The DS18B20 “stainless steel tube” waterproof digital temperature sensor used here comes with a 90cm long cable for remote temperature sensing over the range of -55 to 85°C. To be able to use the ...

Bluetooth Temperature Module. 11 Comments ... Jamie Maloway] built his own temperature sensor that can be read ... on top and a 1-wire temperature IC, the DS18B20 we’re all familiar ...

Electronically it is pretty simple: a Helltech CubeCell AB01 LoraWAN module is wired up with three DS18B20 temperature sensors, a LiPo battery and a solar panel. (The AB01 has the required ...