The wiring diagram below shows how to set up the quick test hardware. The DS18B20 “stainless steel tube” waterproof digital temperature sensor used here comes with a 90cm long cable for remote ...

Electronically it is pretty simple: a Helltech CubeCell AB01 LoraWAN module is wired up with three DS18B20 temperature sensors, ... one with a DS18B20 temperature sensor for outdoors, ...

Wanting to know the outside temperature, [Jamie Maloway] built his own temperature sensor that can be read with a Bluetooth device. Let’s take a tour of the hardware above from right to left.… ...