Bedazzler: DIY non-lethal weaponry

Step 2 Build it: The PCB

You'll want to start by getting an LED plate fabbed at your favorite PCB manufacturer and acquiring all the materials necessary (image 2a).

Start by soldering in one color of LEDs (in the photo there are a few LEDs soldered in from other strings. Go with green to start. (image 2b)

You'll want a nice powerful soldering iron, use leaded solder since its hard enough to solder to the copper plane! (image 2c)

Use 1 ohm (or so) 1210's for the balancing resistors (image 2d)

For testing you'll want a benchtop supply, or use an ATX power supply with a jumper between the green power line and ground (image 2e)

Test the LEDs to make sure you put them in the right place. Each 'string' is 6 LEDs. (image 2f)

Solder in all the green LEDs (image 2g)