Product Description The DHT11 Temperature and Humidity Sensor Module is a simple and cost-effective digital sensor for measuring temperature and relative humidity. It provides calibrated digital output via a single-wire interface, making it easy to integrate with Arduino, ESP32, STM32, and Raspberry Pi. With a temperature range of 0°C to 50°C and humidity range of 20% to 90% RH, the DHT11 is ideal for basic weather monitoring, indoor climate control, and IoT projects. It features a long service life, stable performance, and low power consumption. Available in Bangladesh from PowerMark Solution, this module is an excellent choice for beginner-friendly IoT and environmental monitoring applications. Features Measures temperature (0°C–50°C) and humidity (20%–90% RH) Digital output (single-wire communication) Pre-calibrated for accurate readings Low power consumption Stable performance and long life Operating voltage: 3.3V – 5V DC Compact and easy-to-use module Compatible with Arduino, ESP32, STM32, Raspberry Pi Affordable and beginner-friendly Applications Indoor climate monitoring Weather stations IoT-based smart home systems Greenhouse and agricultural monitoring HVAC automation projects Robotics and STEM education projects Technical Specifications Specification Details Model DHT11 Measurement Range Temp: 0°C – 50°C, Humidity: 20%–90% RH Accuracy Temp: ±2°C, Humidity: ±5% RH Output Type Digital (single-wire) Operating Voltage 3.3V – 5V DC Response Time ~2 seconds Module Size Compact PCB with 4-pin interface Package Includes 1 × DHT11 Temperature and Humidity Sensor Module Documentation Works with Arduino IDE (DHT library available). Compatible with ESP32, STM32, Raspberry Pi (Python libraries). Example codes available for IoT dashboards and data logging. FAQs Q1: What parameters does DHT11 measure?A: Temperature and relative humidity. Q2: What is the temperature range?A: 0°C to 50°C. Q3: What is the humidity range?A: 20% to 90% RH. Q4: What type of output does it provide?A: Digital (single-wire communication). Q5: Is it compatible with Arduino?A: Yes, with the DHT library. Q6: Can I use it with Raspberry Pi?A: Yes, using Python libraries. Q7: What is the accuracy of this sensor?A: ±2°C (temp), ±5% RH (humidity). Q8: Is it suitable for outdoor use?A: Works indoors; for outdoor, waterproof housing is recommended. Q9: Is it beginner-friendly?A: Yes, widely used in STEM and IoT projects. Q10: How fast does it respond?A: Around 2 seconds.
