• Humidity Sensor Module HR202 - circuitrocks
  • Humidity Sensor Module HR202 - circuitrocks
  • Humidity Sensor Module HR202 - circuitrocks
1 3

Measure Temperature and Heat with Reliable Sensor Feedback

The Humidity Sensor Module HR202 is a humidity sensor designed for temperature logging, thermal control, weather nodes, and equipment monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Working voltage: 3.3V to 5V; Interface: Digital GPIO.

Important: Sensor response time depends on airflow, mounting, and thermal contact. Keep heat sources and self-heating from nearby parts in mind.

Why you’ll love it

  • Key feature: Digital output and you can change when to output 1 and 0.
  • Humidity Sensor Module - HR202 x1: Humidity Sensor Module - HR202 x1
  • Power range: 3.3V to 5V
  • Compact size: 3.2cm X 1.4cm
  • Easy wiring: Digital GPIO
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics

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What you can build

This sensor is a good fit for thermostats, incubators, weather stations, battery packs, 3D printer enclosures, and cold-chain logging.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include probe mounts, thermal paste if needed, and a data logger, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Humidity Sensor Module HR202
Working voltage 3.3V to 5V
PCB Dimension 3.2cm X 1.4cm
Interface Digital GPIO
Category thermal heat temperature sensors

Wiring & usage notes

Connect power and ground, then wire the output pin to a digital GPIO input. Check whether the module uses active-high or active-low logic in your code. Sensor response time depends on airflow, mounting, and thermal contact. Keep heat sources and self-heating from nearby parts in mind.

What’s in the box

1 × Humidity Sensor Module HR202

Frequently Asked Questions

What does the Humidity Sensor Module HR202 measure? It is designed to measure humidity.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Digital GPIO sensor? This sensor provides a digital switching-style signal that is easy to read from a GPIO pin.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Humidity Sensor Module HR202 - Resistive Humidity

Humidity Sensor Module HR202 - Resistive Humidity

82 in stock

Product Code

AB222

₱ 55.00
₱ 55.00
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