Laser Diode Module
৳100
DHT11 Temperature and Humidity Sensor Module
৳178
The DHT11 Temperature & Humidity Sensor Module is a low-cost digital sensor that measures both ambient temperature and relative humidity. It outputs calibrated digital signals, making it beginner-friendly and highly reliable for basic environment monitoring.
Commonly used in IoT projects, smart homes, weather stations, greenhouses, and industrial monitoring systems, the DHT11 is compatible with Arduino, ESP32, ESP8266, STM32, and Raspberry Pi. With its easy-to-use single-wire interface, students and hobbyists in Bangladesh can quickly set up real-time temperature and humidity tracking.
Affordable, compact, and versatile — the DHT11 is a must-have sensor for DIY electronics and environmental monitoring applications.
The DHT11 Temperature & Humidity Sensor Module is an excellent choice for building a digital thermometer or weather station with Arduino or other microcontrollers. This sensor can measure both temperature and humidity simultaneously without requiring additional components, making it simple and beginner-friendly.
The DHT11 integrates a resistive humidity sensor and an NTC temperature sensor, managed by a high-performance 8-bit microcontroller. Using digital signal acquisition and advanced sensing technology, it provides calibrated digital output, ensuring high reliability, fast response, and long-term stability.
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
Pin Description
1, the VDD power supply 3.5～5.5V DC
2 DATA serial data, a single bus
3, NC, empty pin
4, GND ground, the negative power
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
Pin Description
1, the VDD power supply 3.5～5.5V DC
2 DATA serial data, a single bus
3, NC, empty pin
4, GND ground, the negative power
