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meecheekoh

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  1. thank you very much audioguru and hero999 :D (that's a lot of help) ahhh.. so those are the reasons why such thing don't exist (it is not feasible to use that technique). well.. I also have this one idea- (I have not yet made some researches) it is about "easy file sharing"- copying of files from a flash disk to another without using a computer. Don't know yet if this already exist~ have any ideas? (oopss.. Sorry- i think this one is out of thread) again, thank you in advanced! =D
  2. The number of aircraft accidents involving birds are too alarming that's why I have come to an idea to use ultrasonic waves to repel them so that the incident of planes being hit by a flock of bird will not happen. I have done researches about this, but I found out that bird repellents were only installed at home, industries and at the airport T.T I might not be the only one to think that the airplanes itself badly need this bird repellent to be installed on the aircraft (not in the airport alone) and I wonder why they (the companies that manufactures these repellents) are not doing it in the first place? Could someone give me a hand with this one? I want to propose this topic on our feasibility study. (Need do some researches before i raise this topic on the class) Thank you in advanced! :)
  3. ??? i have purchased a wrong 7segment part no. i have bought els411 instead of els422. the nearest electronics store is a 2.5hours trip from my province and i can't afford to travel that far to purchase a common anode led display. i am currently working on my project using 7447. could i still use my common cathode led display for my project? if yes, how can i do that? please help..
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