Please support this site by voting for us!
Electronic circuits that use the 555 Timer

555 Timer Circuits

555 Timers are fun and a great way to start learning electronics

TILT SWITCH Circuit


The output is LOW at start-up due to the capacitor on pin 4. When the mercury switch closes, the output goes HIGH and remains HIGH until the reset button is pressed.  This circuit is called a LATCH.



Comment on this circuit or view the Electronic Circuits Community Forum.