Converting battery operated switch toys to 3-12v power supply(555 IC)

[mark3]

Hi
Can any one help with clear wiring diagrams in converting battery
operated switch toys (3-12v) safely to 3-12v power supply via 555 IC
timer circuit.

Thankyou
Mark

 

[John Fields]

Hi
Can any one help with clear wiring diagrams in converting battery
operated switch toys (3-12v) safely to 3-12v power supply via 555 IC
timer circuit.