ITEM NAME:ESP8266 ESP-01S Serial Wireless Transceiver+DHT11 Temperature Humidity Moni D5B9 ESP8266 ESP-01S Serial Wireless Transceiver+DHT11 Temperature Humidity Moni D5B9 ESP8266 DHT11 Temperature&Humidity Wifi Shield Sensor Module: Operating voltage: DC 3.7 V-12 V (support 3.7 v lithium battery power supply) Measuring range: 20-90% RH 0-50 Celsius Measurement accuracy: Temperature: +/- 2 Degree Humidity +/- 5% relative humdity ESP-01S ESP8266 Wifi WirelessTransmission Module: Operating Voltage: 3.0-3.6V(We recommended 3.3V) Operating Current: Average 80mA Operating Temperature: -40~125 Celsius Wireless Network Mode: station/softAP/SoftAP+station Safety Mode: WPA/WPA2 Encryption Type: WEP/TKIP/AES Network Protocol: IPV4,TCP/UDP/HTTP/FTP Application Example: 1. Power source: 3.7 V-12 V DC power supply connected to VCC GND (2.54mm pin) 2. Download the program to ESP-01S 3. Insert ESP-01 / ESP-01S into the 2 * 4 Pin Characteristic: Master: ESP-01 / ESP-01S (this module does not include ESP-01 / ESP-01S) Temperature and humidity sensor: DHT11 Package list ESP8266 ESP-01 ESP-01S DHT11 Temperature Humidity Sensor Module x 1 Application example: 1. Power supply: 3.7V-12V DC power supply connected to VCC GND (2.54mm pin) 2. Download the program to ESP-01S 3. Insert ESP-01 / ESP-01S into the 2 * 4 Pin (in the direction of the arrow) 4. Temperature and humidity sent to another WiFi module Package Included: 1 * DHT11 Temperature Humidity Wifi Module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
