Tavvy

built by Johan Van den Brande


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Target Environment	Locomotion Method
Indoors	Treads
Sensors / Input Devices	Actuators / Output Devices
2 Siemens SFH900 IR PD 2 Guitar string whiskers 2 IR Photo detectors	Hacked R/C servos
Control Method	Power Source
Autonomous	Battery
CPU Type	Operating System
Atmel AVR 2313	None
Programming Lanuage	Weight
N/A	N/A
Time to build	Cost to build
N/A	N/A
URL for more information
http://wiki.tektonica.com/bin/view/Robots/MyRobots
Comments
The first robot I built, with these characteristics: slow, power hungry, expensive, useless sensors, a lot of fun to build and program. The actuators of this vehicle are two small hobby servos, patched for continous rotation. It uses a tracked driving mechanism, like a tank, in which a third drive wheel and a driving belt makes the wheels turn. It uses two Ir proximity detectors (SFH900, Siemens), two Ir ambient light detectors(Ir Photo LED) and two pairs of whiskers as the main sensory equipment (Guitar string). Power is drawn from two NiMH 3.6V CMOS batteries and guarantees at least 10 minutes of continuous operation ;-) It has a piezo speaker for making squeeking noices and even has a plug for charging the batteries ... Oh, before I forget, it's brains are a Atmel AVR 2313 running at 4Mhz and the motors are driven by a L293D H-bridge.

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