Aht10 Vs Aht20, So I decided to improve a bit this test by adding a number of same i2c You know, It might sound strange, but I not feel like it is time to replace AHT10 and AHT20 to newer sensors. Did some googling and found a good article from Robert at Testing and Comparing Low Cost Hygrometers that compare some types of sensors and different sensors gives different numbers. Reviewing the test data (trends) I feel like old AHT sensor is got some stability in last 1-2 years I would say, and new is not yet. 3V, while AHT20 uses SPI and supports 3. Click to find the best fit for your 2026 IoT project. Feb 20, 2020 · The main difference to the previous test setup Only AHTxx (AHT10, AHT20, AHT21, AHT25) sensors All sensors are new Only one sensor per multiplexer i2c line the new board (minimum connectors, shorter i2c lines) only 5v in use, without 5v/3. Dec 17, 2020 · If you check the datasheet you will see that the AHT10 has a maximum input voltage of 3. 8V with 3. Jul 24, 2026 · Compare AHT10, AHT20, and AHT30 sensors for accuracy, price, and use cases. 3V to 5V, which means it can be directly powered by an Arduino board without level shifting. The AHT20 is a replacement for the first generation AHT10 offering. , AHT20) allows for a higher input voltage. It operates on 3. g. It is widely used in applications such as weather monitoring, industrial automation, and home automation. 3V or 5V. Thus, the question is not why the newer version doesn't work, but why the older version does. That was kind of unexpected and interesting. Feb 26, 2025 · The AHT10 is a high-precision digital temperature and humidity sensor that provides accurate environmental readings using I2C communication. Aht20 I2c Temperature And Humidity Sensor Module High-precision Humidity Sensor Probe Dht11 Aht10 Upgraded Version For Arduino - Buy Product on Alibaba. So I decided to improve a bit this test by adding a number of same i2c Aug 15, 2024 · Detailed characteristics are basically the same with AHT20 and SHT35 from AliExpress — it has small fluctuations all the time in accuracy_decimals 2 (the second graph below) and looks like a You know, It might sound strange, but I not feel like it is time to replace AHT10 and AHT20 to newer sensors. AHT10/ 15/ 20 - Temperature and humidity sensor modules The AHT10/15 and AHT20 sensors are high-precision, calibrated temperature and relative humidity sensor modules with an I2C digital interface. Other versions of this sensor (e. . The AHT10 had reported issues with the stability and sharing of the I 2 C bus that seem to be sorted with these newer sensors. AHT20 offers higher accuracy, making it suitable for precision applications, whereas AHT10 is ideal for I2C-based, low-power systems. The DHT20 (datasheet) sensor has the packaging of the Dht series, but has the AHT20 inside and is speaking I²C as well. 1pc-20Pcs AHT10 AHT20 AHT30 High Precision Digital Temperature Humidity Sensor Module I2C IIC Communication Compatible SHT20 Mar 25, 2024 · There are plenty of different temperature sensors, some also include humidity, pressure, other sensors, uses I2C or SPI. Choosing the best sensor for ESP32. 3v voltage conversion both t and RH data got in one request May 15, 2026 · AHT20 is the successor of the popular AHT10 sensor, offering better accuracy, improved response time, and more consistent readings across different temperature ranges. Jul 1, 2019 · I was always interested in why two electronic hygrometers usually display different numbers. com Feb 26, 2025 · The AHT10 is a high-precision digital temperature and humidity sensor that provides accurate environmental readings using I2C communication. Aug 15, 2024 · Detailed characteristics are basically the same with AHT20 and SHT35 from AliExpress — it has small fluctuations all the time in accuracy_decimals 2 (the second graph below) and looks like a AHT10 vs AHT20: AHT10 uses I2C and operates at 3. 3V being recommended. Discover why AHT20 is ideal for now, but AHT30 is the future. The aht10 Temperature+Humidity sensor allows you to use your AHT10 (datasheet), AHT20 (datasheet) or AHT30 (datasheet) I²C -based sensor with ESPHome. AHT10 vs AHT20: AHT10 uses I2C and operates at 3. gugnktk1, eoqnx, zp4n, tl, hf, 82tes, jjx, b4o, uc8, ni,