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92 led charlieplexed ring circle watch, matrix

Handmade arduino 92led charlieplexed ring circle matrix display wristwatch, geek

Designed by Bobricius in Slovakia

92 led charlieplexed ring circle watch, matrix 1

92 led charlieplexed ring circle watch, matrix 2

92 led charlieplexed ring circle watch, matrix 3

92 led charlieplexed ring circle watch, matrix 4

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92 led charlieplexed ring circle watch, matrix 7

2016-04-06T10:47:14.627Z-DSC07714.JPG

2015-12-22T12:55:52.889Z-DSC07400.JPG

2015-12-22T13:17:49.743Z-DSC07398.JPG

2016-04-06T10:45:51.667Z-DSC07707.JPG

2016-04-06T10:47:14.627Z-DSC07715.JPG

2016-04-06T10:47:14.627Z-DSC07713.JPG

2016-04-06T10:47:14.627Z-DSC07716.JPG

$69.00

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Sold out since Feb 04, 2016

I am sorry, by covid pandemic situation, Slovak post closed delivery to Australia. Last year was shipping closed from March > to November. Nobody can answer my how long it can take.

Handmade arduino 92led charlieplexed ring circle matrix display wristwatch, geek

It is based on an ATmega running with internal 8MHz clock and external 32kHz crystal for keeping the time (RTC). The code and system have been tweaked to lower the power consumption as much as poss...

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It is based on an ATmega running with internal 8MHz clock and external 32kHz crystal for keeping the time (RTC). The code and system have been tweaked to lower the power consumption as much as possible. The watch currently uses about 1.2uA in idle (non-display) mode and about 13mA when displaying the time. With a 200mAh regular CR2032 battery you should get 2-3 years of use!

Functions:

display time (hours, minutes) 60LED for minutes (BLUE), 12LED hours (RED) 20LED matrix marquee (4x5) (green - on video is RED but I sell now Green version !!!)
set time (long button press)
Arduino compatible firmware

Wrist strap another color 18mm etc.ebay

board diameter: 50mm

set time:

press left button (wake up), then press and hold right button until middle point start flashing. set time by repeating press left/right buttons or hold for faster counting no button press for about 2 seconds save time

You receive assembled and tested PCB board, is wearable but of course non waterproof !!!

You receive:

assembled, fully tested and working board
no battery
black or red/black wrist band included.

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$69.00

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Out of Stock

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Sold out since Feb 04, 2016

Bobricius

Sarisske Dravce, Slovensko, Slovakia

69 Reviews | 1,053 Orders

Usually ships within 1 day

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