Speaking Wall Art

Construction

Nine Panels of Vero Stripboard

Eighty One Strips Horizontal

Dimensions

Length 28.5 inches

Height 8.5 inches

Wiring Color Code

Green - Eight Line Data Bus
Yellow - Twelve Line Address Bus
Blue - Twelve Control Data Lines
Orange - Eight Chip Select Lines
Brown - Six Serial and Parallel Control Input Lines
Red - Five Volt Positive Power
Black - Ground Power
Grey - Miscellaneous Wiring
White - Clock Line Wiring

Panel Breakdown

Front Image	Text Description	Fritz Image
	SPO256-AL2 Voice Synthesizer IC
	Audio Amplifier based on LM386
	CTS256A-AL2 Text-To-Speech Controller IC
	System Function Selection with Decoder/Demultiplexer (74LS138) and HEX Inverter (74LS14)
	Data and Address Bus Exchange with Latch (74LS373)
	External RAM (TMS4016-25) Buffer For Text Conversion
	External EPROM (2732A-70) For Custom Text To Allophone Conversion
	Serial Data Transfer Configuration Module with Latch (74LS373)
	Parallel Data Input Option with Octal Latch (74LS374) and D-Type Flip/Flop (74LS74)
	Full Panel From Application Notes

Prior Implementations:

http://wiki.lvl1.org/Speech_Synthesizer,_Now_from_the_Past

http://wiki.lvl1.org/Text_to_Speech_Synthesizer

And what will this device be speaking for:

http://wiki.lvl1.org/Disturbing_Robot_Project