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Poor Man's Caliper Upgrade!
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I was angry at the expensive cost of batteries for my digital calipers so I made this!
A simple conversion from button batteries to AAA batteries that are less expensive, you can also use rechargeable batteries that reduce your environmental impact!
Update 1: Slots added to make it easier to remove battery
You will Need:
1 Pen Spring
1 Triple A battery
2 four inch (10 cm) Lengths of wire (preferably 1 red, 1 black)
1 Hot Glue gun+glue or Epoxy/super glue
1 Soldering iron/ solder (I have heard of attaching wire with hot glue so this may not be necessary)
A simple conversion from button batteries to AAA batteries that are less expensive, you can also use rechargeable batteries that reduce your environmental impact!
Update 1: Slots added to make it easier to remove battery
You will Need:
1 Pen Spring
1 Triple A battery
2 four inch (10 cm) Lengths of wire (preferably 1 red, 1 black)
1 Hot Glue gun+glue or Epoxy/super glue
1 Soldering iron/ solder (I have heard of attaching wire with hot glue so this may not be necessary)
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