Ryan Demonstrated the Basics of Torsion Mechanics

June 06, 2005
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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