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    CAN SOMEONE TELL ME WHAT KIND OF RELAY SHOULD I USE!!!!!!

    I  was trying to make this build up this sound activating switch, but i cont what kind of relay should i use. please provide me with a link when i can buy the right relay from ebay or amazon, or anyother place. thank you.. i attached the schematics thank you very much. k-36.pdf
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    Help on clap switch

    Hi everyone, i am trying to build my own clap switch.. i found this schematic on Google and i liked it. But i believe this schematics works only with a single clap. what do i have to do to make it double clap switch(clap- clap ON,  clap clap OFF) thank you for your time..
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    POV Help!!!

    Hi there, I really wanted to build a POV display.. so can anyone please help me with the steps i have to do and the schematics too.. thank you I really appreciate it
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    Laser alarm system not working correctly..

    Hi guys, i am a first year college student and this is my first project to build by myself.. and i need help. I build this laser alarm system and it works good. the Alarm sounds when the laser is broken and it stops when the laser is not interrupted. But the problem is when the laser is...
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