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How to blink led ?

With a NE555

The NE555 is a common circuit in electronic world. It is used to make some timer wiring. It's perfect to make a blinking led

To blink a led, the NE555 has to be configured in astable. The wiring is realy easy, datasheet provide the schematic.

Resistors and capacitor has to be choosen for about 1Hz, and RL switched with the led and a 470Ω resistor


It blinks !