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laser ttl module

Jake's workshop

Sep 24, 2017
1
Joined
Sep 24, 2017
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Is it something wrong if I use 12v power supply to turn on ttl module of a laser engraver instead of 5v?

thank you for the answer

Jake
 

hevans1944

Hop - AC8NS
Jun 21, 2012
4,759
Joined
Jun 21, 2012
Messages
4,759
Why would you even think this would work? TTL (Transistor-Transistor Logic) levels are limited to a range of zero to +5V. Applying 12V to a TTL module is NOT a good idea. Are you asking because someone has already done this, and now the laser engraver doesn't work? RTFI before messing with expensive toys.
 

dorke

Jun 20, 2015
2,342
Joined
Jun 20, 2015
Messages
2,342
Why would you even think this would work? ... Applying 12V to a TTL module is NOT a good idea. .

Unless you want to blow-up all the TTL ICs (smoke isn't guaranteed but they will blow and crack).
Anything above 7V would do a good destruction work.;)
 
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