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Transcript
DESIGN DOCUMENT TEAM COUCH STREET REV. 0.95 PAGE 15 Electromagnet/Ferro Fluid Display Testing of the electromagnets on each of the three displays will be done as follows: 1.) Each electromagnet will have a pushbutton switch that will force it to turn on. The circuitry is show below in figure 12V Electromagnet (Low-Range) GPB554B05BB From Arduino TIP102 Figure 10: Electromagnet Test Switch 2.) When the button is not depressed, the electromagnet operates as dictated by the Arduino. 3.) When the button is depressed, the electromagnet is shorted to ground, thus allowing current to flow and the electromagnet to turn on. 4.) If the electromagnet does not work when the button is depressed, check the following: a. Is the power supply on and working correctly? b. Are there any shorts in the system? c. Check each individual component for failures. UNIVERSITY OF PORTLAND SCHOOL OF ENGINEERING CONTACT: JAKE NYLUND
