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Old 01-14-2012, 01:59 PM   #27
Noah
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Member#: 111510
Join Date: Apr 2006
Chapter/Region: MWSOC
Location: Chicago area
Vehicle:
04 WRX 16 Xtrek
19 XSR900

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Here is an updated schematic of the circuit I built. The circuit gets its 5V power from the USB cable. My 555 timer wasn't stable because I hadn't tied the RESET line to Vcc initially. After I did that everything worked fine.

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