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Would 7-Segment Backpack (ID: 1271) work with any LED displa
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Would 7-Segment Backpack (ID: 1271) work with any LED displa

by ieyfort on Thu Jan 27, 2022 12:36 pm

would like to build a clock with larger LED display (like 3"), can i source the LED from mouser and connect the appropriate pins to the backpack and it will still work? do i need to be concerned with the LEDs' current draw through the backpack?

ultimately what i want is a multi-timezone clock with six displays (including timezone abbreviation) all driven from the same arduino (or raspberry pi if i have to).

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Re: Would 7-Segment Backpack (ID: 1271) work with any LED di

by adafruit_support_bill on Thu Jan 27, 2022 2:07 pm

It would have to be a common cathode display. The HT16K33 driver chip can handle 200mA per character (~ 25mA per segment).

Display pinouts do vary. And a 3" display will probably not plug straight-in. So you will need to run jumpers from the display to the board.

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