Smart Light Lab - Procedure
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Apr 3, 2024
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ENGR 1181 Lab 4: Smart Light
Lab Procedure
ENGR 1181 | Lab 4: Smart Light -Lab Procedure -
Worksheet Guidelines
ENGR 1181 Lab 4: Smart Light
Lab Procedure
Lab Procedure
ENGR 1181 Lab 4: Smart Light
Lab Procedure
Introduction and Background Objective: Simulate, build, and test the smart-light circuit described in the Preparation Material. Make sure you have gone through the Preparation Material and have completed and submitted the Pre-Lab Quiz. The fundamental concepts covered therein are needed for successfully completing this Lab. The platform for conducting the simulation portion of this lab is called Tinkercad, a modeling program that allows design of different scenarios. Under the circuit category, students can place electric components into a breadboard and make connections between elements in the same way that would be done in the physical lab. Once the circuit is built and the simulation is started, the components behave as in reality –
for example, if the current through an LED is too high, you will see it burn! The step-by-step procedure for getting started in Tinkercad and simulating the smart light circuit is described and illustrated in this document. Important: Tinkercad does not support the Circuits mode in tablets. You will need a laptop or desktop for conducting the simulation portion of this lab.
ENGR 1181 Lab 4: Smart Light
Lab Procedure
Getting Started in Tinkercad 1.
Using a laptop or desktop (not a tablet) access tinkercad.com and click on “Start Tinkering”. 2.
Create an account using your email (no need to select join a class). Make sure to use your buckeyemail address. 3.
Click on the Tinkercad logo in the top left corner to access your Tinkercad Dashboard. 4.
Click on Circuits on the left side Tab. 5.
Click on Create new Circuit. 6.
Assure you have all components selected to start building your circuit (Figure 1). The step-
by-step process for creating the smart-light circuit is in the Procedure document. Figure 1: Components View in Tinkercad that can used to locate the necessary components for the smart-light circuit. Smart Light Lab Setup The circuit diagram for the smart-light system is illustrated in Figure 2. In part 1 below you will find all the steps needed to simulate this circuit using Tinkercad. In part 2, you will find repeat the process to build it with physical components.
ENGR 1181 Lab 4: Smart Light
Lab Procedure
Figure 2: Circuit schematics of the smart-light sensor system.
Step-by-Step Procedure –
Part 1: Tinkercad Simulation 1.
Breadboard: Search for breadboard and select the “Breadboard Small” component
. Drag and place the breadboard in the working area. Rotate the component using the button located in the top left corner, so it is vertical as in Figure 3. Figure 3: Inserting a breadboard. 2.
Connect the buses:
Remember that in a breadboard all the holes in the columns labeled +/- have the same potential. It will be handy to have positive
and negative buses on both sides of the breadboard, so we’ll
also connect them with
wire. Red is positive and black is negative. Later, once we are done with all the connections, we will connect the power supply –
it’s not safe to wire a circuit with power on! To connect a bus to another, simply click on one of the
ENGR 1181 Lab 4: Smart Light
Lab Procedure
holes and drag the wire until another one and click on it. After they are connected you can edit the color. Figure 4: Connecting postive and negative buses in the breadbord. 3.
10k
Ω
resistor
: Now we will add the 10k
Ω
resistor, highlighted in Figure 5. Select and drag the resistor into the breadboard. Place it between points 4d and 8d. Then, change the resistance value to 10kΩ
, as illustrated in Figure 6. Figure 5: Smart-light circuit schematics.
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