Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5V DC |
| Temperature Range | 0°C to 50°C |
| Humidity Range | 20% to 90% RH |
| Accuracy (Temp) | ±2°C |
| Accuracy (Humidity) | ±5% RH |
| Sampling Period | 1 second |
| Interface | Single-bus digital |
| Pin Count | 3 Pins (VCC, Data, GND) |
| Body Material | Plastic housing with protective mesh |
| Compatibility | Arduino, Raspberry Pi, ESP8266, ESP32 |
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect for beginner projects
This DHT11 module is exactly what I needed for my first Arduino weather station. The wiring is straightforward, and the library support is excellent. Readings are stable enough for indoor monitoring.
Anonymous
Mar 30, 2026
Rating: 5/5
Reliable and cheap
Bought five of these for a university project. All of them worked out of the box. The single-bus interface saves GPIO pins which was crucial for our design.
Anonymous
Mar 10, 2026
Rating: 4/5
Good value but limited range
Works great for basic home automation tasks. Just remember that the temperature range stops at 50°C, so it's not suitable for high-heat environments like ovens. For room temp, it's solid.
Anonymous
Mar 10, 2026
Rating: 4/5
Decent humidity tracking
Using this to monitor my greenhouse. The humidity readings seem consistent with my standalone hygrometer. Response time is a bit slow (about 2 seconds), but acceptable for this price point.
Anonymous
Mar 04, 2026
Rating: 3/5
Works but not precision grade
It does what it says on the tin. Don't expect lab-grade accuracy; there is a noticeable variance compared to professional equipment. However, for triggering fans or lights based on general conditions, it is perfect.
Anonymous
Mar 01, 2026
Rating: 5/5
Easy to code
I was worried about the programming part, but there are tons of tutorials online. Got it running in under 10 minutes. Great entry-level sensor.
Q: What library do you recommend for Arduino?
A: The most popular and reliable library is 'DHT sensor library' by Adafruit. It is available directly in the Arduino Library Manager.
Q: Is this compatible with 3.3V logic boards like ESP8266?
A: Yes, the operating voltage range is 3.3V to 5V, making it fully compatible with both 5V boards (like Arduino Uno) and 3.3V boards (like ESP8266 or ESP32).
Q: Can this sensor be used outdoors directly in the rain?
A: No, the DHT11 module is not waterproof. While it has a protective mesh, it should be housed in a weatherproof enclosure if used outside to prevent water damage.
Q: Does this come with a pull-up resistor?
A: Most modules, including this one, have an onboard pull-up resistor integrated into the PCB, so you usually do not need to add an external one.
Q: How often can I read data from this sensor?
A: The DHT11 has a sampling rate of 1Hz, meaning you should wait at least 1 second between readings to ensure accurate data and avoid communication errors.
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