Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Type | I2C |
| Operating Voltage | 3.3V - 5V DC |
| Temperature Range | -40°C to 85°C |
| Humidity Range | 0% to 100% RH |
| Pressure Range | 300 to 1100 hPa |
| Communication Protocol | I2C / TWI |
| PCB Dimensions | 22mm x 17mm x 3mm |
| Temperature Accuracy | ±0.3°C |
| Humidity Accuracy | ±2% RH |
| Package Weight | 5 grams |
Anonymous
Apr 07, 2026
Rating: 5/5
Great for Learning
Bought this for my university sensor project. Documentation online is plentiful and easy to follow.
Anonymous
Apr 01, 2026
Rating: 5/5
Accurate Pressure Data
Used this for a home weather station. The BMP280 pressure readings match my local airport data very closely.
Anonymous
Mar 22, 2026
Rating: 5/5
Compact Design
Very small footprint which helped fit everything into my custom enclosure. Highly recommended.
Anonymous
Mar 22, 2026
Rating: 5/5
Perfect for IoT Projects
Integrated seamlessly with my ESP32. Readings are stable and the I2C address didn't conflict with my OLED display.
Anonymous
Mar 18, 2026
Rating: 4/5
Good Module, Check Wiring
Works well but make sure you pull up the SDA and SCL lines if your microcontroller doesn't have internal ones.
Q: Does this module come with header pins?
A: Yes, the package includes a set of male header pins for easy breadboard connection.
Q: Can I power this with 5V directly?
A: Yes, the module includes a voltage regulator allowing operation between 3.3V and 5V.
Q: Is this sensor waterproof?
A: No, the module is not waterproof. Please use an appropriate enclosure if using outdoors.
Q: Is there a library available for Arduino?
A: Yes, you can use the standard Adafruit BMP280 library and the AHT20 library available in the Arduino Library Manager.
Q: What is the default I2C address?
A: The BMP280 default address is 0x76 and the AHT20 default address is 0x38.
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