How to disable barcodes
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What's a fast and subtle way to disable barcodes? Say I have multiple barcodes close together [pic related] and i only want one of them to be read be the laser scanner, how to you block the others?
Stores usually block a few lines with a black marker but that wouldn't be very subtle.
Will putting a clear sticky tape over it work, just like when you put a tape in an optical mouse?
I have to ask since I can't experiment myself: no barcode scanner. And yes, I've Googled several methods: black marker, white correction ink, reprogramming the database, printing barcode stickers. All of which are not very subtle and/or practical.
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I harvested three of these projection lenses from a rear projection tv my neighbor was throwing away, and I want to make an RGB lamp out of this one.
My basic idea is to get a pvc floor flange of matching size and mount it to the bottom of the lens tube, to serve as the electronics housing. The lens will face straight up at the ceiling. On the side of the housing will be a power switch and three knobs for red, green, and blue intensity levels.
I've built a few led flashlights before, and this shouldn't be too complex, but it's still a little over my head, and I want your advice on the best way to go about it. Should I use multicolor leds, or individual red, green and blue leds? Power supply concerns? Can I do this easily enough with basic components or should I just say fuck it and go arduino?
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I'm going have my own apartament soon, and I'll be going for a retro-on-high tech style.
For example: some nice PC and peripherals, monitors, nice headphones, and some oldish keyboard (like in this pic I took from /g).
A music room with recording devices, a computer, nice audio, a little midi keyboard and a violin.
Some cool TV set, a home theatre would be nice. All set up to play with a NES.
Can I have some advice/recommendations/ideas about this?
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Hi DIY I am starting my own business selling snacks, drinks, and shave ice. The aspects of the business aside, I was wondering if building my own shave ice machine would be cheaper then buying one.
I know this would be harder and my main issues is that I don't know how to weld nor do I have easy access to machining equipment... so really I think I'm asking if you could make a shave ice machine out of stuff from places like Home Depot. Any thoughts, tips, or ideas would be helpful.
Makers gonna make!
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