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Author Topic: MAX7219 in the UK.  (Read 1056 times)
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fungus
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« Reply #30 on: October 11, 2012, 11:33:37 am »
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Quote from: dhenry on October 11, 2012, 09:55:03 am
As you would otherwise, with resistors, comparators, adc, etc.

So...a bunch of external components.

So we're agreed. Chips like the MAX7219 "save a lot of work/components".
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« Reply #31 on: October 11, 2012, 12:24:45 pm »
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So...a bunch of external components.

A bunch of components, right.

A bunch of external components, not necessarily.
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« Reply #32 on: October 11, 2012, 12:42:54 pm »
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Quote from: dhenry on October 11, 2012, 12:24:45 pm
A bunch of external components, not necessarily.

Post a schematic...

(or a quick sketch of one)
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« Reply #33 on: October 11, 2012, 05:03:28 pm »
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Post a schematic...

In your AVR's datasheet.
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