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Papercrafts at Adafruit! We’re excited to share this Resistor Helper you can download and make yourself. It’s the newest tool in our Circuit Playgroun...
Print out your Resistor Helper in color. It’s sized to fit on one 8.5″ x 11″ sheet. The wheels are paired with small arrows. Cut around the holder and...
Cut out and glue pairs of colored wheels back to back. Liquid glue can make the paper curl a bit, so we recommend drying the wheels under a heavy book...
Line up your colored wheels by the letters and numbers – 4a is the first wheel on the 4-band side, for example. Keep track of your pieces because we’r...
Use a craft knife to carefully cut out the viewing windows in the holder. Double check your windowed holder against your row of wheels so you still re...
Now carefully cut out the inner circles on your wheels, placing each one back in line before cutting the next one. Of course you can always refer back...
Cut small slits over the red dots on the holder (both sides = 8 cuts). This is where the paper fasteners will anchor each wheel.
Shorten the tabs on four paper fasteners with a pair of clippers. This is optional but we think it looks nicer!
Use a ruler to gently score (but not cut!) the fold line on the holder. The holder folds easily and neatly after scoring.
Pierce a paper fastener through a tab on one side of the holder and through a wheel. You can assemble the Resistor Helper with either side as the “fro...
Pierce through the opposite side of the holder and flare out the tabs on the fastener to secure. Repeat with the other three wheels.
Once you’ve verified you assembled the wheels in the right order, carefully glue the corners/edges together of the holder.
That’s it! Use and enjoy! This tutorial also appears on Adafruit and Make: Projects.
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