Awesome water Level Indicator with ULN 2803 ~ Electrical Engineering World
Summary of AC Circuit Formula | Electrical Engineering Blog
Sliding Garage Doors Making Faster to Access Your Garage - http://www.designingcity.com/sliding-garage-doors-making-faster-access-garage/
These garage doors slide sideways instead of the traditional overhead door. I like the idea but I think I'd miss the wall space
We're considering a side-sliding door for our garage...
RF Sniffer for replay attacks to open gates, cars, and RF remote controlled devices.