Question

how to set timing of 555 timer i c

Answer 1

depending on the functions (astable, monostable or bistable), the values of the external resisters and capacitor determines the duty cycle of 555 timer.

Answer 2

Read Bolstered Electronics Device & Circuit Theory Book In 555 timer and if are you know must better then you read operational amplifier claflin i hope you learn must batter

Answer 3

see data sheet of NE555 u can rc cominations every thing is there...read that

Answer 4

IT DEPENDS ON THE RESISTANCE VALUES AND CAPACITOR VALUES WE USE FOR SYSTEM OPERATION .