100% Brand New and High Quality.
Shape/Colour: Same as the picture show
1. This module uses ESP8266 ESP-01S as the master control and DS18B20 as the temperature sensor.
2. ESP8266 collects the temperature in the environment and uploads to the server.
The temperature Sensor: DS18B20
Operating voltage: DC 3.7V-12V (Support 3.7V lithium battery power supply)
Measuring range: -55°C TO +125°C
Size: 25mm x 21mm /0.98in x 0.83in
Frequency Range: 2.4GHz-2.5GHz (2400M-2483.5M)
Data Interface: UART/HSPI/I2C/I2S/Ir Remote Control/GPIO/PWM
Operating Voltage: 3.0-3.6V (We recommended 3.3V)
Operating Current: Average 80mA
Operating Temperature: -40~125°C
Wireless Network Mode: station/softAP/SoftAP+station
Safety Mode: WPA/WPA2
Encryption Type: WEP/TKIP/AES
Network Protocol: IPV4, TCP/UDP/HTTP/FTP
Wireless Standard: 802.11b/g/n
1PC*ESP8266 ESP-01 Serial WIFI Wireless Transceiver DS18B20 Temperature Sensor Adapter
Please note that this does not include the ESP-01/s wifi module it is just for the sensor module. Please check out our store if you require these as well.