The circuit was designed to create a low cost frequency meter that will cover the range of 1 Hz to 1 MHz with a digital indication using three 7-segment displays. 7805 – a 3-terminal 1A positive ...

A popular purchase from the usual stockists of imported electronic modules is a digital panel meter. A very small amount of money secures a module with a seven-segment display that you can stick on ...

Paired with the Digital Flowmeter compressed-air meter, the Summing Remote Display allegedly makes it easy to monitor air consumption from a convenient location. Via a pushbutton, the display shows ...