This is a retired product. There is an updated version available: KIT-11734
Description: It’s official, SparkFun has made the Big Time, and now you can make it too! The BigTime watch kit is a geekishly stylish digital watch with a velcro watch-band and a slick acrylic enclosure. If it seems familiar, that’s because it’s essentially our open-source branch from the SpikenzieLabs' Solder:Time kit. The heart of the kit is the much venerated ATMega328 using a 32kHz clock-source to keep time. To check the time, just press the button on the side of the watch and it pops up on a 4-digit 7-segment LED display. Thanks to some low-level hackery, the ATMega is running at super low power and should get an estimated 2 years of run time on a single CR2032 coin cell!
The BigTime is a through-hole kit with a low parts-count, so it makes a great project for beginning solderers. After you’ve finished soldering together the PCB, simply stack the acrylic pieces around it and screw them together with the included hex-head screws. Once that’s done, pop in the coin-cell battery and go show off your nerd bling!
Did we mention that the watch kit is super hackable? An FTDI header is broken out to the side of the board and the watch-firmware is running on top of a bootloader! This means that all you need to do to add your own code is to open up Arduino or Wiring and select “Arduino Pro or Pro Mini 3.3V/8MHz w/ ATmega328” as your board.
We’ve updated the BigTime Kit to make it easier to put together! Some PCB changes will make it easy to solder, the changes we’ve made to the enclosure make it easier to assemble and we’ve also updated the Kit Guide!
A soldering iron and wire cutters are the bare minimum tools required. We scoured the earth and found a really fantastic beginner’s soldering iron for $10, solder for $2, and wire cutters for $2. We also have a Learn to Solder version of the kit which includes all the tools you’ll need!
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