A low pulse on this pin (below 1/3 of VCC) sets the internal flip-flop and makes the output go HIGH. When the voltage on this pin reaches 2/3 of VCC, it resets the flip-flop, and the output goes LOW.
circuitdigest_preprocess_comment(Array, 'comment', Array) call_user_func_array('circuitdigest_preprocess_comment', Array) (Line: 261) Drupal\Core\Theme\ThemeManager ...
Here is a 1Hz pulse/frequency generator using the popular timer IC 555 which is wired as an Astable Multivibrator. The output pulses can be indicated visually by the LED. An Astable Multivibrator, ...