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TOBY When you think of Afghanistan, think of Poland. When you think of the Taliban, think of the Nazis.
Five Lessons About How To Treat People -- Author Unknown 1.
Eating 10 hot dogs in 6 minutes and belching the national anthem may impress your friends, but neither of those feats will do much for your body—at least not much good. Instead, why not train yourself to do something that may actually pay off?
When I became involved in the Clinton Impeachment proceedings in 1998, and "outed" Henry Hyde, the Chairman of the House Judiciary Committee, as a serial adulterer and thus a hyper hypocite, I was the victim of abuses of Congressional power by Hyde and Tom Delay with threats of an FBI inquiry and Federal prosecution.
This is what you need: 1 Ikea RIBBA shadow box - $10 98 white LEDs - $7-10 (buy in bulk on ebay) 98 1KOhm resistors - $3 1 Arduino (or an ATMega168/ATMega328 and extra hardware - 5V regulator, crystal, etc) - $7 (for standalone chip and extra hardware) or $30 for arduino USB board 3 ULN2003A Driver ICs - $1.89 at Digikey 3 HCF4094 shift registers - $1.44 at Digikey 1 Barrel-plug connector - $0.38 at Digikey 2 Buttons - scavenged from old electronics 1 6V or 7V DC wall wart - scavenged from old electronics, or ~$4 online 1 sheet colored paper (used for a hint of color around the border) 1 9" square piece of cardboard (used to hold LEDs in place) 1 cereal box (cut up to make light baffles - see step 3) 1 black garbage bag 2 printed transparencies (see attached pdf on step 2) - $1 1 protoboard for microcontroller, driver ICs, etc. - $5 Total cost: around $44 (using standalone ATMega168) or $67 (if you buy a full Arduino)