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Unformatted text preview: is HIGH. This closes a relay which turns on the lights. When GO is LOW (0V), the relay opens, interrupts the current, and the lights go off. SOLUTION 2/2 3. Logic Diagram: T0 T3 T2 T1 GO MYSWITCHES GN SECTION 000 March 15, 2010 +5V Master Swutch 1 D0001 D0002 MASTER-OFF_LOW FIRST-FLOOR SECOND_FLOOR GROUND-FLOOR LIGHTS-ON LOW LIGHT 5. Parts List Circuit: SWITCHES Date: Wednesday, October 14, 2009 - 8:55 PM Device Type Num. Used Value References AND-2 (1-Inv) 1 D0002 xnor_3 1 D0001 5V Power Supply, wires, circuit board 6. Netlist +5V FIRST-FLOOR D00001- GO D0002-3 GROUND-FLOOR D00001- Ground MASTER-OFF_LOW D0002-1 S00001 D00001- D0002-2 SECOND_FLOOR D00001- [[A three-input EXOR and an AND gate without an inverting input would also work.]]...
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- Spring '08