Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Model | BME280 / BMP280 Compatible |
| Interface Type | TTL Serial (UART) |
| Operating Voltage | 3.3V - 5V DC |
| Temperature Range | -40°C to +85°C |
| Humidity Range | 0% to 100% RH (BME280 only) |
| Pressure Range | 300 hPa to 1100 hPa |
| Communication Baud Rate | 9600 bps (Default) |
| PCB Dimensions | 22mm x 17mm x 4mm |
| Mounting Holes | 4x M2.5 Standoff Holes |
| Application Grade | Industrial & DIY Electronics |
Anonymous
Mar 26, 2026
Rating: 4/5
Easy to integrate
Documentation could be slightly more detailed regarding command sets, but standard UART communication works flawlessly with Arduino and Raspberry Pi.
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable humidity tracking
Been running this in my automated greenhouse controller for three weeks. No drift in humidity readings yet. The serial output makes integration with my PLC very simple.
Anonymous
Mar 22, 2026
Rating: 4/5
Solid industrial performance
Accuracy is quite good for the price point. I compared it against a calibrated lab instrument and the variance was minimal. Only wish the cable was a bit longer.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for UART projects
I needed a sensor that didn't require I2C wiring complexity for my legacy system. This TTL serial module worked straight out of the box. The data output is clean and easy to parse.
Anonymous
Mar 07, 2026
Rating: 5/5
Great for altitude logging
Using this on a custom drone build to log atmospheric pressure changes. The response time is fast enough for real-time altitude adjustments. Highly recommended.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent value
We bought ten of these for a student project. All units were consistent in their readings. The build quality feels robust enough for repeated handling.
Q: How do I power this module?
A: You can power the module by connecting the VCC pin to any DC source between 3.3V and 5V and the GND pin to your system ground.
Q: What is the default baud rate for the serial communication?
A: The factory default baud rate is set to 9600 bps. This can typically be changed via specific command strings if your project requires higher speeds.
Q: Does this module support both I2C and SPI?
A: This specific model is configured for TTL Serial (UART) output only to simplify integration. It does not expose I2C or SPI pins on this board layout.
Q: Can I use this with a 5V Arduino Uno directly?
A: Yes, the module operates within a 3.3V to 5V range, so you can connect it directly to the 5V logic levels of an Arduino Uno without a level shifter.
Q: Is the humidity sensor active on the BMP280 version?
A: No, the BMP280 chip only measures temperature and pressure. If you require humidity data, please ensure you select the version equipped with the BME280 chip.
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