Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Model	DHT20
Interface	I2C
Operating Voltage	1.8V - 5.5V
Temperature Range	-40°C to +80°C
Humidity Range	0% to 100% RH
Temperature Accuracy	±0.3°C
Humidity Accuracy	±2% RH
Response Time	< 2 seconds
Package Type	DFN-8
Upgrade From	DHT11

6 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Significant upgrade over DHT11

The I2C interface makes wiring much cleaner compared to the single-wire protocol of the DHT11. Readings are stable and respond quickly to changes in room humidity.

Anonymous

Mar 29, 2026

Rating: 5/5

Easy to integrate

Found plenty of libraries for ESP32 and Arduino. The code examples worked out of the box. Much more precise than the blue DHT11 I used previously.

Anonymous

Mar 23, 2026

Rating: 4/5

Good value for money

Solid performance for the price point. The only reason for 4 stars is that the pinout diagram on the module itself is a bit small to read without a magnifier.

Anonymous

Mar 17, 2026

Rating: 5/5

Reliable and fast

Using this in a weather station project. The response time is impressive, and the data consistency over the last month has been excellent.

Anonymous

Mar 12, 2026

Rating: 5/5

Perfect for my plant monitor

I replaced three old sensors with these DHT20 modules. The accuracy is noticeably better, especially in the lower humidity ranges which matters for my setup.

Anonymous

Mar 02, 2026

Rating: 4/5

Great sensor, check your pull-ups

Works flawlessly once I added the correct external pull-up resistors for the I2C lines. Make sure your microcontroller supports the address correctly.

5 FAQ

Q: How does the power consumption compare to DHT11?

A: The DHT20 is generally more power-efficient, especially in sleep mode, making it a better choice for battery-powered projects.

Q: What is the I2C address for this sensor?

A: The default I2C address for the DHT20 is typically 0x38. Please refer to the datasheet if you need to verify specific batch configurations.

Q: Does it come with header pins soldered?

A: No, this module is shipped with unsoldered header pins to allow for flexible mounting options. You will need to solder them yourself.

Q: Is this module compatible with 3.3V logic levels?

A: Yes, the DHT20 operates from 1.8V to 5.5V, making it fully compatible with both 3.3V and 5V microcontrollers like ESP32 and Arduino.

Q: Can I use this outdoors directly?

A: While the sensor element is robust, the breakout board itself is not waterproof. We recommend placing it inside a ventilated, weatherproof enclosure for outdoor use.

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