Looking for Hr202 Module? HR202 Humidity Detection Sensor Module is available at Zbotic with fast shipping across India.
Description:
HR202 Humidity Detection Sensor Module
This module uses a high-quality HR202 humidity sensor. The comparator outputs a clear and stable signal with a driving ability of more than 15mA.
The humidity sensor module responds to the environmental humidity. By adjusting the potentiometer, you can set a threshold for the humidity level (i.e. the humidity control). For example, if you want to maintain the ambient humidity at 60%, you can turn the module until the green light is on and the humidity is within the range. When the humidity is above the threshold, the DO output is high and the green light is off.
The DO output can be directly connected to a microcontroller to detect the high and low levels of the signal, which indicate the changes in the humidity of the environment.
The DO output can also drive a relay module to form a humidity switch, which can control other devices to operate in a suitable environment.
The AO analog output of the module can be connected to an AD converter to get a more precise numerical value of the ambient humidity. The module has 3mm screw holes for easy installation.
Features
- Adjustable Sensitivity, External GND.
- Detect Ambient Humidity.
- Provided with Fixed Bolt Hole, Convenient to Install.
- Power Indicator Light & Digital Output Indication Lamp.
- Using LM393 Chip for Stable Work.
- DO Small Digital Outputs Interface (0 & 1).
- Adjustable trigger level from preset.
- LEDs indicating output and power.
Specification-
| IC Chip | HL-01 |
|---|---|
| Operating voltage (v) | 3.3 ~ 5V DC |
| Operating Current | 15mA |
| Humidity Range | 20 ~ 95%RH |
| Output Digital | 0V or 5V, |
| Length (mm): | 51 |
| Width (mm) | 15 |
| Height (mm) | 7 |
| Weight (gm) | 5 |
Package Includes
- 1 x HR 202 Humidity Detection Sensor Module.
HR202 Humidity Detection Sensor Module Overview
The HR202 Humidity Detection Sensor Module is a compact board built around the high-quality HR202 humidity sensor and LM393 comparator chip. It monitors ambient humidity and provides a clear digital output that switches state when the humidity crosses an adjustable threshold.
Key Features of HR202 Humidity Detection Sensor Module
- Adjustable sensitivity via onboard potentiometer for precise humidity threshold control
- Digital output (DO) indicating humidity above or below the set point (0 & 1)
- Power indicator LED and separate digital output status lamp for quick visual feedback
- Stable operation with LM393 comparator chip and drive capability over 15 mA
- Fixed bolt hole design for easy mounting in enclosures or panels
- Genuine product with fast shipping from Zbotic across India
Applications and Use Cases
- Automated humidifier or dehumidifier control in home and office environments
- Humidity monitoring in greenhouses and indoor gardens
- Integration into DIY weather stations for real-time humidity alerts
- Environmental control in incubators and fermentation chambers
- Humidity threshold alarms for electronics enclosures and storage cabinets
- Industrial process monitoring where maintaining a specific humidity range is critical
How to Use HR202 Humidity Detection Sensor Module
Connect the module’s VCC pin to a stable 5 V DC supply and GND to ground, then wire the DO pin to your microcontroller or relay input. Mount the sensor using its fixed bolt hole, power up, and turn the onboard potentiometer until the output LED toggles at your desired humidity level. When ambient humidity rises above the set threshold, the DO signal goes HIGH; it returns LOW when humidity falls below the threshold.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What supply voltage does the HR202 module require?
The HR202 module typically operates from a 5 V DC supply. Connect VCC to 5 V and GND to ground to ensure stable operation of the LM393 comparator.
How do I set the humidity threshold on the module?
Rotate the onboard potentiometer while observing the digital output LED. When the LED toggles at your target humidity level, the threshold is adjusted to that point.
How is the digital output signal interpreted?
The DO pin goes HIGH (1) when ambient humidity exceeds the set threshold and LOW (0) when it is below, allowing direct interfacing with microcontrollers, relays, or alarm circuits.
GPS Accuracy Comparison: NEO-6M vs NEO-M8N vs NEO-M9N
If you have ever shopped for a GPS module for your drone, robot, vehicle tracker, or IoT asset...
