directly measure CO2 level.

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Auratech where is the wiring connection details of 7 pin connector supplied with the board?
specially + 5 V and grd supply and analog out pin .
Please help hope you know that .
Regards
s Mukherjee
Reply 24/07/2019

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