$ 2.43
Description Can detect ambient humidity and temperature Sensor DHT11 Humidity measuring range: 20% -95% (range 0 degrees -50 degrees) and humidity measurement error: – 5% Temperature measuring range: 0 degrees -50 degrees temperature measurement error: – 2 degrees 4 Operating Voltage 3.3V-5V Output Type Digital Output Has a fixed bolt hole for easy installation Small plates PCB size: 3.2cm * 1.4cm Power indicator (red) Each weighs about 8g Two module interface specification (3-wire) 1 VCC 3.3V-5V external 2 GND External GND 3 DO small board switch digital output interface connected to the microcontroller IO port
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