EC Buying 5Pcs DHT11 Sensor Module Temperature and Humidity WiFi Node Module ESP8266 ESP01 ESP01S Internet of Things Smart Home Sensor Module WiFi Wireless Transceiver Module

Characteristics: Master control: ESP-01/ESP-01S (this module does not include ESP-01/ESP-01S) Temperature and humidity sensor: DHT11 Working voltage: DC 3.7V-12V (supporting 3.7v lithium battery power supply) Measuring range: 20%-90% RH 0?-50 ? Measurement accuracy: temperature: ± 2 ?; humidity: ± 5% RH Application example: Power supply: 3.7V-12V DC power is connected to VCC GND (2.54mm row pin) Download the program to ESP-01S (this connection does not include this wireless module) Insert ESP-01/ESP-01S (this connection does not include this wireless module) into the 2 * 4 Pin bus (in the direction of the arrow)