M5Stack PM2.5 Air Quality Kit (PMSA003 + SHT20) [Discontinued] _MAKE_WEAR The Circuit Playground Express Soil

The Circuit Playground Express Soil Sensor Kit will teach you all about how to keep your plants in good condition

Mac and Android with UVC

Integrated temperature and humidity sensor

2mA (green)

M5Stack PM2.5 Air Quality Kit (PMSA003 + SHT20) [Discontinued] _MAKE_WEAR The Circuit Playground Express SoilPM2. 5 is a pollution sensor base with affordable price and high performance. Integrated with PMSA003 and SHT20, makes it possible to measure the ambient quality of air, temperature, and humility all at one device. Much discussion and research have taken place within academic and government environmental organizations as to how accurate such sensors are and whether they have a place in the enforcing of environmental regulation, or even providing an