555 Timer Astable Mode Circuit Diagram. It doesn't have any stable state ie has two quasi-stable states (HIGH & LOW). The astable function can be The SPICE circuit (top figure) looks almost identical to the block diagram.
The longer lead of a polarized capacitor is the positive and the shorter lead is negative.
Its function is to discharge the timing capacitor in astable and monostable circuits.
It was a final project of electrical measurement course. IN this One in astable mode and another one in mono stable mode. Finally, power up your circuit by connecting the battery to your.








