Clock Ticking Sound Circuit using 555

Timer IC 555 has many possibilities to entertain electronic engineers and make productive in electronic circuit…

Door Knob Touch Alarm Circuit

Simple Door Knob Touch Alarm Circuit is constructed by using timer IC 555 and few easily available…

Simple Timer Alarm Circuit using IC 555

To Construct short duration timers and alarm we don’t need expensive microcontrollers, we can create snooze…