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HiLetgo

HiLetgo DHT22/AM2302 Digital Temperature And Humidity Sensor Module Temperature Humidity Monitor Sensor Replace SHT11 SHT15 for Arduino Electronic Practice DIY

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, May 21
Order within 18 hours and 12 minutes
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Size: 1 Count (Pack of 1)


Features

  • Main Chip: AOSONG AM2302 High Sensitive Temperature Humidity Sensor
  • Single-bus digital signal output, bidirectional serial data
  • With fixing screw hole, convenient to install and fixed
  • Temperature range: -40 to 80 degree celsius, Temperature measurement accuracy: +/- 0.5C degree celsius
  • Humidity measuring range: 0~100%RH, Humidity measurement accuracy: 2%RH

Description

Size:1 Count (Pack of 1) Feature: DHT11 digital temperature and humidity sensor is a calibrated digital signal output temperature and humidity combined sensor, which application-specific modules capture technology and digital temperature and humidity sensor technology to ensure that products with high reliability and excellent long-term stability. No pullup resistor needed. Just plug right in to Arduino or ESP8266. Description: Main Chip:AM2302 Temperature range: -40 to 80 degree celsius Temperature measurement accuracy: +/- 0.5℃ degree celsius Humidity measuring range: 0~100%RH Humidity measurement accuracy: ±2%RH Ultra-low power consumption No additional components Excellent long-term stability Single-bus digital signal output, bidirectional serial data Completely interchangeable Long distance signal transmission Size: 28 x 12 x 10 mm (L / W / H) Screw hole diameter: 2.6mm Weight: 4g Package included: 1 DHT22/AM2302 Digital Temperature Humidity Sensor Module 1 DuPont wire


Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 4.4 x 2.6 x 0.04 inches; 0.16 Ounces


Item model number ‏ : ‎ 3-01-1190


Date First Available ‏ : ‎ December 9, 2016


Manufacturer ‏ : ‎ HiLetgo


Best Sellers Rank: #52,103 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #70 in Humidifier Accessories


#70 in Humidifier Accessories:


Customer Reviews: 4.6 out of 5 stars 448 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, May 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews

