3Pcs ESP8266 ESP-01 ESP-01S DS18B20 Temperature WiFi Wireless Node Module Internet of Things

Feature This ESP 01 ESP 01S DS18B20 Temperature module based on the ESP8266 and digital temperature module DS18B20 It is good formeature 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 Characteristic Master ESP 01 ESP 01S this module does not include ESP 01 ESP 01S Temperaturesensor 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 Package includes 3 x Sensor Module