Future Electro
srs dht /hw036/ humidity sensor
srs dht /hw036/ humidity sensor
Regular price
Rs. 300.00
Regular price
Rs. 449.00
Sale price
Rs. 300.00
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The DHT11 sensor module (HW036) is a low-cost, basic digital sensor used to measure temperature and relative humidity. It is widely used in DIY projects and home automation with microcontrollers like Arduino and Raspberry Pi.
Key Features and Specifications
- Operating Voltage: 3.3V to 5.5V DC
- Power Consumption: 0.3mA during measurement, 60µA on standby
- Output Type: Single-wire digital signal
- Temperature Range: 0°C to 50°C (32°F to 122°F)
- Temperature Accuracy: ±2°C
- Humidity Range: 20% to 90% RH
- Humidity Accuracy: ±5% RH
- Sampling Rate: No more than 0.5 Hz (one reading every 2 seconds)
- Dimensions: Typically around 28mm x 13.5mm x 7mm for the module version
Module Pinout and Interfacing
The sensor module (like the HW036 or KY-015 versions) integrates the necessary pull-up resistor and filter capacitors on the printed circuit board (PCB), simplifying connections. It typically has three usable pins:
- VCC (+): Connects to 3.3V or 5V power supply.
- Data Out (Out): Connects to a digital I/O pin on the microcontroller.
- GND (-): Connects to the ground pin of the circuit.
Interfacing it with microcontrollers like an Arduino requires using a specific library (such as the DHT library) that handles the precise timing of the single-wire communication protocol.
