Pi in a Dreamcast VMU Build - WIP
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@moosepr The things I could do with a time machine...
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@obsidianspider No, I already got a list.
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Buy brand new copies of rare games, (Earthbound, Panic Restaurant, Stadium Events, etc.) and sell them in the present day for a shitload of money
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Go back and stop my dad from falling and crushing his arm.
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Find out who let the dogs out
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@obsidianspider ok man, offer still stands. I found 2 loose ones. 1 with the cover and one without.
check it -
@celly Oh wow, those are in really good shape too. I would feel bad not paying anything for them. What's the best way to message you, since the forum doesn't allow private messaging?
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@obsidianspider Um, on the GameEx site, same user name. Send me a pm over there and we can figure something out.
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Thanks to @celly I now have some really nice white VMUs coming my way.
The plan now is to figure out how to do this with one of the blue ones, then do it "for real' with a white one.
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@obsidianspider the white ones do have the Best look! I don't have the flair/time/patience for case modding though. Still have a GBA shell stripped and ready for the slaughter
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So i got the big parts stripped off that charge board, replaced the big inductor with a more expensive, flatter wurth one. Since i was doing other stuff as well at the hackspace tonight (making up some DMG bivert boards) I didn't manage any testing :(
Someone also sprung a free DS and DSi on me... :D
Along with some really legit looking bootleg GBA pokemon carts. -
i was messing in my parts bin and found a few of these
http://www.ebay.co.uk/itm/371440045594
the pcb at the end is actually really small. couldnt pry it out of the plastic while i was looking, but desolder the battery terminals and the usb socket, and it looks to be quite tiny!!
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@moosepr I think my board is actually meant for something just like that. this was linked at the bottom of that item:
http://www.ebay.co.uk/itm/2600mAh-Battery-USB-Case-Kit-HOT-Bank-18650-DIY-Power-Box-For-All-Phone-Charger/291950546291 -
here's the reduced size charge/boost board:
removed the USB socket and flashlight switch, swapped the tall inductor for a flat Wurth one
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@ABrugsch whats this? a boost board for ants?
what does the button on there actually do?
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@moosepr as far as i can tell, the switch JUST activates the flashlight LED (the big through hole one) so it's coming off. if it does anything else, I can always wire on a remote one. there are 2 0402 SMD LED's underneath it for status (so far just flash alternating red and blue with no battery attached)
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@ABrugsch When you remove a component that has through hole and surface mount parts to it, like that USB port, how do you go about it? Things like that kick my butt every time and I end up making a huge mess.
How did you go about replacing the inductor? It looks like all of the contacts are underneath it.
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@obsidianspider it was a bit of a bitch tbh... The tall Inductor was in the way of the usb so that had to come off first... Bit of hot air, but not too much because of the surrounding stuff, bit of light prising with the hot iron but again not too much that the opposite pad doesn't lift. And just go back and forth til is comes off. Then the usb port i got lucky with as one side wasn't too well soldered and some wick got most of the through hole part. Then more flux and wick for the surface mount legs with some gentle prising with heavy tweezers.
This was pretty next level desoldering really! But then I'm a soldering ninja ;)
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@ABrugsch If you've seen my cut down Pi 3, you'll notice that I am definitely not a ninja, but I'm working on it.
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@obsidianspider said in Pi in a Dreamcast VMU Build - WIP:
@ABrugsch If you've seen my cut down Pi 3, you'll notice that I am definitely not a ninja, but I'm working on it.
It's not too bad really. Those ribbon sockets are super tricky to get off cleanly. My very first attempt at an A+ looks much worse than that... I'll get a pic...
Edit: check this https://www.hackster.io/abrugsch/mameboypi-ff2428 -
My blue VMUs arrived today. Brand new, perfect shape, and yeah, small. I know I read the dimensions on the Internet, but seeing one in person is different. I hadn't seen a VMU in real life in at least ten years, and wow, this is going to be interesting. Screens are still on their way over from China, but I can work on finding test points for the buttons and hope that there's some common grounding going on.
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