Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Type | AHT20 (Temp/Humidity) + BMP280 (Pressure) |
| Communication Protocol | I2C Interface |
| Operating Voltage | 3.3V to 5V DC |
| Temperature Range | -40°C to 85°C |
| Humidity Range | 0% to 100% RH |
| Pressure Range | 300 to 1100 hPa |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| Module Dimensions | 22mm x 17mm x 3mm |
| Pin Spacing | 2.54mm Standard Header |
Anonymous
Mar 31, 2026
Rating: 5/5
High Precision
Noticed very stable humidity readings compared to my old sensor. Great value for the dual functionality.
Anonymous
Feb 22, 2026
Rating: 4/5
Good Value
Works as expected, shipping took a bit long but the product quality makes up for it.
Anonymous
Feb 12, 2026
Rating: 5/5
Perfect for Home Automation
Integrated easily with my ESP8266 project. The I2C addresses do not conflict and readings are stable.
Anonymous
Feb 09, 2026
Rating: 5/5
Compact Design
Fits perfectly in my small enclosure. The pin headers were already soldered which saved time.
Anonymous
Jan 25, 2026
Rating: 5/5
Reliable Sensor
Been running for a month without issues. Pressure data helps calibrate my weather station.
Q: Is this module 5V tolerant?
A: Yes, the module includes a regulator and is safe for 3.3V and 5V logic systems.
Q: What are the default I2C addresses?
A: AHT20 is typically 0x38 and BMP280 is 0x76. They can coexist on the same bus.
Q: Which Arduino libraries are compatible?
A: Standard Adafruit BMP280 and AHT20 libraries work well with this module.
Q: Can I use this module outdoors?
A: The module itself is not waterproof. Please use a weatherproof enclosure for outdoor installation.
Q: Does it come with pin headers?
A: Yes, soldered pin headers are included in the package for easy breadboard use.
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