Adafruit vcnl4010 proximity light sensor i2c adafruit 466 p the adafruit vcnl4010 proximity light sensor is a useful board for measuring proximity from 10 to 150mm proximity sensing is always handy for robotics applications but this sensor could also be used for touchless switching etc it has built in i2c connectivity making it compatible with most microcontrollers adafruit have also added a voltage regulator and level shifters to make it 3 3 to 5v logic and power compatible dependi