Oooops! That didn't work out well. I connected my multimeter to the MOTOR header and then connected my battery (5 Cell 6V NiMH) to the BOARD header and immediately burnt the trace running from the ground connector on the BOARD header to the barrel connector. I can repair the connection with a jumper wire but I'm not sure what I did wrong so I'm a little leery about connecting my battery to the board again. According to the Robostix power page <http://docwiki.gumstix.org/index.php/Robostix_power#Robostix_Voltages> it should be able to handle up to 9V so I'm wondering if this event was the result of a connecting the multimeter. What do you think?
----- Forwarded Message ----
From: Dustin Webb <dustinjwebb@...>
To: General mailing list for gumstix users. <gumstix-users@...>
Sent: Saturday, August 15, 2009 10:39:54 PM
Subject: Re: [Gumstix-users] Gumstix, Robostix, and Serial Communication
> Make sure your batteries are fully charged, and that you have minus
> connected to ground and plus connected to BOARD +5.
The connections are correct and battery fully charged. However my experiments haven't involved my battery. I have interfaced a circuit of my own design with the Verdex/Robostix stack. As such I have built my own voltage regulator and am using it to supply power to the Verdex/Robostix. I have been assuming that I could get this working and then replace the AC source a battery. It seems though that when I connect my battery to BOARD it everything works as desired! So the question becomes, can I draw power from the stack instead of applying power to it? For instance, can I attach my battery to the BOARD header and then connect my circuit to the MOTOR header to supply it power? Seems like I should be able to but I plan on testing it.
Once again I appreciate the tips.