DESIGN AND CONSTRUCTION OF RUNNING MESSAGE DISPLAY  

2006-10-30
The running message display is an electronic display that uses LED technology to produce visible light. LED stands for light emitting diode, which is a device that uses semiconductor technology ...

DESIGN AND CONSTRUCTION OF CLAP ACTIVATED REMOTE CONTROL SWITCH  

2010-11-01
This project offers a way to control up to four latching switches with two claps of your hand. The first clap takes it out of standby state and starts a ...