Our friends at Sparkfun are providing this great kit to learn the basics of soldering. ClockIt is a basic alarm clock with buzzer based on the ever populal ATMega168. If you're just learning how to solder, this kit should take you 15-20 minutes. If you're a weathered pro at soldering, this is a great relaxing build that should take 5-10 minutes.

No programmer required. The ATmega comes with firmware installed!

Features:

Time (AM/PM)

Alarm (On/Off)

Snooze (alarm resumes after a 9 minute snooze)

Kit Includes:

1 x ClockIt PCB

1 x ATmega168 (pre-programmed)

1 x 4-digit display

1 x buzzer

1 x 10uF cap

1 x 0.1uF cap

2 x 22pF caps

1 x 10k resistor

1 x 16MHz crystal

1 x barrel jack

1 x mini power switch

3 x push button reset switches

2 x Screws

2 x Plastic Standoffs

1 x 5V wall wart

Open Source Hardware: Made in the spirit of sharing. The original engineering files are available for mass hackery.

Eagle Files (Licensed under CC v3.0 Share-Alike)

Schematic

Source Code

Assembly Instructions

Improved Source Code Forum Post