Pimoroni LTR-559 Light & Proximity Sensor Breakout Module - I2C Interface, 0.01-64k Lux
The Pimoroni LTR-559 breakout module integrates a high-performance Lite-On LTR-559ALS-01 sensor, providing precise ambient light sensing from 0.01 to 64,000 lux and proximity detection up to ~5cm via a standard I2C interface. It is 3.3V/5V logic compatible and designed for direct plug-and-play integration with Raspberry Pi GPIO and the Breakout Garden ecosystem.
Features
- Lite-On LTR-559ALS-01 sensor with integrated IR/UV filtering for accurate ambient light measurement.
- Wide dynamic range from 0.01 lux (dark) to 64,000 lux (bright sunlight).
- Integrated proximity sensing with a typical detection range of approximately 5cm.
- Standard I2C interface (address 0x23) with 50/60Hz flicker rejection for stable operation.
- 3.3V or 5V compatible design with reverse polarity protection and Raspberry Pi-optimized pinout.
Out of stock
The LTR-559 breakout module utilizes the same advanced optical sensor technology found in smartphones for ambient light and proximity sensing. The sensor combines a photodiode for light sensing and an integrated IR LED for proximity detection, all housed within a compact, surface-mount package with an optical filter to block infrared and ultraviolet light, ensuring accurate visible light measurements.
Communication is handled via a simple I2C interface, making it easy to integrate with microcontrollers like the Raspberry Pi, Arduino, ESP32, and STM32. The module includes built-in signal conditioning and reverse polarity protection, providing a robust and reliable sensing solution for automated lighting control, display dimming, and gesture-based user interfaces.
Additional Information
| Weight | 0.05 kg |
|---|---|
| Dimensions | 1.9 × 1.9 cm |















