由其分销商提供的 DFRobot SEN0019 的描述。
GRAVITY: ANALOG ADJUSTABLE INFRARED PROXIMITY SENSOR FOR ARDUINO (3~80 CM)
Gravity: Digital Adjustable Infrared Proximity Sensor
ADJUSTABLE INFRARED SENSOR SWITCH; Accessory Type: Adjustable Infrared Sensor Switch; For Use With: Arduino IO Expansion Shield; Product Range: Gravity Series; SVHC: No SVHC (27-Jun-2018)