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
Cable Length	15 cm (3-pin)
Compatibility	Arduino, Raspberry Pi, ESP8266

6 reviews

Anonymous

Mar 31, 2026

Rating: 4/5

Good for basic monitoring

I used this to monitor humidity in my small greenhouse. It's not laboratory grade, but for the cost, it gives a good general idea of the conditions. Just remember it has a slow sampling rate.

Anonymous

Mar 23, 2026

Rating: 3/5

Decent but limited range

Works well for indoor room temperature, but don't expect it to work outside in freezing temperatures or extreme humidity. Stick to the specs and you will be happy.

Anonymous

Mar 20, 2026

Rating: 5/5

Bulk buy success

Bought ten of these for our workshop class. All of them functioned correctly. The 3-pin connector is sturdy enough for repeated plugging and unplugging on breadboards.

Anonymous

Mar 14, 2026

Rating: 5/5

Reliable and easy to code

Integrated this with an ESP32 for a smart home dashboard. The digital signal is clean and easy to parse. No noise issues compared to analog sensors I've used before.

Anonymous

Mar 11, 2026

Rating: 4/5

Works great with Raspberry Pi

Connected easily to GPIO pins on my Pi 4. Make sure you have the pull-up resistor configured correctly in your code, though many libraries handle this automatically. Solid sensor.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for beginner projects

This DHT11 module worked straight out of the box with my Arduino Uno. The included cable made wiring very simple, and the library examples ran without any issues. Great value for the price.

5 FAQ

Q: Does this module come with a pull-up resistor built-in?

A: Yes, the PCB module typically includes a surface-mount pull-up resistor, so you can connect it directly to your microcontroller without adding external components.

Q: Does this work with 3.3V logic levels like the ESP8266?

A: Yes, the DHT11 operates comfortably within the 3.3V to 5.5V range, making it fully compatible with 3.3V boards like the ESP8266 and ESP32 without level shifters.

Q: What is the maximum cable extension length supported?

A: While the included cable is 15cm, the digital signal can generally support extensions up to 20 meters if using high-quality shielded cable, though shorter lengths are recommended for stability.

Q: Can I use this sensor outdoors in the rain?

A: No, the DHT11 is not waterproof or weatherproof. It should only be used in dry, indoor environments or inside a protective enclosure if used outside.

Q: Is there a difference between the white and blue versions of this sensor?

A: The color of the plastic housing usually indicates the manufacturer batch but does not affect performance. Both white and blue DHT11 modules share the same technical specifications.

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