PT-A02 by Frederick Mak

PT-A02 is a tank based prototype (This is a fully functional 
prototype robot. That's why there is no PCB on it.)mobile robot
powered by two independent 12V and 6V power supply. In order 
to avoid the DC motors's noise interference with the BS2-IC, the
IR detectors and the wireless receiver, I've used the photocoupler 
to trigger the power darlington transistor. This
tele-remote robot can be operate in automatous/manual mode. In
manual mode, the user can control the view angle of the video
camera, accelaration of the robot and the robot's arm. Each 
instruction send to the robot is secured with 5 bits of
authorization code. If there is no vaild transmission from the 
host, the robot will protect itself by hiding the video camera
in its chase, turn off the video camera for power-saving and 
operate in automatous mode until vaild transmission is detected.
This robot takes approximately 1 second for each instruction 
when it is opearated in manual mode.I am still working on the
programming of this robot so that it can response faster.


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