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[DPRG] tutebot brain breadboard layout question

Subject: [DPRG] tutebot brain breadboard layout question
From: Shea.DAVIS at st.com Shea.DAVIS at st.com
Date: Wed May 17 07:26:56 CDT 2000

Miguel,
	Try runing the signal through an AND gate. I have had that problem
before and the AND gate worked as a current booster.  Just tie one input
directly to Vcc and the other to the signal. Then the output goes to the
relay.  I hope this is the help that you were looking for.

Shea Davis



> hi guys - i got another question about the tutebot brain i'm working
on.
> 
> the one relay coil still isn't pulling. (while the other is, and each
> are wired the same... and i know that the connections are correct - and
> each relay is different (from diff companies) but both are 5V.)
> 
> so  i'm wondering if the current is just too low for it to pull - cause
> V is right at or _just_ under 5v.  is there anything i can do to boost
> the current to the coil just when i need it to pull?
> 
> 
> thanks.
> miguel
> 
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