![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgOLN7eWBlxgi0XMIIbpQ-k-lghSOH3-k703Ckava1rmLAyD5gpEXOO0nQnAd8pE9u7oM42oZNrSCd9vjfY2lUXUYbOetW4kINE0kCdvBNmt04lErvgcuPQReicuFiYDkYBY2c6B8Bpttg/s200/led-big.jpg)
This is a blinking LED circuit diagram.Here I have used common IC NE555.If you want to change the speed of this circuit you can change the value of R2.Then you can do that.
Note
* Use a PCB to build this circuit
* You can operate this circuit with 9V
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