piclist 2002\06\18\034016a >
Thread: interfacing a a relay (automotive world)
www.piclist.com/techref/io/motors.htm?key=relay
flavicon
face BY : Erik Jacobs email (remove spam text)



> You may try the ULNxxxx chips. Go to DigiKey.com and search for 'uln'. I
> think they have high gain (darlington) and already include the base
> resistor and reverse voltage diodes.

here is the techsheet for the ULN series:

http://www-s.ti.com/sc/ds/uln2004a.pdf

Now... I'm a little confused with the COM connection.  Would that go to,
say, +12V, in the case where the relay coil is connected between +12V and
output C?  And E would just get tied to ground?

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.


<CGEHKNOKMKIIJJJLMJDLKEMNEDAA.emj14@columbia.edu> 7bit

In reply to: <GLELIINDKPOAJIPGGAFDKEIGCFAA.tal@zapta.com>
See also: www.piclist.com/techref/io/motors.htm?key=relay
Reply You must be a member of the piclist mailing list (not only a www.piclist.com member) to post to the piclist. This form requires JavaScript and a browser/email client that can handle form mailto: posts.
Subject (change) interfacing a a relay (automotive world)

month overview.

new search...