The Best PCs You Can Build for $600 and $1200. Build a PC - How to Build a PC. Leap Motion sensor offers 3D gesture control at an affordable price. The Leap sensor is small, but accurate enough to process 3D gesturing Leap is now taking pre-orders for its Leap Motion sensor, a USB accessory that enables full control of your PC or Mac using simple hand and finger gestures.
The company claims that its product is the most accurate gesture sensor available, and it costs only US$70. As you can see, the Leap sensor is quite small, making it portable enough to throw into a laptop bag when traveling. Despite its small size, Leap claims that its device is 200 times more accurate than competitors such as Kinect for Windows. This raises a few questions, as Leap has not specified what technology powers its sensor. APC. Build the Mac Pro That You Wish Apple Released.