Simple Breadboard Tool
Oldbitcollector (Jeff)
Posts: 8,091
There are some great PCB designs being designed in this forum. You guys are true wizards!
I thought I might be able to contribute some tools for "The non-EE-wizards" in this group. [noparse]:)[/noparse]
(Like me!)
Attached to this message is a zip file containing a breadboard image as well as the start of
several items which may be common to breadboard experimenters. (The included PICAXE
chips are intended to help those PICAXE users who are talking about using the Propeller for
cool Propeller based peripherals for that chip) <<There's some interesting discussion about
this over there. [noparse]:)[/noparse]>> I'd love to see more cross-over users. (you know who you are)
Anyway, the idea of this is to provide some primitive layout tools that can be copy/pasted in
paint for basic layout design. Comments are invited.
I've updated the image to include many more parts:
Resistors, Caps, chips, regulators, SD socket, LEDs, Switches, etc.
Oldbitcollector
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The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!
Post Edited (Oldbitcollector) : 7/28/2007 8:53:20 PM GMT
I thought I might be able to contribute some tools for "The non-EE-wizards" in this group. [noparse]:)[/noparse]
(Like me!)
Attached to this message is a zip file containing a breadboard image as well as the start of
several items which may be common to breadboard experimenters. (The included PICAXE
chips are intended to help those PICAXE users who are talking about using the Propeller for
cool Propeller based peripherals for that chip) <<There's some interesting discussion about
this over there. [noparse]:)[/noparse]>> I'd love to see more cross-over users. (you know who you are)
Anyway, the idea of this is to provide some primitive layout tools that can be copy/pasted in
paint for basic layout design. Comments are invited.
I've updated the image to include many more parts:
Resistors, Caps, chips, regulators, SD socket, LEDs, Switches, etc.
Oldbitcollector
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The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!
Post Edited (Oldbitcollector) : 7/28/2007 8:53:20 PM GMT
Comments
I'd really appreciate a second set of eyes on this to verify it's correctness.
Thanks
Oldbitcollector
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The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!
In fact I layouted virtually exactly your example (which should be no surprise) except
- I put the EEPROM at the left hand side
- I used a pull-up for the SDA line as well
- I used standard values for the video DAC (1 k, 470 R, 220 R), which works well as expected
- I added a small RS232 converter including the neccessary reset logic, as the course cannot use the PropPlug (for budget reasons)
So thank you for your idea and the "basic tools". I shall use an editor with layers, and work with doubled precision (200 dpi). This will improve the publishing to paper as well as to the web.
Edit: Removed some typos
And - as always - I additionally connected both ground and 3.3 V pins of the Prop; this is probably superfluous...
Post Edited (deSilva) : 7/28/2007 11:52:47 AM GMT
Graham
This program was originally conceived to simplify cutting and soldering on striped and holed breadboards, addressing the ideosyncrasies of always having so solder on the "wrong" side
I think it can be useful for stick boards as well, but is not free...
Edit: Posting the promised Lochmaster diagram... As I suspected I did not use the original Parallax circuit, but a small "improvement"
(10k between B and E of the NPNs and I substituted the 100nF capacitor with a 10n + 10k combination, which should give a more controlled "spike". This is not completely my own idea but backed by a circuit in the ELEKTOR magazine.)
Post Edited (deSilva) : 7/29/2007 1:41:29 PM GMT
What a great little tool. I am going to try to add some of my own components! Thanks so much! If I am able to add some good stuff, I'll post it back to you. Thanks again for this good, simple idea!
deSilva,
These are nice pieces of software, but how much can you really do with just the free version? The one I tried would not let you save or print.
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Whit+
"We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths." - Walt Disney
Post Edited (Whit) : 7/29/2007 5:05:21 PM GMT
If not just screen capture and print from paint.
Graham
This is simply a tool I wanted and couldn't find, so I figured I'd make my own.
Oldbitcollector
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The comments and code above are proof that a million monkeys with a million propeller chips *could* write Shakespeare!