011: 555 timer bistable mode flip flop with light dependent resistor LDR

Bistable 555 timers hold their output either high or low (bistable), until basically forced to change. A low signal to the reset pin sets the output low no matter what. Whereas a low signal to the trigger sets the output high, as long as there is no low signal to the reset pin.
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Basic electronics circuit fragments and simple circuits 9 555 timer bistable mode flip flop with light dependent resistor LDR diagram by electronzap electronzapdotcom
Basic electronics circuit fragments and simple circuits 9 555 timer bistable mode flip flop with light dependent resistor LDR diagram by electronzap electronzapdotcom

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