How to Add Custom Ringtones to a Wireless Doorbell
By replacing the doorbell’s original speaker with a recording module, the wireless doorbell is able to play custom ringtones. Here is a video summarizing the project.
Soldering iron and solder (optional)
Compressed Air Rocket
Author Note: Since the release of the article in MAKE Magazine Volume 15 in 2008, the Compressed Air Rocket has been popular beyond belief. Â We’ve sold thousands of kits and Kip Kay’s Weekend Project on YouTube has over one million views! Â Now we’re rolling out a Version 2.0 of the launcher as well as the […]