RCX Top with battery installed

Here's a picture of the modified RCX with a 9v battery installed. The circled - in the the top right (front of the RCX with the infrared detector) and the circled + in the bottom left are the ones that connect to the microprocessor board.

You can see two 3 pin jumpers, labelled + and -. These jumpers are positioned so that they're between the AA cells. When both jumpers are installed then 9v batteries can be used. When both jumpers are removed, then 6 AA cells can be used. Bigger...

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Copyright 2006 by Dave Hylands