Smart Library System

Facing problem finding a book at library???, here's some basic concept on how to seattle down ur problemo.

http://www.youtube.com/watch?v=GCDQuQIzpdg

IC tester

By using this type of solution, u can test thousand of oldschool ic at ur school lab. It. combination of serial port and visual basic. have a look :http://www.youtube.com/watch?v=HcKtu0LK0-s

Traffic light maintenace system with SMS

Now, i would like 2 show another basic concept on how to send sms.Circuit involved:

(1) PIC 16f with optoisolator for protection
(2) GSM modem
(3) Handphone w
(4) 2 unit of simcard
(5) Traffic Light model
(6) Running light circuit

for review: http://www.youtube.com/watch?v=in1bwK5S-9o

u can also check up on how to send sms and turn on any load such as fan, motor pump and so on. u can check the video on : www.youtube.com/watch?v=7Lqj7RzcW-k


Bye.