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The 4017B is a decimal counter great for lighting effects, creating a series of events without the use of a microprocessor. Related components NE555
CD4017B Decade Counter  squencer ic
NE555 timing ic general purpose. Manufacture generic. Very versatile ic can be used for motor speed control, light flasher, single shot timer, sound generator & more
NE555 Timing ic
LM78L05 500ma max 5 volt dc voltage converter chip an easy to use converter. max input volts 18 volts DC
Easy to use 5 volt voltage converter chip