Monitor water quality anywhere in the world with WaterAid

Clean water is one of our most precious resources, but identifying sources of pollution often means expensive equipment. This can also mean taking multiple water quality readings and somehow aggregating them together to be easily usable. As a solution to both problems, Andrei Florian has…

Science With Rainbows! – Spectrophotometry

via Daniel Hingston How to build your own DIY Arduino 3D printed Spectrophotometer at home, to analyse the transmission properties of samples in solution. We use a small prism to create a spectrum,… Source : Science With Rainbows! – Spectrophotometry

Indoor air quality HAT for Raspberry Pi boasts high-res TVOC sensor

Avnet’s $49.95 “Renesas ZMOD4410 Indoor Air Quality HAT for Raspberry Pi” can be used to measure volatile organic compounds, humidity, and temperature, as well as estimate carbon dioxide levels. Source : Indoor air quality HAT for Raspberry Pi boasts high-res TVOC sensor

15-inch touch panel PC builds on Raspberry Pi CM3

Comfile’s 15-inch “ComfilePi CPi-A150WR” touch-panel computer is built around a Raspberry Pi Compute Module 3 and offers an IP65 protected, 1024 x 768 resistive touchscreen pus USB, LAN, serial, and 22x GPIO Source : 15-inch touch panel PC builds on Raspberry Pi CM3