Blinking Led 555 Timer

click here# 555 timer in astable mode

blinking led with variable frequency

Components required

1. NE555 timer ic

2. 1k resistor

3. 100k resistor or potentiometer for variable frequency

4. 4.7uf capacitor

5 .0.01uf cap

6. Breadboard

7. some jumper wires

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