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
Output Signal	Digital Single Bus
Included Accessories	3x Dupont Wires (Female-to-Female)
Compatible Platforms	Arduino, Raspberry Pi, ESP8266, ESP32

6 reviews

Anonymous

Mar 27, 2026

Rating: 4/5

Solid budget option

Using this to trigger a fan when humidity gets too high. It's not the most accurate sensor on the market, but for automation triggers, it is completely sufficient and very affordable.

Anonymous

Mar 14, 2026

Rating: 4/5

Good value, basic accuracy

Great for general plant monitoring. It's not lab-grade precision, but for the price, it tells me when my greenhouse gets too dry. Setup took less than 10 minutes.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for beginner projects

This DHT11 module works flawlessly with my Arduino Uno. The included Dupont wires made connection incredibly easy without needing a breadboard immediately. Readings are consistent for indoor monitoring.

Anonymous

Mar 10, 2026

Rating: 5/5

Essential for school robotics kit

Bought five of these for a class project. All of them worked out of the box. The compact size fits perfectly into our 3D printed enclosure designs.

Anonymous

Mar 06, 2026

Rating: 5/5

Reliable and easy to code

The library support for this sensor is excellent. I had data logging up and running in Python on my Raspberry Pi within an hour. No issues with connectivity so far.

Anonymous

Mar 01, 2026

Rating: 3/5

Works but slow response

The sensor functions as described, but remember it only updates once per second. If you need fast real-time changes, look at the DHT22 instead. For static room monitoring, this is fine.

5 FAQ

Q: How often does the sensor sample data?

A: The DHT11 has a sampling rate of 1Hz, meaning it provides a new reading once every second. You should not query it faster than this interval to avoid communication errors.

Q: Do I need to buy a separate resistor for this module?

A: No, this breakout module already includes the necessary pull-up resistor on the board. You can connect it directly to your microcontroller without additional components.

Q: Can this sensor be used directly with a 3.3V microcontroller like the ESP32?

A: Yes, the DHT11 module operates within a voltage range of 3.3V to 5.5V, making it fully compatible with 3.3V logic systems like the ESP32 and ESP8266.

Q: Is this sensor waterproof or suitable for outdoor use?

A: No, the DHT11 module is not waterproof. It should only be used in dry, indoor environments. For outdoor use, please house it in a weatherproof enclosure with ventilation.

Q: What is the maximum cable length recommended for the Dupont wires provided?

A: The included Dupont wires are short (approx. 20cm) for direct board connection. For longer distances, we recommend using shielded cables and keeping the length under 20 meters to prevent signal degradation.

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