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Interactive Control in
Engineering Projects
Electronics and Control
To days Challenge !!
Design a model Electric Hand Dryer suitable for use in an
Engineering Room.
The dryer should activate automatically when a person
places their hand near the air flow and automatically switch off
after a set period of time.
Visual indicators are required to show that the unit is
operational or in standby mode.
The design should also include a means of visually
inspecting any electronics or mechanisms used.
The model must operate on a voltage supply of 9V or lower
and must not exceed 300 mm x 300 mm in size.
Control for Projects
Student Project Board (5 inputs, 8 outputs)
5 Inputs:
5
6
7
2
3
4
8 Outputs
6
7
P.I.C.
2 Digital
6 LEDs
0
1
1
2
2
2 transistors
3 Analogue
Process
Control for Projects
How are PICs used?
• Purchased blank
• Inserted into a circuit board
• A control program is developed and tested on the computer and
downloaded to the PIC.
INPUT
PROCESS
OUTPUT
Controlling your Project
Switch Input
Motor Output
Design your
Control Program !
Switch Control of the Fan
Light Control of the Fan
Automatic control of Hand Drier