ORNA2001A is a miniaturized, surface-mount, reflective infrared sensor from Vishay. It can detect objects from up to 3 meters away and has a wide sensing angle up to 360 degrees. ORNA2001A is characterized by a low power consumption, low current consumption, and a long working life. The ORNA2001A has a variety of features such as a digital output, adjustable sensitivity, reliable results in direct sunlight, and a choice of emitter wavelength of either 880nm or 940nm. It also has a response time of up to 1ms and works in a wide range of temperatures. The ORNA2001A is designed to be used in a variety of applications including car parking assistance systems, touch-free control systems, sensor switches, security and surveillance systems, robotics, and sensing temperature.