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This sensor module utilizes DHT11 as the sensitive component and has a bypass capacitor and a pull-up resistor on-board. The DHT11 is a pre-calibrated digital output temperature and humidity sensor. The single-wire wiring scheme makes it easy to be integrated to other applications. The simple communication protocol greatly reduces the programming effort required.
Specification:
Power supply voltage: 3.3~5.5V DC
Output: the single bus digital signal
Measuring range: 20-90%RH humidity, temperature 0~50°
The measurement accuracy of +-5%RH: humidity, temperature +-2 °
Resolution: 1%RH humidity, temperature 1 °
Exchangeability: fully interchangeable
Long term stability: Size: 28 * 12 * 7.2mm
Interface Description:
1.VCC:External 3.3 V-5 V
2.GND:External GND
3.DO:Small board switch digital output interface, connect the microcontroller IO port
Package Included:
5* DHT11 Module
5* Dupont Cable
J. B.
Reviewed in the United States on January 2, 2025
They are cheap and work fine, but don't expect high levels of accuracy or consistent readings between 10 of these.But they aren't WAY inaccurate, they work fine for educational or roughly accurate projects.
milo 1512
Reviewed in the United States on May 8, 2024
I recently used this DHT11 Temperature and Humidity Sensor Module in several projects, and I'm thrilled to share my positive experience! As a maker and DIY enthusiast, I've found this module to be an excellent addition to my toolkit.*Why I love it:*1. **Easy to use**: The DHT11 is incredibly simple to integrate into your project, requiring only a single digital input pin on your microcontroller. It is currently being used to monitor the humidity and Attic temperatures.2. **Accurate readings**: This sensor provides reliable and accurate temperature and humidity readings, making it perfect for a wide range of applications.3. **Low power consumption**: With a low power draw, this module won't drain your batteries or add unnecessary complexity to your project.4. **Affordable**: The DHT11 is an incredibly affordable solution for temperature and humidity sensing, making it accessible to makers and hobbyists of all levels.*Real-world applications:* + Home automation projects (e.g., monitoring indoor climate) such as your attic space, garage space, outdoor space etc. + Environmental monitoring (e.g., weather station or air quality tracking) + Maker and DIY projects that require temperature and humidity sensing**In conclusion**, I'm thoroughly impressed with the DHT11 Temperature and Humidity Sensor Module. Its ease of use, accuracy, low power consumption, and affordability make it an excellent choice for anyone looking to add temperature and humidity sensing capabilities to their project.
InitiateBio
Reviewed in the United States on November 27, 2024
Out of box this required some calibration offset and linear scaling adjustments in my script, as expected. For the price I cannot complain at all! Good enough for my application, and if need be calibration is possible. 10/10!
Zachary Zion
Reviewed in the United States on January 18, 2024
The media could not be loaded.
Customer
Reviewed in the United States on May 15, 2023
I'm using these with esp32 and they are working great. Great value for simple sensors and they are reliable. They are easy to setup in esphome on home assistant.
Jewel Engineering
Reviewed in the United States on September 3, 2020
Just to clarify another negative review, the sensor actually has 16 bit resolution and reports with 0.1 deg C resolution when used with the Adafruit DHT_Unified_Sensor demo code with an Arduino. While the absolute accuracy may not be great (a degree or two C), the repeatability seems quite good, as others have reported. I'm guessing the reviewer who had a bad experience and only saw 1 deg C resolution was using a library that didn't take advantage of the sensor resolution, or potentially used print statements designed for integers instead of floating point numbers.I haven't tried it with a Raspberry Pi, but with that 1-Wire interface, it should also work quite well, but be aware that the minimum supply voltage is 3.6V, so you would need to power it from the 5V rail and use a level shifter to interface with a 3.3 V logic pin on the Pi.
Patient0x00
Reviewed in the United States on February 2, 2020
I’ve used those sensors as per of a project by attaching them to raspberry pi. Worked great but the first one I picked up was DOA. I’ve picked the next one and everything worked. Sending all 5 back would be a problem for my project so decided to forfeit that one.
Alucard
Reviewed in Australia on February 18, 2019
Nice little probe, the temp variance seems to be more than 2% in my initial testing.
London
Reviewed in the United States on December 11, 2019
Wish it had come with a sample code or link to directory of such. Worked as intended but the code I used (python) would return “none” values or erratic values if the device was scanned too much too quickly. I’ve had it declare 140% humidity at 10c from one second to 50% at 20c the next. I guess there is a wait period before new values are pulled. Would help the reception of the product if the shipper included specific coding example.
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