If you're looking to add a personal touch to your home without breaking the bank, DIY projects are the perfect way to get ...

the SAF Aranet4 Home air quality sensor may be what you're looking for. This nifty little brick has a display on the front that provides a readout of local temperature, humidity, carbon dioxide ...

The most expensive component was a CO2 sensor which cost $230. The rig uses an Arduino for feedback and control. With a total BOM cost of $350 their solution is cost effective, and provides an ...

For Security, Home Health Monitoring ... which costs $99.99 yearly or $9.99 monthly. XENSIV PAS CO2 Sensor The XENSIV PAS CO2 is a tiny CO2 sensor that is four times smaller and three times ...

While on the search for an alternative to directly buying the fairly expensive MH-Z19 CO2 sensor, [spezifisch] came across a ‘BreeRainz’ branded gadget (also found under other brands ...