Laser Diode Module
৳100
DHT11 Sensor Module
৳295
The DHT11 Sensor Module is a simple, affordable, and reliable solution for measuring temperature and humidity. With its digital output and built-in signal processing, it’s easy to use in Arduino, ESP32, and Raspberry Pi projects.
Ideal for weather stations, home automation, greenhouses, and IoT applications, this compact module is popular among students, hobbyists, and professionals in Bangladesh.
The DHT11 Temperature & Humidity Sensor combines a calibrated digital output with reliable sensing technology for accurate environmental monitoring. It integrates a resistive humidity sensor and an NTC temperature sensor, managed by a high-performance 8-bit microcontroller. With its fast response, strong anti-interference capability, and long-term stability, the DHT11 is a cost-effective choice for a wide range of applications.
Pin Description
GND = Negative Power (Ground)
VCC = Power Supply 3.5～5.5V DC
DOUT = Serial Data, a single bus
Relative Humidity
Resolution: 16Bit
Repeatability: ±1% RH
Accuracy: At 25℃ ±5% RH
Interchangeability: fully interchangeable
Response time: 1 / e (63%) of 25℃ 6s 1m / s air 6s
Hysteresis: <± 0.3% RH
Long-term stability: <± 0.5% RH / yr in
Temperature
Resolution:16Bit
Repeatability: ±0.2℃
Range: At 25℃ ±2℃
Response time: 1 / e (63%) 10S
Electrical Characteristics
Power supply: DC 3.5～5.5V
Supply Current: measurement 0.3mA standby 60μ A
Sampling period: more than 2 seconds
