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Pulsing Slot Mod


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#1 postal worker

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Posted 01 September 2010 - 12:03 AM

i am trying to do a pulsing slot mod and i can't read this schematic as it is small

IPB Image

there is a 12f629 pic , a momentary switch, point 1,2,5 & 8 are used but i can't make out how the leds go.

#2 RDC

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Posted 01 September 2010 - 02:15 AM

Pin 5 connects to the LED Cathodes (- side) and the Anodes (+side) connect to the power source, so the PIC is turning on/off the Ground connection to the LEDs.

You should drive only 1 LED max from the pin on that PIC, it can't really sink enough current to drive any more than that and it looks like there are 2 in parallel in that schematic. It may work out alright with a couple of them, depending on the duty cycle of the thing, but it should only drive one LED per pin to be safe.


#3 postal worker

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Posted 01 September 2010 - 05:51 AM

Thanks RDC i knew you'd come to help...

you numero uno




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