Child-sized cocktail cabinets

[Sam Seide] dropped us a line about his new arcade creation. We loved his Punch-Out build that used a punch dummy as a game controller. This time around he’s made some mini-cocktail style MAME cabinets. He removed the screen from a netbook and placed it face-up underneath the acrylic bezel. There are controls on either side for two players as we would expect from any quality cocktail cabinet. The control panels are interfaced through the now familiar iPac boards and are a bit unfinished on the underside but that doesn’t decrease our need to see one of these on the coffee table at home. Check out demo and an outline of the parts inside after the break.

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Crossfade curve tweaking

Tired of the disappointing performance from the crossfader on his Numark MIXDECK, [dj JD] cracked it open and made the crossfade curves adjustable. It’s a super-simple hack that just introduces two 100k trimpots to the crossfade slider. The change led to a higher volume level on the current channel until the slider was much nearer to the center. The added adjustment feature might be nice to have as two more knobs on the board but [JD's] method leaves his equipment with a stock appearance. Is this a more refined version of circuit bending?

Brighten up your PCB drilling station

Being able to see what you’re doing can be the hardest part of drilling the through holes in those freshly etched printed circuit boards. We don’t know why we didn’t come up with this, but [Markus Gebhard] solved his shadowy woes with his 20-LED Dremel light ring. Honestly, how many times have we seen lights rings in photography without putting it together that a light ring is perfect for this purpose. So kudos to [Markus], now we’ve got to go and dig up some surface mount LEDs and uncork the copper chloride.

Moving speakers to mix audio tracks

These speakers play different audio tracks depending on which orange square the sit atop. They’re RFID aware and the orange tiles are tags. If you get tired of a track just move the speaker to a different one, or place the speakers next to each other to play the same song. We’re sure there’s a project for us here, it’s just going to take some thinking to figure out what we want to do with it. But the concept is certainly intriguing. Check out the video demonstration after the break.

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