Description
Reviews
| 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 |
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.
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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