Build the circuit shown.
![]() Circuit of an astable multivibrator with timer 555. (Enlarge) |
![]() Circuit diagram of an astable multivibrator with timer 555. |
If you connect the battery, the LED begins to flash alternately. The oscillation period t is determined by the capacitor C1 and resistors R1 and R2.
A gated astable multivibrator can also be built using the NE555 timer...