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Led 555 Timer.
Creation tool for shematic: R1=33kohm R2=33-100kohm R3=1kohm Battery= 6-9 volts
Creation tool: 1= 10uF 50v 1= 33 kohm 1= 33-100 kohm 1= 1kohm 1= Led dioda BreadBoard 1= NE555N Battery clip 9v.
Electronic junk chistmas treeby eltransistor
LEDs for Beginnersby LifeHacking
LED Polarity Checkerby rblades
700 cd LED Bike Light - from OSRAM Spotlightby Almondsbury Puffer
test Grab Bag with misc. electronics provided by Jamecoby wxh
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