I2C UVA and UVB dual-band light sensor breakout (VEML6075) with onboard calibration registers for direct UV Index output. Works at 3.3 V or 5 V; no additional ADC or computation needed for UV Index readings.
Power input. Adafruit Learn says the board regulator accepts 3-5VDC and should be powered at the microcontroller logic level.
3.3V output from the onboard voltage regulator. Adafruit Learn says up to 100mA may be drawn.
Ground reference.
I2C clock line. Adafruit Learn says to connect to the microcontroller I2C clock line.
I2C data line. Adafruit Learn says to connect to the microcontroller I2C data line.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | power | Power input. Adafruit Learn says the board regulator accepts 3-5VDC and should be powered at the microcontroller logic level. | 3-5VDC input | |
| 3V3 | power | 3.3V output from the onboard voltage regulator. Adafruit Learn says up to 100mA may be drawn. | 3.3V output, up to 100mA | |
| GND | ground | Ground reference. | 0V | |
| SCL | signal | I2C clock line. Adafruit Learn says to connect to the microcontroller I2C clock line. | ||
| SDA | signal | I2C data line. Adafruit Learn says to connect to the microcontroller I2C data line. |
I2C · Analog · 3.3 – 5 V · Breakout
Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an examp…
Module pins: VIN, 3V3, GND, SCL, SDA. Schematik maps them to your board in the app.
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