Solar Energy Lab 1 ENGR 1181. Today's Learning Objectives  After today's class, students will be able to: Describe and build both a calibration and solar.

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Presentation transcript:

Solar Energy Lab 1 ENGR 1181

Today's Learning Objectives  After today's class, students will be able to: Describe and build both a calibration and solar meter circuit Convert a binary number to a decimal value Discuss how a potentiometer works Explain how a photodiode light sensor works Given a schematic drawing, build a working electronic circuit on a breadboard Use a Photodiode Light Sensor and a Binary Voltmeter circuit to measure the intensity of light (in Watts/m 2 )

Solar Energy Meter In lab today, you will build a solar energy meter circuit to measure the energy intensity from a light source. solar energy meter Output in Watts / m 2 Sun light

Solar Energy Meter Components LEDs Banana Plug Wires 1 Black and 1 Red DMM Circuit Components +5 Volt Power Module Breadboard (Pre-Wired)

Solar Energy Meter Circuit Schematic Breadboard Layout

Binary Voltmeter Calibration Circuit

Trimpot – variable voltage  Total resistance (Pin 1 to Pin 3) = 10 kOhms  Resistance at Pin 2 varies by turning the adjustment knob  Produces V adj output voltage of 0 to +5 Volts on Pin 2  It is a variable resistor V adj

8-Bit Binary Display The LEDs at the output of the Binary Voltmeter are labeled from D7 to D0 The LEDs are either "ON" or "OFF" – for binary numbers "1" and "0" D7 is the Most Significant Bit (MSB) and D0 is the Least Significant Bit (LSB) Any 8-bit binary number can be converted to a decimal number MSB LSB

Task 1 – Build the Calibration Circuit

Task 1 – Calibration Circuit Closeup

Task 2 – Enter Data into the Worksheet

Task 3 – Build the Solar Energy Meter Circuit

Task 3 – Solar Energy Meter Circuit Closeup

Task 4 – Use the Solar Energy Meter to measure the intensity of a light source

Task 4 – Record the Light Intensity data in the Lab Worksheet

TopicDocument Type Marble Delivery SystemNone Quality and ProductivityExecutive Summary CircuitsExecutive Summary Solar Energy – Part 1-- Solar Energy – Part 2Memo (Combined) Beam BendingMemo Wind Turbine 1-- Wind Turbine 2Report (Combined) Problem Solving Project 1 Project Notebook (Combined) Problem Solving Project 2 Problem Solving Project 3