VEML6070 UV Index Sensor Breakout
Discontinued; replaced by the Adafruit LTR390 UV Light Sensor (STEMMA QT / Qwiic).
Discontinued; replaced by the Adafruit LTR390 UV Light Sensor (STEMMA QT / Qwiic).
Power input for the VEML6070 breakout; Adafruit Learn states the sensor chip uses 3 to 5 VDC and the board should be powered at the microcontroller logic level.
Common ground for power and logic, as stated by Adafruit Learn.
I2C clock line; Adafruit Learn states this pin connects to the microcontroller I2C clock and can be used with 3V or 5V logic with a 10K pullup.
I2C data line; Adafruit Learn states this pin connects to the microcontroller I2C data line and can be used with 3V or 5V logic with a 10K pullup.
Interrupt/alert output for high or low UV signal warning; Adafruit Learn states the logic level follows Vin.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Vin | power | Power input for the VEML6070 breakout; Adafruit Learn states the sensor chip uses 3 to 5 VDC and the board should be powered at the microcontroller logic level. | 3 to 5 VDC | |
| GND | ground | Common ground for power and logic, as stated by Adafruit Learn. | 0V | |
| SCL | i2c | I2C clock line; Adafruit Learn states this pin connects to the microcontroller I2C clock and can be used with 3V or 5V logic with a 10K pullup. | 3V or 5V logic | |
| SDA | i2c | I2C data line; Adafruit Learn states this pin connects to the microcontroller I2C data line and can be used with 3V or 5V logic with a 10K pullup. | 3V or 5V logic | |
| ACK | interrupt | Interrupt/alert output for high or low UV signal warning; Adafruit Learn states the logic level follows Vin. | logic level follows Vin |
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…
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