Hi,
I'm currently using a SN754410en to drive a motor. max 1.5A. The
SN74410en can interface directly to the BeagleBone Black. It works
great.. but I'm going to need more power for my outdoor robot. Once I find
the platform I will build on I'll know for sure. right now 20A stall
current per wheel appears to be the target. I was thinking of going with a
Lynxmotion 4x4 base or a Dagu 5 Rover, or building my own chassis out of
aluminum stock. This wouldn't be my first robot, but this time instead of
an indoor robot I would like to build one that can navigate with sonar and
gps. Dead Reckoning will be important too. Currently I am testing i2c
sensors. I've got accelerometers, barometers, thermomoeters, this weekend
my level shifter boards should be here so I can test my SFR08 sonar.
I've got the motor driver working but I am just looking at the output on an
oscilloscope right now. I haven't found a base.
I'd prefer to build my own motor driver because my goal is to build a
robot shield. The shield will have all the on board sensors such as gps,
accelerometers , temperature, humidity, barometric pressure, wheel
encoder logic, battery current/voltage sensor, and motor driver.
Possibly camera too. The HD camera will always be an HD GoPro feed. The
camera on board will be for object tracking only.
The usb port will more than likely be used exclusively for wifi. BTW I
am getting great results with the UNW200 for Logic Supply.
I'm curious to see if anyone else is looking at building an outdoor robot
platform and what chassis have they found.
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