Craig Morris
UNITED STATES OF AMERICA • + Follow
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Description
LED matrix Christmas tree ornament
A minimal, snowflake-shaped LED matrix Christmas tree ornament. An ATTiny24 displays scrolling messages on a charlieplexed 5*8 LED matrix display.
An ATTiny24 controls all aspects of this device. It scrolls up to 5 unique, 18 byte long messages on
its charlieplexed LED matrix display. The display is driven directly by the ATTiny using 7 pins, with no other supporting hardware. It is powered by a 3V coin cell, and uses an average of 8 mA during normal operation, and 5 uA while sleeping. The button is used to switch between displayed messages, and to enable/disable sleep mode.
More to come!!!
Nov 22,2018
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LED matrix Christmas tree ornament
2 Layers PCB 38.1 x 37.7 mm FR-4, 1.6 mm, 1, HASL with lead, Blue Solder Mask, White silkscreen
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Published: Nov 22,2018
Download Gerber file 15
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- MANORANJAN DAS Nov 22,2018
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