Circuits & Schematics - Digital - 6

This simple circuit is the electronic version of the combination lock. Using the special purpose LS7220 digital lock IC, the circuit allows a 4 digit combination of your choice to activate a relay for a set period of time. This relay can then be ...

ScopeOnPC is a free software that uses the PC parallel port and an ADC (Analog To Digital converter) circuit to turn your PC into a full featured ocliloscope. Key Features Sampling: 100K Samples per second (DOS version) -100KHz Sampling: 40K ...

Contemporary research laboratories include a variety of instruments that connect using any of several interface methods to a PC for automating procedures and collecting data. Although different communication interfaces exist, the GPIB ...

When synchronizing two instruments’ signals, it is important to make sure that the receiver can latch the sender’s synchronous signal. For example, a pulse generator generates synchronizing pulses while generating the main pulse signal. ...

The recent advent of Analog Devices ADCMP60x family of comparators has filled a gap between the less-than-1-µsec-response comparators consuming 100 to 200 mW and those exhibiting approximately 1-µsec response, requiring about ...

You can play this game alone or with your friends. The circuit comprises a timer IC, two decade counters and a display driver along with a 7-segment display. The game is simple. As stated above, it is a scoring game and the competitor who scores ...

David N. Warren-Smith This article is written for anyone unfamiliar with digital circuits but who would like to get some idea of what it is about. A few basic ideas including an actual working circuit will be presented in a graphical manner with ...