How to make a DIY mechanical paper clock Rock around the clock with this cool little project.

Made up a cardboard fold-template first to check the size was OK then transferred that to the plate and off we go. A quick review of the internet reveals the pinout for the clock and the backlight.

Our clock cost $10.19 for materials and a few minutes pawing through the scrap-wood pile. A few stray pieces of 4/4 red oak and a scrap of 1/4-inch walnut plywood, and the project was ready.

The clock is driven by the ubiquitous 28BYJ-48 stepper motors that can be found on eBay for a few bucks. They don’t have much torque, but all they have to do here is turn a cardboard disk.

If you’ve never heard about electronic paper, crawl out from under that rock and read up on the Sony Reader and the Amazon Kindle. E-paper is a flexible display made of color-changing beads t… ...

We've shared some DIY alarm clocks before, and you've even shared your techniques with us too. But when we saw this diabolical, money-shredding alarm clock (pictured above), we figured few things ...