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Do you have an old TV lying around? Want to do something fun with it? Are you hanging around radio shack all day and cant find anything to do there? (get a life *ahem*)
Then pull out those screwdrivers, or... wallets, because there is an interesting use for them!
Then pull out those screwdrivers, or... wallets, because there is an interesting use for them!
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Signing UpStep 1Parts: the easy part
N-P-N transistor
Infrared phototransistor
9V battery
LED
2 yel,vio,brn resistors
Simple eh!
Infrared phototransistor
9V battery
LED
2 yel,vio,brn resistors
Simple eh!
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Aug 18, 2010. 3:39 PMDIY-Guy
says:
Very nice. Simple. Love it! The original schematic has a note that a part is backwards, could you explain please? Or update the drawing please? Thanks AlDude999!
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Aug 22, 2010. 3:55 PMaldude999 (author)
says:
I drew the LED's polarity wrong. Just reverse the polarity if it dosnt light up to Infared waves. Thank you for your feedback!
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