Problem statement You are to design a controller for an outdoor light that functions both as an ordinary light, and also

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Problem Statement You Are To Design A Controller For An Outdoor Light That Functions Both As An Ordinary Light And Also 1 (87.43 KiB) Viewed 38 times

Problem Statement You Are To Design A Controller For An Outdoor Light That Functions Both As An Ordinary Light And Also 2 (81.4 KiB) Viewed 38 times

Problem statement You are to design a controller for an outdoor light that functions both as an ordinary light, and also as a motion activated light and alarm. This is how the controller should operate: 1) If the manual switch S is on, then the outdoor light L is turned on. 2) In addition to the manual switch input, there is a motion detector M. When M is activated, the light L is turned on. 3) If motion is detected but the light is already on because S is on, then a second output A, an alarm, is turned on. 4) The disable switch D disables the motion activated light and the alarm, but still allows the manual control operation of the light using the switch S. Also, your circuit should be implemented with NAND gates only. Circuit design procedure - to be included in your project report write up (a) Make a truth table for the two outputs (L and A) from three inputs (M, S, and D). The inputs and outputs are 1 when active or ON (High) and 0 when not active or OFF (Low). List all possible combinations of input values for M, S, and D. (b) For each input combination in the truth table, figure out what the output should be from the operational description of the controller function. (c) Implement the logic circuit using NOT, OR, and AND gates to obtain the outputs. Draw the logic schematic for your design. (d) Convert this circuit to NAND gates only.

Building a logic circuit 1. General guidelines a. You will be using three slide switches to control the three inputs M, S, and D. b. You will be using LEDs of five different colors to indicate the three inputs (M, S, and D) and the two outputs (L and A) 2. Construct the circuit on a breadboard 3. Test the circuit a. Test the various combinations of the inputs to make sure the circuit functions correctly. b. Record the truth table observed on the LEDs for the various input combinations. C. Debug the circuit until the correct truth table is obtained. Alternate solution for less credit If the project is too difficult for you, then you may do a lesser problem by applying one or both of the following discounts: 1) Skip implementing the disable input D: worth 10 points 2) Skip converting the circuit to NAND only form: worth 5 points Deliverables Demo and turn in your solutions with a breadboard circuit. Clearly mark the input switches/LEDs and output LEDs on your circuit product. Circuit demo and report content requirements are the same as the previous Project 1 (report write up includes how you come up with your design and what you have learned in this project).