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555 timer delays

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berries

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hi,

i just to wanted to know, which capacitor and resistor should i use in 555 timer to have a delay of about 30 secs if possible? or for about 15 secs before it changes its output?

thank you...

:)
 
hi,

i just to wanted to know, which capacitor and resistor should i use in 555 timer to have a delay of about 30 secs if possible? or for about 15 secs before it changes its output?

hi,
Download and install from this link.
https://www.electro-tech-online.com/blogs/ericgibbs/125-simple-7555-cmos-timer-calculator-v1-2.html
thank you...

:)

Download and install from this link.
https://www.electro-tech-online.com/blogs/ericgibbs/125-simple-7555-cmos-timer-calculator-v1-2.html
 

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