Cited as a reference · for some experience
Push on off latching circuit using a push button switch | 555 timer projects
Why people recommend it
Used as the starting schematic and explanation for a 555 push-on, push-off switch, which builders adapted, though some hit reliability or interference problems.
Watch for: Builders report false triggering and switch-off faults
In their words
I took common schematics, replaced the button circuitry with an inverting transistor (Q5) and added a 100uF capacitor (C2) to pin 6 and 2 to help keeping the HIGH state for a bit.
BummBummSteffen on electronics.stackexchange.com, Nov 2021. CC BY-SA.
