Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...
When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.
The DS18B20 is a one-wire temperature sensor. The original DS18B20 is manufactured by Analog Devices, Maxim or Dallas Semi. Other companies manufacture functionally similar pin-compatible temperature ...