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![Three Fives Discrete 555 Timer Kit [v2.0] : ID 1526 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1526-00.jpg "Three Fives Discrete 555 Timer Kit [v2.0] : ID 1526 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Three Fives Discrete 555 Timer Kit [v2.0] : ID 1526 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits
NE555 IC 555 Timer DIP-8
npn - Driving LED with 555 timer and BC639 transistor - Electrical Engineering Stack Exchange
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