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Archive for the ‘Heart Spark’ Category

Heart Spark V2.0!

June 17, 2013mrericboyd No Comments »

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I’ve finally managed to make more Heart Spark V2.0s! It’s been a lot more trouble than I anticipated – basically, I had some beginners luck with soldering the 0.4mm pitch pins on the ATTINY24, and once that luck ended, it took me a long time to get it working again. New paste, some layout changes, […]

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Heart Spark V2.0

August 2, 2012mrericboyd 1 Comment »

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The new version of Heart Spark is finally available! The new Heart Spark has a whole series of design changes: New rectangular shape, since so many people complained about the Heart shape 16 HUGE LEDs in a line New microcontroller (attiny24) saves a lot of power, increasing battery life to at least 50 hours! Three […]

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