The SI1145 UV Sensor is a digital ultraviolet (UV) light sensor and ambient light sensor module designed to measure the intensity of UV light in the environment. This sensor provides valuable data for applications such as UV index monitoring, outdoor weather stations, and UV radiation exposure assessment. The SI1145 UV Sensor is equipped with a calibrated UV sensing element and an integrated digital interface, making it a reliable and user-friendly solution for UV light measurement. The SI1145 UV Sensor is a valuable tool for measuring UV light, particularly in applications related to weather, health, and safety. Its accuracy and digital output simplify the process of incorporating UV measurements into your projects. When using the SI1145 UV Sensor, it’s important to refer to the manufacturer’s datasheet and documentation to ensure proper calibration and usage guidelines for UV index calculation and other UV sensing applications.

Specifications:

• UV Sensing: Capable of measuring UV-A and UV-B light.
• Ambient Light Sensing: Measures the intensity of visible and infrared light.
• Accuracy: Provides accurate UV index data for outdoor and environmental monitoring.
• Calibrated Output: The sensor provides calibrated digital UV and ambient light data via an I2C interface.
• UV Index: The sensor can calculate and output the UV index, which quantifies the strength of UV radiation.
• Dynamic Range: Typically covers a wide range of UV and ambient light intensities.
• Operating Voltage: Operates at a voltage commonly between 3.3V and 5V.
• Application: Ideal for outdoor UV monitoring, weather stations, wearable devices, and UV radiation exposure measurement.
• Integration: Can be interfaced with microcontrollers, single-board computers, or IoT devices through the I2C interface.
• Compact Design: The module is compact and suitable for integration into various projects.