Jul 6, 2005 #1 D DrWhoF Advanced Member level 1 Joined May 6, 2005 Messages 402 Helped 24 Reputation 48 Reaction score 11 Trophy points 1,298 Activity points 4,388 Can someone come up with a simple method of preventing 555 from generating a pulse on power-up? Thanks
Can someone come up with a simple method of preventing 555 from generating a pulse on power-up? Thanks
Jul 6, 2005 #2 T throwaway18 Advanced Member level 2 Joined Jun 9, 2005 Messages 594 Helped 101 Reputation 202 Reaction score 24 Trophy points 1,298 Location Kent, UK Activity points 8,347 Re: 555 on power-up You might be able to do somthing with a three pin brownout detector and a gate or some transistor switching to blank the pulse. Depends on the timing.
Re: 555 on power-up You might be able to do somthing with a three pin brownout detector and a gate or some transistor switching to blank the pulse. Depends on the timing.
Jul 6, 2005 #3 I IanP Advanced Member level 7 Joined Oct 5, 2004 Messages 7,929 Helped 2,311 Reputation 4,624 Reaction score 531 Trophy points 1,393 Location West Coast Activity points 66,416 Re: 555 on power-up Below is a simple, but in the same time quite reliable solution to this problem. Regards, IanP
Re: 555 on power-up Below is a simple, but in the same time quite reliable solution to this problem. Regards, IanP