built by Pedro Silva

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Target Environment Locomotion Method
Indoors 4 Wheels
Sensors / Input Devices Actuators / Output Devices
493.92 Mhz RF modem 4 S148 futaba servos
493.92 Mhz RF modem
Control Method Power Source
Autonomous Battery
CPU Type Operating System
Programming Lanuage Weight
Time to build Cost to build
URL for more information
Zorba is powered by an ATMEGA103 from ATMEL that features 128kb of program flash, 4kb ram and 4kb eeprom for data.All of the boards, schematics, designs were made by me at my small bedroom, the atmega103 is programmed in BASCOM AVR basic compiler from MCSelec, the motors are 4 converted S148 futaba servo motors controlled by a dual H-Bridge (L298) in pwm, but as soon as possible i will change it for a L6202 DMOS H-Bridge that have less dropout voltage, and an 493.92 Mhz half-duplex rfmodem with an DPC64 encoder/decoder 64byte chip from ABACOM. For a supply i use a 6V 3Ah2 Sealed lead acid battery that gives lot of power, the charger is already made and will be posted soon. The hole robot is been controlled from the computer using Visual Basic 6 and i hope in a far future using Labview (very far!!!) In the future zorba will have, b/w wireless video camera suported by a 4 axel arm, infrared object detection, compass among many other sensors.

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