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Step 6Battery Board
The hardest part of this is getting some solid battery contacts. I was lucky to find some perfect sized contacts and found a great way of attaching them to the board.
If you couldn't scavenge any your best option is to look at the pictures and try to cut something similar out of a piece of tin can (or if that's too tricky use a drinks can).
I cut out small slots where my battery contacts were going to go. I then threaded the small tabs through these slots, bent them over and 'tied' the contacts down with some thin wire.
I was then easily able to solder the contacts into position. Making sure that some of the copper track they were attached to was still free for attaching wires.
The other components are simple to place on. Notice that I have put the resistor tying the button to ground on the battery board so that I only have to run 3 wires (not 4) to the main body)
When attaching the wires that will go to the other boards leave them nice and long and you can get the exact length later.
If you couldn't scavenge any your best option is to look at the pictures and try to cut something similar out of a piece of tin can (or if that's too tricky use a drinks can).
I cut out small slots where my battery contacts were going to go. I then threaded the small tabs through these slots, bent them over and 'tied' the contacts down with some thin wire.
I was then easily able to solder the contacts into position. Making sure that some of the copper track they were attached to was still free for attaching wires.
The other components are simple to place on. Notice that I have put the resistor tying the button to ground on the battery board so that I only have to run 3 wires (not 4) to the main body)
When attaching the wires that will go to the other boards leave them nice and long and you can get the exact length later.
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