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Make: Electronic Skill Badge

Learning to solder has never been so easy.

Make: Electronic Skill Badge

At Maker Faire, we teach folks to solder for $1 in the Maker Shed store. What do you get for $1? Not much these days! Well, that’s just not the case here. For just $1, you get expert advice on how to solder and a really cool electronic skill badge!

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Steps

Step #1:

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Make: Electronic Skill Badge
  • Check your kit's contents. You should have:
  • Printed circuit board
  • Rainbow LED
  • Battery holder
  • 3V CR1220 battery
  • Tie-tack pin
  • Tie-tack clutch

Step #2:

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  • Start by adding a "blob" of solder to the battery pad on the back. Just a little will help the battery stay snug in the holder.
  • Next, place the battery holder in the printed circuit board (PCB). It goes on the back of the PCB, and is oriented according to the silk screen on the board.
  • Now you can solder the battery holder from the front of the pin. Flip it over, and place it on a flat surface.
  • Now heat up the pins of the battery holder with your soldering iron and solder it in place.

Step #3:

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  • Next solder in the tie-tack pin.
  • Place the pin though the hole in the front of the PCB. It will not fall through the hole; just let it go!
  • Now apply heat to the pin from the back, and solder it into place.

Step #4:

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  • Now add the light-emitting diode (LED).
  • First, note which wire lead is longer on the LED. This wire is the anode, or positive (+), lead and will eventually be inserted into the hole marked (+) on the PCB.
  • The shorter lead on the LED is the cathode, or (-), lead. This is placed in the (-) hole on the PCB.
  • Now that you have identified the (+) and (-) leads, hold the LED so it is oriented correctly on the board and bend the leads 90° down towards the board.
  • Now you can insert the LED into the PCB. It should sit flat against it.
  • Flip the board over, and spread the leads apart. This will keep the LED in place
  • Solder the LED in place.

Step #5:

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  • Finish it up!
  • Now all you have to do is insert the battery.
  • Make sure the (+) side of the battery is facing up.
  • Now you can pin it to your bag, hat, or whatever and show off your soldering skills!

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