1. 서론
The GODIYMODULES VEML7700 Ambient Light Sensor Module is a high-accuracy 16-bit sensor designed for measuring ambient light intensity (lux). It utilizes an I2C interface for communication, making it suitable for integration with microcontrollers like Arduino. This module provides precise light measurements across a wide dynamic range, ideal for various applications including environmental monitoring and automatic lighting control systems.
2. 제품 특징
- 감지기: Integrates the VEML7700 ambient light sensor.
- 인터페이스: I2C communication protocol.
- I2C 주소: Fixed at 0x10 (not modifiable).
- 측정 범위: 0 to 120,000 lux on 16 bits.
- 정확성: High precision with 0.0036 lux / count.
- 전원 공급 장치: Operates with 3.3 Vdc or 5 Vdc.
- Regulator Output: Features a 3.3 Vdc / 100 mA max regulator output.
- 연결성: Requires soldering of the included 5-pin connector for use.
- 컴팩트한 디자인: Module dimensions are approximately 17 x 17 x 4 mm.
3. 패키지 내용
각 패키지에는 다음 항목이 포함되어 있습니다.
- 2 × VEML7700 Ambient Light Sensor Modules
- 2 × 5-pin Male Header Connectors (for soldering)

Image: Two VEML7700 Ambient Light Sensor Modules, showing the front side of both modules along with their respective 5-pin male header connectors.
4. 사양
| 사양 | 값 |
|---|---|
| 상표 | 고디모듈 |
| 모델 번호 | 0f093315-79af-4fc7-93bd-6cc871cfda62 |
| 센서 유형 | VEML7700 주변광 센서 |
| 인터페이스 | I2C |
| I2C 주소 | 0x10(고정) |
| 측정 범위 | 0 to 120,000 lux (16-bit) |
| 정확성 | 0.0036 lux / count |
| 전원 공급 장치 | 3.3 Vdc or 5 Vdc |
| 레귤레이터 출력 | 3.3 Vdc / 100 mA max |
| 출력 유형 | 디지털 |
| 재료 | 중합체 |
| 품목 무게 | 9 g (per module) |
| 패키지 크기 | 12.09 x 10.21 x 3.1cm |
| 특정 용도 | Environmental monitoring, electronic projects |
5. 설정 및 연결
5.1 Soldering the Connector
The VEML7700 module requires soldering of the included 5-pin male header connector for proper integration into your circuit. Carefully solder the pins to the corresponding pads on the module. Ensure good solder joints for reliable connectivity.

이미지: 앞면 view of the VEML7700 module, showing the pin labels (I2C Lux Sensor, Vin/Logic: 3-5V) and the separate 5-pin male header connector.
5.2 핀 배치 및 배선
The module features the following pins:
- VIN : Power supply input (3.3V or 5V DC).
- GND : 접지 연결.
- SDA: I2C 직렬 데이터 라인.
- SCL: I2C 직렬 클록 라인.
- 3V0: 3.3V regulated output (max 100mA). This can be used to power other low-power 3.3V components if needed.
Connect the module to your microcontroller (e.g., Arduino) as follows:
- 연결하다 차량 등록 번호 to your microcontroller's 3.3V or 5V power supply.
- 연결하다 접지 to your microcontroller's Ground.
- 연결하다 재림교회 to your microcontroller's I2C SDA pin (e.g., A4 on Arduino Uno).
- 연결하다 에스씨엘 to your microcontroller's I2C SCL pin (e.g., A5 on Arduino Uno).

이미지: 전면 상세 사진 view of the VEML7700 module, clearly showing the VIN, GND, SDA, SCL, and 3V0 pin labels.

이미지: 뒤로 view of the VEML7700 module, revealing the VEML7700 sensor chip and other surface-mount components.
6. 사용 설명서
6.1 소프트웨어 설정 (Arduino Ex)amp르)
To operate the VEML7700 sensor with an Arduino, you will typically need an I2C library for the VEML7700. Many such libraries are available through the Arduino IDE's Library Manager (e.g., "Adafruit VEML7700 Library").
- 라이브러리 설치: Arduino IDE를 열고 이동하세요 스케치 > 라이브러리 포함 > 라이브러리 관리... 검색 "VEML7700" and install a suitable library (e.g., Adafruit VEML7700).
- Ex 로드ample Sketch: 설치 후 다음으로 이동하세요. File > 전amples > [Installed Library Name] > veml7700_test (or similar examp르).
- 업로드 코드: Connect your Arduino board, select the correct board and port, then upload the examp르 스케치.
- 모니터 출력 : Open the Serial Monitor in the Arduino IDE (set baud rate to 115200 or as specified in the sketch). You should see ambient light readings in lux.
6.2 Reading Ambient Light
The VEML7700 sensor provides highly accurate ambient light measurements. The library functions will typically handle the configuration of the sensor's gain and integration time to optimize readings across its 0 to 120,000 lux range. The output will be a digital value representing the light intensity in lux.
The sensor's high accuracy of 0.0036 lux per count allows for detection of very subtle changes in light, making it suitable for applications requiring fine-grained light sensing.
7. 유지관리
The VEML7700 Ambient Light Sensor Module is a robust electronic component. Follow these guidelines for optimal performance and longevity:
- 조심스럽게 다루십시오: Avoid dropping or subjecting the module to excessive physical shock.
- 건조하게 유지하세요: Protect the module from moisture and liquids. Water damage can lead to malfunction.
- 청결: Keep the sensor surface clean and free from dust or debris, which can affect light readings. Use a soft, dry cloth for cleaning if necessary.
- 저장: 모듈을 사용하지 않을 때는 건조하고 정전기 방지 환경에 보관하십시오.
- 전원 공급 장치: 항상 올바른 전원 공급 볼륨을 확인하십시오.tage (3.3V or 5V DC) is applied to prevent damage.
8. 문제 해결
If you encounter issues with your VEML7700 Ambient Light Sensor Module, consider the following troubleshooting steps:
- No Readings / Incorrect Readings:
- 배선 확인: Verify all connections (VIN, GND, SDA, SCL) are correct and secure. Ensure no short circuits.
- 납땜: Inspect solder joints on the 5-pin header. Re-solder any cold or incomplete joints.
- 전원 공급 장치: Confirm the module is receiving the correct voltage (3.3V 또는 5V).
- I2C 주소: The VEML7700 has a fixed I2C address of 0x10. Ensure your code is configured to communicate with this address.
- 도서관: Ensure the correct VEML7700 library is installed and properly initialized in your code.
- 센서 장애물: Check if the sensor's light-sensitive area is obstructed by dust, dirt, or other objects.
- 모듈을 찾을 수 없습니다:
- Perform an I2C scanner sketch to confirm if the module is detected on the I2C bus at address 0x10.
- Double-check power and ground connections.
- 간헐적으로 읽는 것:
- 연결 부위가 헐거워졌거나 납땜 상태가 불량한지 확인하십시오.
- 안정적인 전력 공급을 보장하세요.
9. 보증 및 지원
This product is typically covered by a standard replacement policy for manufacturing defects. For specific warranty details, please refer to the retailer or platform where the product was purchased. For technical support or further assistance, please contact GODIYMODULES customer service or consult online community forums dedicated to Arduino and VEML7700 sensor usage.
Please note that damage resulting from improper installation, misuse, or unauthorized modifications is not covered under warranty.