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Search results: 20   Output: 11-20
  1. Yury Magda A PC's serial port provides signal lines that you can use to read voltage levels of digital circuits. You can use the port to test digital TTL (transistor-to-transistor-logic)-level circuits. You just need to convert the TTL levels ...
    06-07-2009
  2. Write Cycle This is the simplest bus cycle. Target devices detect the start of the bus cycle by the FRAME# is asserted at the second clock. At a bus cycle is initiated, the bus comand and the address is taken in to each target device attached to ...
    17-06-2009
  3. I am 13 I have always wanted to build a cnc machine but because inexpensive parts are hard to find in Canada I have had trouble trying to build a decent cnc controller. The purpose if this Instructable is to show that anyone can build a cnc ...
    07-05-2009
  4. 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 ...
    12-04-2009
  5. 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 ...
    03-10-2008
  6. 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 ...
    22-01-2008
  7. 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. ...
    17-12-2007
  8. 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 ...
    26-11-2007
  9. 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 ...
    04-08-2007
  10. 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 ...
    04-08-2007
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