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RCX Top with no batteries installed

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Here's the same view, but with the batteries removed. I marked a + and - just above the 9v battery spots so I can tell which way the 9v batteries are supposed to be installed. The electrical tape is to ensure that 9v batteries with metal cases don't short things out.

I had to cut holes in the green plastic in order to get the 9v batteries to fit. I was able to leave enough plastic at the top and bottom so that the AA cells don't "fall in". Bigger...

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Copyright 2006 by Dave Hylands