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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