Start stop using one push button
Start stop using one push button
(OP)
Hi,
I am trying to use the one push button to start and stop. I am using difu for the rising edge and a standard latch but my trouble is how to get it stop the second time the button is pressed. Has anyone any experience in this?
Thanks
I am trying to use the one push button to start and stop. I am using difu for the rising edge and a standard latch but my trouble is how to get it stop the second time the button is pressed. Has anyone any experience in this?
Thanks





RE: Start stop using one push button
TTFN

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RE: Start stop using one push button
Thanks
RE: Start stop using one push button
TTFN

FAQ731-376: Eng-Tips.com Forum Policies
Need help writing a question or understanding a reply? forum1529: Translation Assistance for Engineers
RE: Start stop using one push button
RE: Start stop using one push button
I believe this is the instructors term for "plagiarism". :)
RE: Start stop using one push button
The easiest 2 line code is as follows.
Pushbutton Trigger
---[P]-----------( )---
Trigger coil coil
--] [---]/[--+---( )---
Trigger coil |
--]/[---] [--+
The rising edge of the pushbutton turns on Trigger, then Trigger will make the circuit on branch one if coil is off, or break the circuit on branch 2 if coil is on, as its a one shot, the next scan coil will remain at the changed state.
Then coil can be used to energise a lamp or other indication so you know the status.
RE: Start stop using one push button
I prefer to use a counter, but to each his own.