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Snap a picture of your ADAFRUIT clock and post it here!
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Re: Snap a picture of your ADAFRUIT clock and post it here!

by wacker on Tue Aug 01, 2017 2:53 am

This was mainly an exercise, to see if an arduino uno would run a parallel 8-bit 240x320 LCD and the spi port without clashes.
It is fine, using the excellent Adafruit libraries to drive the lcd, and the RTC DS3234 on the spi pins, and an added font.
Strangely hypnotic watching the seconds tick over ! Thanks guys.
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wacker
 
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Re: Snap a picture of your ADAFRUIT clock and post it here!

by chris101 on Fri Nov 24, 2017 11:19 pm

Image

Stopwatch with hundredth second precision, using a 3V trinket pro, battery charger backpack, 128 x 64 oled, chronodot, assorted switches, resistors capacitors and a 10K pot. The lens gives it a bit of Jules Verne appeal.

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Re: Snap a picture of your ADAFRUIT clock and post it here!

by chris101 on Sat Nov 25, 2017 12:34 am

Image

This master "atomic" clock only has a few Adafruit parts, but they are essential (the chronodot and 128x32 oled), an Arduino Micro, the guts to a wwvb radio clock, some high brightness colored LEDs, a quad opamp, a bunch of vintage resistors, capacitors and other hardware. The hours, minutes and seconds are sent via a littleBits wireless device to several slave clocks.

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Please be positive and constructive with your questions and comments.