BigTime Watch Kit

£20.60 Ex VAT
£24.72 Inc VAT

sku: KIT-10870  

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 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.

Kit Includes
  • 1 x Pre-programmed ATMega328 DIP IC
  • 1 x 4-Digit 7-Segment Display
  • 1 x 32kHz Crystal
  • 1 x 10kOhm Resistor
  • 2 x 0.1uF Capacitors
  • 1 x Right Angle Tactile Button
  • 1 x 20mm Coin Cell Battery Holder
  • 1 x 20mm Coin Cell Battery
  • 4 x 4-40 Screws
  • 1 x Allen Wrench
  • 1 x Watch Band
  • Acrylic Enclosure Parts
  • Assembly Guide
Features
  • Very hackable ATMega328-based kit with Arduino boot loader
  • All through-hole components
  • Estimated 2-year battery life
  • Laser-cut acrylic enclosure
  • Large, easy-to-read display
  • Adjustable watch-band
Documents

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  • Model: TIMEWATCH-KT

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