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Author Topic: My DIY Breadboard Power Adapter  (Read 2103 times)
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I build a few breadboard power adapter. Two small one, just connect the power from a wall adapter --> wall wart and a 5V regulator adapter with a reset circuit built-in with option Vin, 5V, gnd ---> check the jumpers.

Here the pictures of the small board.
 


* BreadboardSupplyAdapter.jpg (78.49 KB, 800x600 - viewed 77 times.)
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Here the pictures of the regulator.



* Breadboard5Vregulator.jpg (107.88 KB, 1024x768 - viewed 58 times.)

* Bread5Vside.jpg (97.32 KB, 1024x768 - viewed 29 times.)
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nice, simple design. looks good!
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"#define QUESTION ((bb) || !(bb))  - Shakespeare."

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Thank you. It will help me to prototype my circuit a bit better/faster. This product give me the inspiration to make one. http://www.makershed.com/product_p/mksb016.htm
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Holy heatsink batman!
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LOL... Yep... I don't want to cook the regulator in case it aproching 1 A. The regulator is a L7805CV. It can take 1 A.

I am sorry that during the design the board, I did not take into account the size of the heatsink I was planning to do. I use that heatsink, because the other I have are smaller.

Safety first...
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I think just getting a 5V wallwart might have been easier.
http://www.dipmicro.com/store/DCA-0520
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Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
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I did try that wall wart...from Sayal and cost me under $3.00 ca  smiley-razz   CrossRoads.  I put a dummy load ( 220 ohms ) and the voltage get lower ( around 4.75 V ) and at no load ( around 5.5 V ) ... Not to good in my opinion. But you notice my first picture ( the two small  PCB breadboard adapter ), it is design to use a wall wart, even the 5 V, and other PSU ( rectifier and big cap ) <-- the one you need to screw the wire in. I made those adapter too.     
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Beep!
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Taking heat into consideration is a good thing, but WOW!
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Heh... The picture just make the heatsink look big...
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Update : 

I just finish an another DIY breadboard power adapter. This one is design to use a dual power supply, + / - and another + side. And it got switches to turn  ON or OFF. It fit the breadboard power line, it have on each line a 0.1 uF and a 10 uF cap. The switches can from harvested e-garbage.

Here a picture


* Dual-single_breadboard_adapter.jpg (146.32 KB, 1024x768 - viewed 29 times.)
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