The DS1307 is an easy to use real time clock, goes great with the 32khz crystal we mentioned last week. Add a 3V coin cell to the battery pin and this chip will keep track of the date and time for many years. You know it, you use it, you love it – the part finder.
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Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Steve Ballmer Serves Up a Fascinating Data Trove
Wearables — Chalk it up
Electronics — Look to ferrites (no, not ferrets, the European polecat) when faced with high frequency
Biohacking — A Run in the Altra IQ Smart Shoes
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