Saturday, February 16, 2008 - 01:42 PM, (1917 Reads)
I got a pololu chasis, tamiya gearboxes, a pololu dual serial motor controller... and the damned controller does not work... so as an experiment I picked up a boarduino, and retested everything... still no workie... so I'm sending back the controller...
I refuse to give up however so I plugged an L293DNE into the board next to the boarduino... it works, but only with a motor supply current of 6V(4xAA batteries) I tried 3V(2xAA) and it was a no go. The motors are rated at 1.5-3v... hrm.... I've got some questions to ask. The 293 runs at 4.5-6v... and I have it on the 5v vcc from the boarduino(thats the reference voltage for the chip)... I'm not sure it it will push 3v through as 2x1.5 motors though... does the 6v battery pack for the motors get its voltage split? If so I'm great... if not its gonna melt these motors... but hey it works!
here is a pic and link to the gallery with a few pics of my lame bot.
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