This ESP-01/ESP-01S DS18B20 Temperature module based on the ESP8266 and digital temperature module DS18B20. It is good for meature the temperature and uploader to the server as a node. It supports 3.7 to 12VDC power, so you can power it by a lipo battery and put it anywhere you need to meature the temperature. It is really useful in your smart home and IOT project.
* Master: ESP-01 / ESP-01S (this module does not include ESP-01 / ESP-01S)
* Temperature sensor: DS18B20
* Operating voltage: DC 3.7V-12V (support 3.7v lithium battery power supply)
* Measuring range: -55 ° C to + 125 ° c
* Accuracy: ± 0.5 ° C
1 X Sensor Module
RF sensors/Bluetooth & IR