For a dollar, you get a little square LCD with sensors and a button. ... It’s a simple enough idea, and with an Arduino and a DHT11 temperature and humidity sensor, ...

[Jens]’ device consists of an Arduino, LCD display, and two sensors – one for acetone, and another for temperature and humidity. By carefully calibrating a TGS822 sensor, ...

The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Anavi Technology has this month launched a new product via the Crowd Supply in the form of the ANAVI Thermometer, an ESP8266-powered, open source ...