Blinking LED psd
a 555 timer in astable operating mode
This is effectively the "hello world" of the 555 Timer, and the basis of a number of other circuits. The speed and duration of the blinking are governed by the values [R1] and [R2].
Bill of Materials
|C1||1µF||Electrolytic capacitor; 1µF; voltage 10V|
|LED1||LED-05G||5mm LED green|
|VCC1||9V||9V battery, PP3 or similar|
This project is published under the terms of the BSD License licence.