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4.8 Breathing LED

Components needed
Power Supply
Capacitor (220uF) x2
Schematic
Get Started with Circuits
LED
NPN-Transistor
(2N3904)
CH 4
Resistor (100Ω)
Resistor (10kΩ) x2
Resistor (47kΩ) x2
555
555 timer
37

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