Skip to content
Logo

Hackaday

  • Home
  • Blog
  • Hackaday.io
  • Contests
  • Submit
  • About

Day: March 26, 2006

How To Reverse Time

March 26, 2006 by Eliot 24 Comments

[moddy] sent in a couple of his projects that would probably be entertaining on a Sunday afternoon. The first one is how to reverse the rotation of a battery powered travel clock. It’s just a simple modification of the plate the coil is wrapped around. The second is adding 9V battery terminals to a cell phone. Neither project is practical, but they’re still fun.

Continue reading “How To Reverse Time” →

Posted in Cellphone Hacks

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • After Decades, NASA May Finally Replace Mars Relays

    4 Comments
  • 2026 Hackaday Supercon: Announcing Our First Round Of Speakers

    No comments
  • Raspberry Pi RAM Restrictions No Big Deal, Frankly

    100 Comments
  • The First Floating Nuclear Power Station

    20 Comments
  • FCC ISM Rules May Shatter Lora Mesh Communities

    117 Comments
More from this category

Our Columns

  • UDP Broadcasting And The Brave New World Of IPv6

    4 Comments
  • DIY Router On X86 E-Waste: OpenWrt And OPNsense

    22 Comments
  • Hackaday Links: September 20, 2026

    21 Comments
  • What Are Your Indispensable Software Skills?

    74 Comments
  • Hackaday Podcast Episode 387: Superhuman Clocks, CAN In USB-C, And The Joys Of Bare Metal

    1 Comment
More from this category

Search

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe

If you missed it

  • After Decades, NASA May Finally Replace Mars Relays

    4 Comments
  • 2026 Hackaday Supercon: Announcing Our First Round Of Speakers

    No comments
  • Raspberry Pi RAM Restrictions No Big Deal, Frankly

    100 Comments
  • The First Floating Nuclear Power Station

    20 Comments
  • FCC ISM Rules May Shatter Lora Mesh Communities

    117 Comments
More from this category

Categories

Our Columns

  • UDP Broadcasting And The Brave New World Of IPv6

    4 Comments
  • DIY Router On X86 E-Waste: OpenWrt And OPNsense

    22 Comments
  • Hackaday Links: September 20, 2026

    21 Comments
  • What Are Your Indispensable Software Skills?

    74 Comments
  • Hackaday Podcast Episode 387: Superhuman Clocks, CAN In USB-C, And The Joys Of Bare Metal

    1 Comment
More from this category

Recent comments

  • Jack Dansen on UDP Broadcasting And The Brave New World Of IPv6
  • Hugo Oran on Modern USB Controllers On Win98 (and Up)
  • Nic on Raspberry Pi RAM Restrictions No Big Deal, Frankly
  • Carl Vehse on After Decades, NASA May Finally Replace Mars Relays
  • Phil Karn on FCC ISM Rules May Shatter Lora Mesh Communities
  • Greg A on Modern USB Controllers On Win98 (and Up)
  • Kip Houser on Standalone DJ System Runs On ESP32
  • Phil Karn on FCC ISM Rules May Shatter Lora Mesh Communities
  • Joshua on Modern USB Controllers On Win98 (and Up)
  • Phil Karn on FCC ISM Rules May Shatter Lora Mesh Communities
Logo
  • Home
  • Blog
  • Hackaday.io
  • Video
  • Submit A Tip
  • About
  • Contact Us

Never miss a hack

Follow on facebook Follow on twitter Follow on youtube Follow on rss Contact us

Subscribe to Newsletter

Copyright © 2026 | Hackaday, Hack A Day, and the Skull and Wrenches Logo are Trademarks of Hackaday.com | Privacy Policy | Terms of Service | Digital Services Act | Do not sell or share my personal informationCookie Management
Powered by WordPress VIP
Loading Comments...