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An early version of Seeker on the go at DorkBot2007. The TU Computer System (otherwise known as the eBoX2300 is where most of Seekers' "brains" will be.
An
Atmel STK200 sporting an
Atmel MEGA162 microcontroller handles the low level i/o functions of reading sensors and sending commands to the motors.
Have since added a second
Atmel AVR. This one is in an
Olimex P40 8515 board. The reason is that the single Atmel could not get accurate timings on the compass module while it was busy sending rs232 data, updating the clock, etc. This second module will be dedicated to reading the compass with no other interrupts to interfere with timings.
The wheelchair motors are controlled by two
Victor 883 motor controllers.
Left Side
Back Side
Right Side