19uA + 0.1uA - 12 LED Hourglass - Low power AVR MCU - 60 minutes - Sleep mode Atmel ultra battery

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Flyandance
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Published on ● Video Link: https://www.youtube.com/watch?v=n_deed3HwIE


Duration: 2:19
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12 LEDs display 60 minutes by blinking it briefly (each LED is 5 minutes). This consumes about 19uA in countdown mode, and less than 0.1uA during power OFF; 2 buttons: left reset the timer and power it ON/OFF; right pause the timer.

PS. the final project consumes only 8.8uA + a brief LED blink that consumes 60uA with 6 LEDs blinks at 0.5Hz. This is an advanced low power LED project powered by a button cell battery.



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