Now we do our conversions just like above. 121.779 / 5280 = .023 miles .94 / 60 / 60 = .000261 hours .023 / .000261 = 88.12 mph. So there you have it! How to calculate how fast you throw a baseball without a radar gun and only a stop watch.
IR Receiver and Remote. An IR receiver can detect bursts of infrared light sent by a common remote controller (like for a television), and then output a pattern of high/low signals to a Propeller I/O pin. This quick tutorial will first show you how to wire up the infrared receiver.
How does a light detection and ranging system work? There are 4 parts of an airborne LiDAR. These 4 parts of a LiDAR system work together to produce highly accurate, usable results: 1  LiDAR sensors scan the ground from side to side as the plane flies. 2  GPS receivers track the altitude and location of the airplane. 3  Inertial measurement units (IMU) tracks the tilt of the airplane as it flies.