Brief 555 bistable mode flip flop alternating LEDs circuit

Switching and keeping (stable) an output on or off (bi) with signals (voltage levels) can easily be done with the well known 555 timer integrated circuit wired in bistable mode.

Brief circuit schematics with short video – List of pages

555 timer pin layout illustrative diagram by electronzap electronzapdotcom
555 timer pin layout illustrative diagram by electronzap electronzapdotcom

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Brief 555 timer monostable one shot mode circuit

Diagram

Simple 555 timer bistable mode flip flop alternating LEDs circuit schematic diagram by electronzap electronzapdotcom
Simple 555 timer bistable mode flip flop alternating LEDs circuit schematic diagram by electronzap electronzapdotcom

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Video

 

Output goes high when set/trigger button is pressed. Output goes low when reset button is pressed. Output is always low if reset button is held low.

Quick 555 timer bistable flip flop mode circuit schematic to breadboard build by electronzap

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  • Information on this site is not guaranteed to be accurate. Always consult the manufacturer info/datasheet of parts you use. Research the proper safety precautions for everything you do.