DN Staff

June 6, 2005

3 Min Read
Ryan Demonstrated the Basics of Torsion Mechanics

For Ryan Shannon and friends' complete instructions on how to build your own electronic version of Twister and associated microcontroller code, click here .

Engineering student Ryan Shannon and friends created a high-tech, interactive version of Twister that tracks the positions of players on any of 24 possible locations. A dc motor spins the player position arrow, the location of which is tracked by two photo interrupters. A micro-controller correlates the signals with game position, sending a series of pulses to a sound chip that issues vocal instructions, also displayed on an LCD. To deter the potential for cheating, copper switches on the board track the position of all players.

Electronic Twister parts list

Amt

Part Description

Allied Part #

1

LCD

670-1116

1

10 MHz Oscillator

895-0685

1

4 Mhz Crystal

895-0677

1

Red LED

670-1245

1

Green LED

670-1244

1

Yellow LED

670-1247

1

Blue LED

670-1071

1

100-ft Black Wire

708-9891

1

Speaker

623-2048

1

2N3904

568-8253

1

TIP31C

263-0386

1

5V Regulator

263-0135

1

Breadboard

761-0160

1

12V Wall Transformer

928-9725

1

DC Motor

793-0462

1

Diode

263-1538

1

Photo Interrupter

263-1361

Additional parts required: 25 Pin D-sub cable; assorted capacitors and resistors; PIC 16F84A microcontroller; PIC 16F877A microcontroller; 1 large, 1 small protoboard; Twister board; copper sheet; backing for game board; paint; fasteners, aluminum; sheet metal

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