VEML7700 Ambient Light Sensor Module I2C for Raspberry Pi
VEML7700 Ambient Light Sensor Module – I2C Interface for Raspberry Pi & IoT Projects
Take your Raspberry Pi, Arduino, or IoT project to the next level with this high-precision VEML7700 Ambient Light Sensor Module. Featuring an ultra-wide measurement range of 0 to 120,000 lux and an impressive resolution of 0.0036 lx/ct, this compact sensor board delivers accurate, real-time light intensity data over a simple I2C (IIC) interface — no complex wiring required.
Built with FiltronTM technology, the sensor's spectral response closely mirrors the human eye, making it ideal for intelligent lighting control, smart home automation, industrial monitoring, and embedded systems development. The integrated 0-TrimTM technology keeps output tolerance under 10%, ensuring consistent and reliable readings across environments.
Supports both 3.3V and 5V supply voltages and consumes just 45µA during operation, dropping to an ultra-low 0.5µA in shutdown mode — perfect for battery-powered and energy-conscious designs.
Made in Mainland China.
Key Features
- ✅ Ultra-High Accuracy: Resolution of 0.0036 lx/ct (up to 0.005 lx/ct)
- ✅ Wide Measurement Range: 0 – 120,000 lux (exceeds BH1750's 65K lux limit)
- ✅ I2C / IIC Interface: Gravity-compatible connector simplifies wiring
- ✅ Dual Voltage Support: Works with 3.3V and 5V systems
- ✅ Low Power Consumption: 45µA active / 0.5µA shutdown
- ✅ Wide Operating Temperature: -25°C to +85°C
- ✅ FiltronTM + 0-TrimTM Technology for human-eye spectral matching & low output tolerance
Technical Specifications
| Supply Voltage | 3.3V – 5V |
| Working Current | 45 µA |
| Shutdown Current | 0.5 µA |
| Measurement Range | 0 – 120,000 lux |
| Resolution | 0.0036 lx/ct |
| Interface | I2C (IIC) / Gravity |
| Operating Temperature | -25°C to +85°C |
| Module Size | 16.5 × 16.5 mm |
| Material | Plastic + Metal |
| Package Contents | 1 × VEML7700 Sensor Module Set |
Lux Reference Chart
- 🌑 Night: 0.001 – 0.02 lx
- 🌙 Moonlit night: 0.02 – 0.3 lx
- ⛅ Overcast indoors: 5 – 50 lx
- 🌧️ Overcast outdoors: 50 – 500 lx
- 🏠 Indoors on sunny day: 100 – 1,000 lx
- 📖 Reading light: 50 – 60 lx
- ☀️ Summer midday sunlight: ~100,000 lx
Compatible With
Raspberry Pi (all models), Arduino, ESP32, ESP8266, STM32, and any microcontroller with an I2C bus. Ideal for IoT, industrial automation, smart lighting, and maker projects.
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Frequently Asked Questions
Q: Is the VEML7700 sensor module compatible with Raspberry Pi and Arduino?
A: Yes! The VEML7700 ambient light sensor module uses a standard I2C (IIC) interface and supports both 3.3V and 5V logic levels, making it fully compatible with Raspberry Pi (all models), Arduino Uno/Mega/Nano, ESP32, ESP8266, STM32, and most other popular microcontrollers used in IoT and maker projects.
Q: What is the measurement range and accuracy of this light sensor?
A: This VEML7700 module measures ambient light from 0 lux (complete darkness) up to 120,000 lux (bright sunlight), with a resolution of 0.0036 lx/ct. It outperforms the commonly used BH1750 sensor, which is capped at 65,000 lux. The FiltronTM spectral technology ensures measurements closely match human eye sensitivity.
Q: How do I connect the VEML7700 module to my microcontroller?
A: The module features a Gravity-compatible I2C connector, which simplifies wiring significantly. Simply connect the VCC pin to your 3.3V or 5V power rail, GND to ground, SDA to the data line, and SCL to the clock line of your microcontroller. No additional pull-up resistors are typically needed thanks to the onboard circuit design.
Q: Is this sensor suitable for battery-powered IoT devices?
A: Absolutely. The VEML7700 module consumes only 45µA during active operation and drops to just 0.5µA in shutdown mode, making it an excellent choice for low-power, battery-operated IoT devices, wearables, and remote sensing applications.