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Computer Engineering Hands-On Interfacing Activities Graham Smyth Computer Education Consultant Computer Engineering Units Hardware Networking Chips Programming Interfaces The Breadboard Connected (horizontally) Divider Connected (vertically) Connected (horizontally)
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Computer EngineeringHands-On Interfacing Activities Graham Smyth Computer Education Consultant
Computer Engineering Units • Hardware • Networking • Chips • Programming • Interfaces
The Breadboard Connected (horizontally) Divider Connected (vertically) Connected (horizontally)
Parallelport(printer port) 13 12 11 10 9 8 7 6 5 4 3 2 1 Output Pins Grounds 25 24 23 22 21 20 19 18 17 16 15 14 View from back of Computer
One bitInterface 220
Resistor 2 2 X 101 Red Red Brown Gold
LED + = long lead
Interface Wire Stripped Wire Male Pin
One bitInterface 220
1 Byte Interface 220 ohms 9 8 7 6 5 4 3 2 18
Other Projects • Motors -small -medium -large • Lights -DC -AC • Sensors