- Description
Details
Ultraviolet Sensor, I2C Interface, UV Index Value Output
Overview
This is an ultraviolet sensor board which will directly output UV index value via the I2C interface. It is compatible with both 3.3V and 5V levels.
Features
- Integrates Si1145 chip with embedded ADC, detects not only ultraviolet, but also ambient light intensity
- Directly output UV index value via the I2C interface, needs no calibration
- Supports interrupt output, programmable upper/lower threshold
- Onboard voltage translator, compatible with 3.3V/5V operating voltages
Specifications
- Operating voltage: 3.3V ~ 5V
- Dimension: 26mm × 16mm
- Mounting hole size: 2.0mm
- Operating temperature: –40 ~ +85 °C
Pinouts
- VCC: Power input, 3.3V/5V
- GND: Ground
- SDA: I2C data pin
- SCL: I2C clock pin
- INT: interrupt output, optional
Dimensions
Development Resources
Wiki : www.waveshare.com/wiki/UV_Sensor_(B)
Selection guide
| UV Sensor | UV Sensor (C) | |
|---|---|---|
| Sensor | GUVA-S12SD | LTR390-UV-01 |
| Hardware interface | analog output | I2C |
| Calibration Required | Yes, the analog output needs to be turned into UV index value | No, direct outputs UV index value |
| Intensity Measuring | N/A | Yes |
| Interrupt Output | N/A | Yes |
| UV Response Spectrum | 200-370nm | 280-430nm |
| Dimensions | 22 × 16mm | 27 × 20mm |
Weight: 0.007 kg
Quick Overview
- UV Sensor (B) x1
- PH2.0 5PIN wire x1
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