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| Question for those with Electronics knowledge (adapting 12V power adapter) |
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| JDFan:
--- Quote from: DaOld Man on April 18, 2014, 05:59:13 am ---Im not sure how the Chinese make their stuff so cheap (unless it is slave labor with no environmental or worker safety regulations). That would probably work, but as simple as the regulator circuit would be, and for no more than what you need it for, I would go with the regulator, but its entirely up to you. Also, you probably wont need a heat sink but it sure wouldn't hurt to use one if you have one laying around. be sure to put a drop of heatsink grease on the two mating surfaces or you are probably wasting your time. If you do go with the voltage regulator, I would use the 6 volt one, since the Namco wants 6 volts. --- End quote --- Think you're right -- besides the main reason for doing this was to experiment with building it and even though the Chinese part is a bit cheaper it doesn't provide much build practice. (though I did go ahead and order a couple to play with for some other projects) Hopefully the local Radio Shack will have the parts in stock as nowadays they seem to be more focused toward mobile phone purchases than electronics parts ( Guess it's hard to run a business based on selling electronic parts when competing with the Chinese.) Thanks again for the Info. and will update after building it. As for the heatsink will definitely be using some Thermal paste since the heat transfer needs a good surface to surface connection to work properly. |
| JDFan:
Went to Radio Shack and got a 7805 (they don't stock the 7806) and a couple Tantalum caps (total was about $6 - They sure do add a premium over the internet sites ( Caps online $0.59 +\- Radio Shack $1.99 ) Can see why nobody shops there any more. Got home and put things together using an old Molex connector and though the soldering job isn't that great it all works as expected (nice stable 5V output from the 12V adapter ! ) |
| DaOld Man:
Yeah Radio Shack definitely bloats the price of their parts, but I think they are trying to get away from that part of the service anyway, they don't have nearly as many parts as they once carried. I only buy from radio shack when I must have it right away and cant wait for snail mail. |
| JDFan:
--- Quote from: DaOld Man on April 21, 2014, 06:25:44 am ---Yeah Radio Shack definitely bloats the price of their parts, but I think they are trying to get away from that part of the service anyway, they don't have nearly as many parts as they once carried. I only buy from radio shack when I must have it right away and cant wait for snail mail. --- End quote --- It is pretty sad, they want so much for the parts and then the store just throws them in a little metal drawer display that never gets organized so you don't really know if they have it till you search the entire thing and asking someone that works there is a total waste as none of them have ever even build a project. |
| Slippyblade:
I know, necro thread... Having worked at Radio Shack I do have to defend them a little bit. If you've ever worked retail you would realize how literally impossible it is to keep small product organized. The average modern American is a thumbless oaf. They will paw through the bins/shelves/pegs, knock stuff around, damage goods, and then act like it's no big deal... Working retail destroyed what little faith I had in humanity. However, you are correct about part of it. Most employees there have never built anything. They are hired to sell cell phones. |
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