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Perseus - 2

Tags:
Category: Rolling
Progress: Completed
Cost: 350 EUR
Time to Build: 3 months

Perseus 2, 2007-12-04
General: in an attempt of continuing the perseus 1 project, the first improvement I've tried was to eliminate the need for a remote computer
Platform:
modified RC truck, with servo controlled direction on front wheels, and geared (weak) motor on back wheels for propulsion.
Hardware:
Mini ITX D201GLY2 motherboard with 1.3GHz Celeron CPU, 512MB RAM, IDE2CF and CF2SDCard adaptors for a 2GB SDCard based DOC (disk on chip), M2-ATX DC-DC PC power supply 160W, 4x8 AA rechargeable batteries connected for 10.4V @ 10.4Ah .
Block Schematics:

Functionality:
This design was a failure. The heavy batteries overloaded the motors, and the original H Bridge circuit transistors vaporized. The platform is too weak for the robot's mass.
Additional problems: motherboard resets when motors are triggered since there is only one common power source. Some high capacitors or separate power sources would have solved this.
project was abandoned - seeking for a better platform.
Pictures