Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Sensor Model | BME680 |
| Detection Parameters | Temperature, Humidity, Pressure, Gas |
| Communication Interface | I2C and SPI |
| Operating Voltage | 1.2V to 3.6V |
| Board Dimensions | 22mm x 17mm |
| Pressure Range | 300 to 1100 hPa |
| Temperature Range | -40°C to +85°C |
| Humidity Range | 0 to 100% RH |
| Gas Sensor Target | VOCs (Volatile Organic Compounds) |
| Compatibility | Arduino, Raspberry Pi, ESP32 |
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for weather stations
This module works flawlessly with my ESP32 project. The data readings are consistent and the library support is excellent. Highly recommended for DIY enthusiasts.
Anonymous
Mar 16, 2026
Rating: 4/5
Reliable for long-term logging
I have been running this sensor for three weeks straight without any issues. The power consumption is low, which is great for battery-operated projects.
Anonymous
Mar 15, 2026
Rating: 4/5
Great sensor, tricky initial setup
The sensor itself is very accurate once calibrated. I had a little trouble getting the I2C address right initially, but the documentation helped sort it out quickly.
Anonymous
Mar 15, 2026
Rating: 5/5
Easy to integrate
As a beginner, I was worried about wiring this up, but the pinout is clearly labeled. It connected easily to my Arduino Uno and started reading data immediately.
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent value for money
Compared to other environmental sensors, this offers the best bang for your buck. The gas detection feature is a nice bonus for indoor air quality monitoring.
Anonymous
Mar 11, 2026
Rating: 5/5
High precision readings
The altitude calculation based on pressure is surprisingly accurate. I tested it against a professional barometer and the results were within acceptable margins.
Q: Is the casing waterproof?
A: No, the CJMCU-680 board is not waterproof. It should be used in dry environments or housed in a protective enclosure with breathable membrane for pressure sensing.
Q: Does this board come with headers soldered?
A: No, the board is shipped without headers to allow for flexible mounting options. You will need to solder your own pin headers.
Q: Can this operate at 5V logic levels?
A: The sensor chip operates at 3.3V. While the board has a voltage regulator, the logic lines are not 5V tolerant. Please use a level shifter if connecting to a 5V microcontroller.
Q: What is the accuracy of the temperature reading?
A: The typical temperature accuracy is ±1.0°C within the range of 0°C to 65°C.
Q: Is there a specific library required for the gas sensor function?
A: Yes, we recommend using the Adafruit BME680 library or the Bosch BSEC software library for advanced gas resistance analysis.
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