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271  Using Arduino / Installation & Troubleshooting / Re: I think my Arduino Nano is internally short-circuited between 5V and Ground on: July 09, 2014, 12:47:04 am
Maybe the board circuit touched something metal.
272  Using Arduino / LEDs and Multiplexing / Re: Problem with CD74HC* Multiplexer/Demultiplexer on: July 09, 2014, 12:36:42 am
Are you saying if you select an input (which is high) then select another input (which is low) the pin on the controller is always high?
273  Using Arduino / General Electronics / Re: Circuit Correct? Help me! on: July 08, 2014, 06:57:08 pm
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You need a fly-back diode over an inductive load. Always.
When talking about DC of course.
274  Using Arduino / General Electronics / Re: External Power Source for Arduino Micro on: July 08, 2014, 06:02:08 pm
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Lefty
But how did you know?
I am left handed.
275  Using Arduino / Project Guidance / Re: Single Board aTmega328 and SN75441. SN75441 keeps frying. on: July 08, 2014, 04:11:12 pm
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It seems I did make the simple mistake originally of having the 441 in upside down. I designed the pcb and knew I needed to put it in facing opposite of the 328 and when I put it in the socket I did not.
Experience varies directly with equipment ruined.
And
Always blame yourself.
276  Using Arduino / General Electronics / Re: External Power Source for Arduino Micro on: July 08, 2014, 04:05:52 pm
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1K of RAM
http://forum.arduino.cc/index.php?PHPSESSID=htci7jtb4o4lub9ao4lfrmp5h5&topic=253316.0
277  Using Arduino / General Electronics / Re: Proper way of reattaching power cord in Ontario, Canada ? on: July 08, 2014, 03:01:41 pm
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splices should be done in an enclosed junction or receptacle box.
Must be accessible!
278  Using Arduino / Microcontrollers / Re: Arduino UNO as ISP doesn't work on: July 08, 2014, 12:56:03 pm
Maybe change the title of the post, add "It was my setup".
279  Using Arduino / Project Guidance / Re: big keypad on: July 08, 2014, 12:59:05 am
Meet my friend:
280  Using Arduino / Project Guidance / Re: big keypad on: July 08, 2014, 12:52:30 am
TLK3315 would lend itself to easier/better labelling.
.55 mm height. Hard to believe.
281  Using Arduino / Project Guidance / Re: big keypad on: July 07, 2014, 11:44:50 pm
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I like this one.

I think 256 is quite large.
282  Using Arduino / Project Guidance / Re: Attaching a plastic disc to a stepper motor shaft & type of plastic to use on: July 07, 2014, 11:00:42 pm
http://en.m.wikipedia.org/wiki/Coping_saw
283  Using Arduino / Project Guidance / Re: Attaching a plastic disc to a stepper motor shaft & type of plastic to use on: July 07, 2014, 05:29:47 pm
If you have access to a scrollsaw, you can do a good job if you set the speed to low.
284  Using Arduino / Microcontrollers / Re: Set pin13 (XTAL1) as output at 1284P and now can't program or write fuses on: July 07, 2014, 05:10:21 pm
Some set ups require a full swing oscillator . Set low fuse to 0xF7.

Also have you seen this?
Might want to try.   http://www.gammon.com.au/forum/?id=11637
285  Using Arduino / Project Guidance / Re: Attaching a plastic disc to a stepper motor shaft & type of plastic to use on: July 07, 2014, 02:29:44 pm
http://www.servocity.com/html/servo_to_shaft_couplers.html#.U7r1Bdq9KSM
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