built by Frederick Mak

Target Environment Locomotion Method
Indoors Treads
Sensors / Input Devices Actuators / Output Devices
IR detectors
video camera
DC motors
camera arm
Control Method Power Source
Autonomous Battery
CPU Type Operating System
Programming Lanuage Weight
Time to build Cost to build
URL for more information
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. Email:

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