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Automate motor #1

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sstefanov opened this issue Aug 3, 2020 · 1 comment
Open

Automate motor #1

sstefanov opened this issue Aug 3, 2020 · 1 comment

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@sstefanov
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sstefanov commented Aug 3, 2020

About motor, you can use some hardware timer (for example 555) to auto start motor on step pulse and keep it running for more than 10 seconds, time enough to read whole track.
For example:
R=100k
C=220uF
https://ohmslawcalculator.com/static/img/555-monostable-calculator-2.png

@czietz
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czietz commented Aug 3, 2020

That's a good idea, thank you.

The motor would only need to be on for significantly less than 10 seconds because most of the time is spent not reading the disk but exporting the data from the logic analyzer software. An inverter (single transistor) might be required, since afaik the 555 output goes high, whereas the motor on input needs to be pulled low.

Please let me know if you try this.

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