Espressif ESP8266 User Manual

C. DHT11 Humidity & Temperature Sensor
This DHT11 Temperature & Humidity Sensor features a temperature & humidity sensor
complex with a calibrated digital signal output. By using the exclusive digital-signal-
acquisition technique and temperature & humidity sensing technology, it ensures high
reliability and excellent long-term stability. This sensor includes a resistive-type humidity
measurement component and an NTC temperature measurement component, and connects
to a high-performance 8-bit microcontroller, offering excellent quality, fast response, anti-
interference ability and cost-effectiveness.

Espressif ESP8266 Specifications

General

Digital I/O Pins	17
Analog Input Pins	1
Wi-Fi	802.11 b/g/n
Operating Voltage	3.0V - 3.6V
Clock Speed	80 MHz / 160 MHz
Operating Temperature	-40°C to 125°C
Dimensions	24mm x 14mm
Processor	Tensilica L106 32-bit micro controller