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ASCII ARTPlease, can anyone help me with a design for a contact closure to TTL
converter, if possible with a variable output pulse. Many thanks in
advance.
I don't think that's *quite* what OP meant but you answered the questionIn article <ln8vm09iqg971kjrn6u6bj8siva1rf77cm@4ax.com>, Bob <Bob> wrote:
Please, can anyone help me with a design for a contact closure to TTL
converter, if possible with a variable output pulse. Many thanks in
advance.
ASCII ART
5V
!
/
\ 4.7K
/
! !\ 74LS04
+-----! O----------- Output
! !/
O
/ Switch
!
GND
The longer you hold the button down the longer the pulse.
Me, Too!kensmith@green.rahul.net (Ken Smith) wrote:
In article <ln8vm09iqg971kjrn6u6bj8siva1rf77cm@4ax.com>, Bob <Bob> wrote:
Please, can anyone help me with a design for a contact closure to TTL
converter, if possible with a variable output pulse. Many thanks in
advance.
ASCII ART
5V
!
/
\ 4.7K
/
! !\ 74LS04
+-----! O----------- Output
! !/
O
/ Switch
!
GND
The longer you hold the button down the longer the pulse.
I don't think that's *quite* what OP meant but you answered the question
admirably and made me laugh.
AOL
On Fri, 15 Oct 2004 23:17:03 +0000, ChrisGibboGibson wrote:
kensmith@green.rahul.net (Ken Smith) wrote:
In article <ln8vm09iqg971kjrn6u6bj8siva1rf77cm@4ax.com>, Bob <Bob> wrote:
Please, can anyone help me with a design for a contact closure to TTL
converter, if possible with a variable output pulse. Many thanks in
advance.
ASCII ART
5V
!
/
\ 4.7K
/
! !\ 74LS04
+-----! O----------- Output
! !/
O
/ Switch
!
GND
The longer you hold the button down the longer the pulse.
I don't think that's *quite* what OP meant but you answered the question
admirably and made me laugh.
AOL
Me, Too!
/AOL
Cheers!
Rich