A pedometer is a device that counts the number of steps taken by a person and calculates the distance traveled by multiplying the number of steps by the length of the step. Here's a design solution ...
The D6F MEMS (microelectromechanical) flow sensors use thermopiles to convert thermal energy into electrical energy. The use of a thermopile allows them to measure airflow and gas-flow speed from 1 mm ...
Archery and target shooting with firearms and air guns are just a few of the many sports and pastimes that involve high-speed projectiles. A handy accessory for any of these activities is some means ...