Another Beginner Question (Interfacing Computer Hardware/Circuitry)

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SUMMARY

This discussion centers on building a timer styled like an old-school flip clock, utilizing a 555 timer circuit and a flip clock motor. The user seeks to integrate computer input for resetting the timer, specifically considering the use of a Commodore 64. However, it is concluded that using a more modern platform, such as an Arduino or Raspberry Pi, would simplify the project and provide better hardware capabilities for interfacing with the circuitry.

PREREQUISITES
  • Understanding of 555 timer circuits
  • Familiarity with flip clock motors
  • Basic knowledge of Arduino or Raspberry Pi programming
  • Experience with interfacing computer hardware and circuitry
NEXT STEPS
  • Research Arduino programming for timer projects
  • Explore Raspberry Pi GPIO interfacing techniques
  • Learn about integrating 555 timer circuits with microcontrollers
  • Find documentation on building flip clock mechanisms
USEFUL FOR

Electronics enthusiasts, hobbyists interested in DIY projects, and beginners looking to interface computer hardware with circuitry.

Ulnarian
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So, I want to build a timer in the style of an old-school flip clock (like this http://www.ladidah.com.au/range/images/flip-clock-grey.jpg) that counts from 000:00 minutes to 108:00 minutes. Whenever a user enters a certain sequence of numbers on the computer, the timer should reset itself to 000:00.

I'm brand new to electronic projects. I reckon I can connect the output of a 555 to a flip clock motor and calibrate the gear train appropriately (haven't quite worked out the reset function yet). The thing I am not sure about is how to get my computer to directly affect the circuitry (i.e. reset the timer after the sequence is entered). Does this require specialized software? I've got an old Commodore 64 laying about that I think would work pretty nicely.

Is this something that is feasible for a newbie? Is their any documentation out there I should be reading up on?

Thanks!
 
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Sure that is feasible, but a Commodore 64 has limited hardware possibilities. A more modern Auduino or Rasberry PI computer can do it much easier. Visit the hobby forums for those and I'm sure you'll find examples of your kind of project.
 

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