The circuit has been designed for a person who loves to jog or walk while measuring the distance that have been covered during the activity. 4093 – a quad 2-input NAND with Schmitt trigger inputs ...

The electronic lap counters used at the FINA world championships were a hit among the athletes, giving them a new way of seeing how many lengths are remaining in their distance races. Omega designed a ...

Hello everyone! Today I’m going to discuss a cheap type of useful digital rotation per minute counter (Digital RPM Counter). The 4-Digit LED Display RPM comes with a magnetic proximity sensor switch.

In a recent video, [Jason Jacques] demos the Busch Electronic Digital-Technik 2075 which was released in West Germany in the 1970s. The Digital-Technik 2075 comes with a few components including a ...