> Unfortunately, when I last looked, I couldn't find any consumer-grade sensors which used dual-NDIR sensors, only more expensive and less aesthetic commercial sensors. In the end I built my own using a CDM7160 sensor connected via I2C to a ESP8266, which reports over MQTT.
Looks like that's been discontinued. [1] Any advice for folks trying to build one now?
Looks like that's been discontinued. [1] Any advice for folks trying to build one now?
[1] https://www.figarosensor.com/topic/2020/11/Discontinuance-of...