6123569882988544 New Digital Store Elecfreaks Octopus Waterproof DS18B20 Temperature Sensor This sensor is a tempeterature detector used to test the liquid temperature based on 18b20. Product #: newdigitalhk-Elecfreaks Octopus Waterproof DS18B20 Temperature Sensor 2022-09-16 Regular price: $HKD$108.0 Available from: New Digital StoreIn stock