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> Pulsing Slot Mod, Help Please
postal worker
post Sep 1 2010, 12:03 AM
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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.
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RDC
post Sep 1 2010, 02:15 AM
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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.
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postal worker
post Sep 1 2010, 05:51 AM
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Thanks RDC i knew you'd come to help...

you numero uno
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