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Size: 1 Count (Pack of 1)
Not as pictured. The unit wasn't soldered — though that was actually the least of my problems. The sensor itself and the white protective cage were not included in my order. The bag had been opened previously and messily re-taped. EDIT: Now, after returning my order and posting this negative review, I'm getting incessant spam from them asking me to reconsider, which makes my overall experience with them even worse, and makes me wonder if the generally positive reviews they've gotten from others have been because of abuse that negative reviewers get. So, as a result of this abuse, I'm posting a link to a much better vendor for this product: Gowoops 2 PCS DHT22 Temperature Humidity Sensor Module Digital Measurement for Arduino Raspberry Pi 2 3 It's a better deal, and I get mine quickly with all components included. ... show more
Reviewed in the United States on March 7, 2018 by Jill
    • proper supply voltage is crucial...
Size: 2 Count (Pack of 1)
I've bought two sets of these so far, they're reasonably consistent in regards to the reported values. And they're comparable to DHT22's sold by others. Which is good because I use a number of these throughout my home. And the readings are consistent between individual sensors and the reported values are also consistent within a reasonable range. The supply voltage is crucial to these sensors regardless of the vendor. The part (DHT22/AM2302 w/o a board) is spec'd 3.2 or 3.3 to 5 volts. If you are running one of these from a ESP-12E or other MCU with an integrated 3.3v regulator then chances are it will work without issue. And at 5v they'll work without any problems. However, I'm running them from an ESP-01 and external LM1117 regulator board where the regulator is an SMT part. There I've found that the regulators can be off and supply a voltage as low as 3.0 volts. NOTE: The ESP-01 supply voltage is spec'd at 2.7 to 3.6v or 3.7v, depending on the information source. When the supply voltage is at 3.2 or lower the device will not report correctly. Depending on the exact supply voltage the device may either not work at all or intermittently report "NaN" when using the Arduino library. The solution I found for my devices (ESP-01 + LM1117 SMT) was to supply the DHT22 with 5v and use a BSS138 circuit to handle the 3.3v VS 5v sides of the circuit. This has worked extremely well and a "test" device has been running 24/7 with the modified circuit for 3 months without any reading errors. Before that the error rate was about 20 to 50%. Bottom line, this is an excellent sensor for most hobbyist applications. It has the required resistor & capacitor already on-board and the connecting wires are a nice addition. However, for my application I would have preferred male/female wires instead of female/female. I will purchase these again the next time I need some. ... show more
Reviewed in the United States on March 4, 2019 by j.m.
    • Convolutations but good results 🙆♂️🙆♂️🙆♂️
Size: 2 Count (Pack of 1)
Review Image by Wankabro
Review Image by Wankabro
Review Image by Wankabro
Description calls it DHT11 but title calls it a 22 but it's actually an asair AM3202 🤷🏻♂️🤷🏻♂️🤷🏻♂️🥴 Furthermore... PCB images from seller depict a 10K smd resistor but the schematic shows a 4.7k.. so which it's it? SMD lottery gave me a 4.7K did I win? 🤷🏻♂️🤷🏻♂️ Idk is it important? Yes, specifications are important because buyer's application will be very specific to their needs, and the resistor variance may require additional resistance depending on microprocessor and the miles and miles of sensor wire someone might use 😂. It does work tho, with Arduino DHT library but that's all I can tell you. It worked with my boards (node MCU & Arduino uno r3) with and without a 10K resistor, You can also attempt using a pull up function if the sensor will be close and if your board is capable and for some reason couldn't read it. There's also voltage confusion, this thing runs on 3-5V (6v you're pushing it) and this is polarity sensitive positive on the (+) and ground on the (-) pin on the sensor. You can power it with 3.3V... no read? Switch to 5V... no read? Power your board via VCC and GND and connect it in parallel to these if you're still having problems reading it change data pin or check code . That last VCC option is what SpongeBob refers to as "maximum powweerrrr!" And will depend on your power supply. On that note (HOTSWAPPERs BEWARE I don't take responsibility for the sparks and french fried smd smell in the back of your throat!) The out pin is the data pin and it goes to any gpio pin that is capable of reading the sensor on your board. (Do your HW) In conclusion: it's pretty good and gave reliable results, definitely more reliable than Rona testing and that works for me 🤔🙆🏻♂️, as shown it's slightly more accurate than the DHT11 and fairly close to the actual reading. Only time will tell what the reliability and lifespan of this sensor is. PS: if you dare try my super glue resistor soldering patch and achieve it without melting through the pins and still are able to connect it using jumpers 💀💀💀 I salute to you my fellow soldering enthusiast you're in a different league compared to these breadboard and cheesepin plebs! you've got mad soldering skills!!! 😈👍👍💪 ... show more
Reviewed in the United States on May 29, 2020 by Wankabro
    • Works great with the Blynk app and an ESP8266
Size: 2 Count (Pack of 1)
Review Image by Amazon Customer
Works great. Seems to be plenty accurate. I’m making an automated greenhouse with the small IKEA Socker greenhouse for some of my wife’s houseplants and this was the perfect sensor I needed. I’ve had a Nest Thermostat for years and trust the temperature reading on that to be accurate. So I put this sensor in the same room as my thermostat and let it sit for about 15 minutes. My thermostat is set to 65°F. This sensor reads 65.12°F as shown in the attached picture. Also if you haven’t used the Blynk app you should try it. It isn’t too hard to use and it makes Arduino IOT projects way more fun and simple. ... show more
Reviewed in the United States on January 8, 2020 by Amazon Customer
    • Works well on a ESP32
Size: 1 Count (Pack of 1)
Review Image by Allan
Put in my garage connected to a ESP32 to monitor temperature and humidity. Works very well. Ended up mounting the sensor part into a single keystone network jack wall plate and then onto a 2 x 4 box so it looked decent.
Reviewed in the United States on December 1, 2017 by Allan

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