Subject:
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Re: Use RCX motor output to switch devices
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 1 Sep 2002 00:39:55 GMT
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Viewed:
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1227 times
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In lugnet.robotics, Don Wilcher writes:
> Remko,
>
> Starting on page 144, I start the topic discussion on Electronic Output
> Switching by describing a detail lab project of an Audible Tone Generator.
> The core switching circuit consists of using a 7805 Voltage Regulator IC
> driving a 2 transistor audio oscillator circuit. The 7805 IC was used as a
> way of taking the output voltage (7-8VDC) of the RCX and stepping it down to
> a regulated +5VDC. This low voltage rail powers the audio oscillator using
> low current draw and power dissipation from the RCX P-Brick's output. On
> page 150, I discuss creating a Digital Control Unit Diagnostics Tool Lab
> procedure. The driving element in this project is a Power MOSFET switching a
> seven segment LED display. Again, the 7805 voltage regulator IC is used as a
> voltage isolator/step down converter for the Diagnostics Tool Lab project.
> Check it out in the LEGO Mindstorms Interfacing book. Go buy the book and
> you'll be glad that you did.:)
>
> Regards
>
> Don Wilcher
Wow, I'd sure like to see if I could use it :)
Anyway, if I have your purchased your book, would you help me taylor that
knowledge to my needs?
Thank you
Remko
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Message is in Reply To:
| | Re: Use RCX motor output to switch devices
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| (...) Remko, Starting on page 144, I start the topic discussion on Electronic Output Switching by describing a detail lab project of an Audible Tone Generator. The core switching circuit consists of using a 7805 Voltage Regulator IC driving a 2 (...) (22 years ago, 31-Aug-02, to lugnet.robotics)
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