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. We’ve sold thousands of kits and Kip Kay’s Weekend Project on YouTube has over one million views! Now we’re rolling out a Version 2.0 of the launcher as well as the […]