Read More →
GY-521 MPU6050 Calibration: Offset Correction Tutorial
The GY-521 MPU6050 is one of the most popular 6-axis inertial measurement units (IMU) used in Arduino projects...
Read More →
Analog vs Digital Sensor Output: ADC Resolution Explained
Table of Contents Why Sensor Output Type Matters Analog Sensor Output Fundamentals Digital Sensor Output Fundamentals ADC Resolution:...
Read More →Technical Specifications
| Model | HR202 |
|---|---|
| SKU | AI0660 |
| Weight | 0.003201 kg |
| Availability | Out of Stock |
Applications & Use Cases
The HR202 Humidity Detection Sensor Module is a versatile temperature & humidity sensor used across a wide range of applications including weather stations, greenhouse monitoring, HVAC systems, cold chain logistics, and server room monitoring.
Common use cases:
- Building a home weather station with Arduino
- Monitoring greenhouse conditions via IoT
- Alerting when server room temperature exceeds threshold
This product is ideal for IoT developers, agricultural engineers, and home automation enthusiasts.
Technical Tip: DHT22 offers better accuracy than DHT11. For precision applications, use SHT31 or BME280. Ensure adequate ventilation around the sensor.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Divyansh Kohli (verified owner) –
This HR202 Humidity Detection Sensor is a must-have for sensor projects. Plug and play with Arduino.
Sunil Gupta (verified owner) –
Good quality HR202 Humidity Detection Sensor. Some variation in readings but within acceptable range.
Sanjay Hegde (verified owner) –
Good quality HR202 Humidity Detection Sensor. Some variation in readings but within acceptable range.
Sumit Solanki (verified owner) –
Excellent HR202 Humidity Detection Sensor! Readings are accurate and consistent. Perfect for my project.
Bhavna Thakur (verified owner) –
Good HR202 Humidity Detection Sensor. Works as described. Calibration needed some patience but results are good.
Kavya Bajaj (verified owner) –
Superb HR202 Humidity Detection Sensor! Using it in my environmental monitoring system. Very reliable data.
Lalit Goyal (verified owner) –
Great HR202 Humidity Detection Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Tejas Das (verified owner) –
Perfect for my weather station. This HR202 Humidity Detection Sensor gives consistent readings day and night.
Abhishek Bisht (verified owner) –
Perfect HR202 Humidity Detection Sensor for my automation project. Integrates seamlessly with my microcontroller.
Hitesh Chopra (verified owner) –
Good HR202 Humidity Detection Sensor. Works as described. Calibration needed some patience but results are good.
Ashwin Kamath –
Great HR202 Humidity Detection Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Aditi Bhandari (verified owner) –
Good quality HR202 Humidity Detection Sensor. Some variation in readings but within acceptable range.
Sanjay Pillai (verified owner) –
Outstanding accuracy from this HR202 Humidity Detection Sensor. Compared with a professional instrument, readings match closely.
Tanmay Nayak (verified owner) –
Decent HR202 Humidity Detection Sensor for the price. Requires proper wiring but works well once set up.
Sunil Arora (verified owner) –
Good HR202 Humidity Detection Sensor. Works as described. Calibration needed some patience but results are good.
Akshat Dhillon –
Outstanding accuracy from this HR202 Humidity Detection Sensor. Compared with a professional instrument, readings match closely.
Piyush Grewal (verified owner) –
Nice HR202 Humidity Detection Sensor. Readings are mostly accurate. Good enough for my hobby project.
Vinay Pillai (verified owner) –
Pretty good HR202 Humidity Detection Sensor. Documentation could be better but the sensor itself is solid.
Nitin Hegde (verified owner) –
Perfect HR202 Humidity Detection Sensor for my automation project. Integrates seamlessly with my microcontroller.
Pooja Patel (verified owner) –
Great HR202 Humidity Detection Sensor. Using it in my smart agriculture system. Reliable measurements every time.
Harshit Gupta (verified owner) –
Excellent HR202 Humidity Detection Sensor! Readings are accurate and consistent. Perfect for my project.