Thread: Use of Arduino to control a Spike Relay
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Unread 02-07-2011, 23:19
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Doc Davies
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Re: Use of Arduino to control a Spike Relay
I do understand that the Spike is not powered by a PWM signal...we just use a PWM cable and so generically refer to it as the "PWM input to the Spike"..... I realize that the black is ground, white is 5V (TTL) for forward and the red is 5V (TTL) for reverse.

I checked the references you included. My impression is that it should work, but there was one mention that the 5V source might not be able to source enough power. I'm not familiar with the 2004 EDU RC. Can you tell me how much the TTL output lines could source?