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 Forum index » DIY Hardware and Software » fonik's place
Voltage Meter Module (incl. cable tester)
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fonik



Joined: Jun 07, 2006
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PostPosted: Mon Aug 02, 2010 12:55 am    Post subject: Voltage Meter Module (incl. cable tester) Reply with quote  Mark this post and the followings unread

this is what i did as a fun project last week: a voltage meter module with cable tester. the range is selectable from 0V to 10V or -5V to +5V. the module provides two LEDs indicating the input signal exceeding the modules working range.
to use the spare front panel space i added a cable tester. for this tester the sockets have to be isolated from the front panel (COM).
[for 12V operation R9 and R10 have to be adjusted. this voltage divider sets the reference voltage of 10V for the comparator.]

Voltage Meter Module

Voltage Meter Schematic

[edit: pictures embedded]

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matthias
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TekniK



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PostPosted: Mon Aug 02, 2010 3:15 am    Post subject: Reply with quote  Mark this post and the followings unread

wave
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macumbista



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PostPosted: Tue Aug 03, 2010 5:40 am    Post subject: Reply with quote  Mark this post and the followings unread

Very cool! What's that crazy thing at the right side of the power rails? 057-010-1...what company is that a part number for? Headers? Some kind of switch?
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fonik



Joined: Jun 07, 2006
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PostPosted: Tue Aug 03, 2010 5:44 am    Post subject: Reply with quote  Mark this post and the followings unread

haha, no! it is nothing but the small doepfer style 2x5 pin buss connector (ribbon cable).
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macumbista



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PostPosted: Tue Aug 03, 2010 5:51 am    Post subject: Reply with quote  Mark this post and the followings unread

Thought is was something like that...
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fonik



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PostPosted: Tue Aug 03, 2010 2:14 pm    Post subject: Reply with quote  Mark this post and the followings unread

added some nicer pictures:


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Tim Servo



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PostPosted: Tue Aug 03, 2010 3:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

Beautiful work!
Smile


Tim (man of few words, today at least) Servo
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fonik



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PostPosted: Thu Sep 09, 2010 7:04 am    Post subject: Reply with quote  Mark this post and the followings unread

i think this thread should now be moved into the fonik's place. janitors?
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slo



Joined: Feb 18, 2007
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PostPosted: Thu Sep 29, 2011 7:31 am    Post subject: Reply with quote  Mark this post and the followings unread

A couple of questions on the meter itself. Is it a 0-10v range meter, one of your pics shows a 0-30v range meter, also the extra wires going to the meter, is that for illumination?
Thanks in advance
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fonik



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PostPosted: Thu Sep 29, 2011 7:41 am    Post subject: Reply with quote  Mark this post and the followings unread

slo wrote:
A couple of questions on the meter itself. Is it a 0-10v range meter, one of your pics shows a 0-30v range meter

it is 0V>10V / -5V>+5V meter. there is one computer graphic showing 30V, just because i used a picture from the suppliers catalogue to create it.

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, also the extra wires going to the meter, is that for illumination?
Thanks in advance

correct. connector J5 interfaces with the actual meter unit, and the 15V feed the light bulb.

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