- An overview of the circuit board and box interior - note that the circuit board normally lies face down over the box interior, and has been turned over for the image.
- This is what the interior looked like before I added the parts necessary for battery operation.
- If you're curious about all of the extra space, I went through a few other designs that didn't work out as well as the current setup. I think the burn marks say it all... :)
- R1 is buried under hot glue, but it is there...and the same for C4 and C5 - the small ceramic caps that aren't very well distinguished from the phenolic board.
- The case overall is much larger than what is needed - I worked for a short time to get the design battery powered, but dropped it.
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