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Step 9ATTACH FLEXIBLE CONTACTS
Into each of the solder holes you have marked on the sensor board in Sharpie pen, insert one flexible contact and solder it in place. If a mark falls between two holes, simply choose the hole that the mark is closest to.
Take a second to look at the second picture shown above. You will see a common situation -- the board has been cut in such a way that some of the contacts are not connected to a shift register at all. In this case, you need only solder a jumper wire between these unconnected contacts and any of the unused pins on the rest of the Sensor Board.
IMPORTANT: In 99% of the cases, you will want to attach the contacts so they stick out underneath the Sensor Board (i.e. on the opposite side from the chips). However if you have a Royal typewriter, you will want to go about things differently. Please read this note about Royal Typewriters before continuing.
Take a second to look at the second picture shown above. You will see a common situation -- the board has been cut in such a way that some of the contacts are not connected to a shift register at all. In this case, you need only solder a jumper wire between these unconnected contacts and any of the unused pins on the rest of the Sensor Board.
IMPORTANT: In 99% of the cases, you will want to attach the contacts so they stick out underneath the Sensor Board (i.e. on the opposite side from the chips). However if you have a Royal typewriter, you will want to go about things differently. Please read this note about Royal Typewriters before continuing.
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