Master: ESP-01 / ESP-01S (this module does not include ESP-01 / ESP-01S)
Temperature and humidity sensor: DHT11
Operating voltage: DC 3.7 V-12 V (support 3.7 v lithium battery power supply)
Measuring range: 20-90% RH 0-50 ° C
Measurement accuracy: Temperature: ± 2 ° Humidity ± 5% RELATIVE HUMIDITY
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
Package includes:
1PCS * ESP8266 ESP-01 ESP-01S ESP01 DHT11 Temperature and Humidity Sensor module NodeMCU ESP8266 Wifi Smart Home IOT For Arduino DIY Kit
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On Dec-07-17 at 06:13:12 PST, seller added the following information: