Son of Zylatron

built by Mike Otis

Target Environment Locomotion Method
Indoors 3 Wheels
Sensors / Input Devices Actuators / Output Devices
IR sensors
matrix keyboard
modified R/C servos
voice synthesizer
LCD display
Control Method Power Source
Autonomous Battery
CPU Type Operating System
BASIC Stamp None
Programming Lanuage Weight
BASIC 2 lbs. 2 oz
Time to build Cost to build
several weekends around $500
URL for more information
This is my next addition to a family of personal home robots! Son of Zylatron is seen at lower left, with Father Zylatron in the background. For more technical info about Zylatron, see its RoboMenu entry.

Son of Zylatron has 3 computers, and is partially built up from a BoeBot robotics parts kit. Several additional computer stages were added and networked using a circuit designed to act like a mini-token ring. The greatest challenge was duplicating the functions of the previous robot and keeping all the parts tiny and the weight down so as not to overtax the two servos.

The primary level is a Basic Stamp 2 computer mounted on a BOE, Board of Education. The second level is a more powerful Basic Stamp 2SX computer with expansion cards on top, including a Parallax AppMod solderless breadboard and prototype board.

At top, a StampMem circuit board provides extra memory, and a Basic Stamp I OEM computer is wired to handle I/O and dedicated processes. An electronic voice can function on either the Basic Stamp 1 or 2, using a vintage voice synthesizer IC set (General Instruments SPO-256). The chip uses allophones, an advantage over specific phonemes, giving it capability to speak any language as programmed.

Motion control is provided by two 45 gram servos modified for continuous rotation. IR gives ranging information for navigation, and two whiskers provide tactile feedback. A serial LCD reports parameters. A MemKey interface, and micro matrix keyboard are recent additions.

For voice input commands, there is a dedicated Voice Direct Speech Recognition kit, which can be trained to recognize words or phrases in any language.

The BS2 and BS2SX computers are programmed by downloading instructions with an HP desktop computer using Windows 98 and a serial cable. The BS1 is programmed using a Twinhead laptop with DOS and a parallel cable.

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