Zip Tie Stand-offs
Making a powerful programmable keypad for less than $30.
Vehicle Accessory Webbing
Cheap, crash resistant portable T Copter (in apprx 200 USD)
Apartment Solar System
Mistick - as in Mist Stick!
Arduino Powered 3-zone thermostat
Encyclopedia of ATX to Bench Power Supply Conversion
Laser Tripwire Alarm
Arduino based House Heater Controler with SMS User Interface
Hydraulic Ram Pump
Laser Triggered Countdown