Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Model Number	DHT11
Operating Voltage	3.3V - 5.5V DC
Temperature Range	0°C to 50°C
Humidity Range	20% to 90% RH
Temperature Accuracy	±2°C
Humidity Accuracy	±5% RH
Sampling Period	1 second
Interface Type	Single-wire Digital
Indicator Feature	Built-in Power LED
Compatible Platforms	Arduino, Raspberry Pi, ESP8266

6 reviews

Anonymous

Mar 27, 2026

Rating: 4/5

Good value for indoor monitoring

I used this to monitor humidity in my small greenhouse. It's accurate enough for general trends, though not precise enough for scientific experiments. Great price point.

Anonymous

Mar 26, 2026

Rating: 5/5

Great addition to smart home setup

Integrated this into my living room weather station. The LED indicator helps troubleshoot wiring issues quickly. Very satisfied with the purchase.

Anonymous

Mar 24, 2026

Rating: 5/5

Perfect for beginner projects

This DHT11 module works flawlessly with my Arduino Uno. The indicator light is a nice touch to confirm power connection. Setup was easy using standard libraries.

Anonymous

Mar 12, 2026

Rating: 3/5

Decent but limited range

It works well for basic needs, but keep in mind the humidity accuracy drops outside the 20-90% range. For the price, it's still a solid choice for education.

Anonymous

Mar 08, 2026

Rating: 4/5

Works as expected

Bought this for a university sensor network project. Data readings are consistent. Just remember the sampling rate is limited to once per second.

Anonymous

Mar 08, 2026

Rating: 5/5

Reliable and compact

The form factor is very small, making it easy to fit into tight enclosures. The single-wire interface saves GPIO pins on my ESP32 project. Highly recommended.

5 FAQ

Q: How long is the cable included with the module?

A: This item is typically sold as a bare board module without attached cables to allow for custom wiring lengths, but header pins are usually included for easy breadboard use.

Q: Is this module compatible with 3.3V logic levels?

A: Yes, the DHT11 module operates between 3.3V and 5.5V, making it fully compatible with both 3.3V and 5V microcontrollers.

Q: Does the indicator light stay on all the time?

A: Yes, the built-in LED indicates power status and will remain lit as long as the module is receiving voltage.

Q: Can this sensor be used outdoors?

A: While it can function outdoors, the DHT11 is not waterproof or dustproof. We recommend placing it inside a ventilated protective enclosure if used outside.

Q: What library should I use for Arduino?

A: The most popular library is 'DHT sensor library' by Adafruit, which is available directly in the Arduino Library Manager.

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