EE-100 Engineering Laboratory Module1: PCB Dr. Ing. Ahmad Kamal Nasir [Office Hours] Tuesday (1000-1100) Friday (1000-1100) Room 9-345A (EE Dept. Right Wing) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 1
Module 1 WEEK1 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 2
PCB Module Week 1 Introduction to basic electronics components Introduction to conventional/non-conventional PCB fabrication Lab Visit: Overview of workshop facilities Demonstration of etching and soldering Demonstration of PCB CNC milling and drilling Week 2 Introduction to Proteus ISIS Introduction to circuit schematic design and simulation Tutorials: Create computer schematic and simulate circuit Lab Task 2: Create schematic drawing in Proteus ISIS Week 3 Introduction to Proteus ARES Introduction to circuit layout design Tutorials: Create computer PCB layout for electronic circuits Lab Task 3: Create Layout drawing in Proteus ARES Week 4 Lab Task 4: PCB Soldering and Troubleshooting 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 3
Reference Design and Technology James Garratt 2 nd Edition Cambridge Edition Chapter 6 Control electrics and electronics 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 4
ELECTRONICS BASICS (REVIEW) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 5
Voltage/Current Measurements 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 6
Resistor 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 7
Resistor Color Code 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 8
Voltage Divider 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 9
Variable Resistor 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 10
Light Dependent Resistor (LDR) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 11
Thermistor 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 12
Lab Task 1(a) The following circuit is used in a mobile robot to detect the amount of light present in the environment. The circuit uses a LDR as light sensor. Answer the following questions using the information provided to you. LDR Sketch the graph of V out against intensity? Sketch the graph of V out against intensity if the position of resistor R and LDR swapped? Redesign the value of the resistor such that V out = 1V at a light intensity of 1 Lux? BAT1 10V GND R1 10k 1.0 Vout 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 13
Capacitor 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 14
Diode Can we use a diode as voltage divider? 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 15
Light Emitting Diode (LED) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 16
Switches 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 17
Transistor Base current flows, when the base is at-least 0.7V (Silicon) higher then emitter voltage. How much is the amplification? β = I c I b 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 18
Relay What is the advantage of a relay over a transistor? 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 19
Relay Application 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 20
Lab Task 1(b) The relay in the circuit turns on when 50mA of current flows through its coil. The transistor used in the circuit has β = 100 and V b = 0.7V How much base current is required to turn on the transistor? At which voltage (Vin) the motor will turned on, considering RB = 2k2? 1 2 12V 1 2 Vin 10k GND RB 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 21
Reference: Design and Technology, Page #149 Timer 555 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 22
Reference: Design and Technology, Page #140 Operational Amplifier (Op-Amp) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 23
Through-Hole/SMD Components 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 24
Lab Task 1(c) The following circuit uses thermistor and an op-amp to control the temperature of a room. The fan is required to maintain the room temperature at 25 C. At what voltage (V +) the fan turns on? What is the value of resistance R1 required to just turn on the fan. The resistance of thermistor (RT1) is 10KΩ at the temperature of 25 C? 1 2 12V +tc R1 THR 25.00 R2 10k V+ V- R3 10k GND 3 2 4 11 1 1k FAN 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 25
PCB PROTOTYPING CONVENTIONAL 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 26
Bread Board 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 27
Reading Reference: Design & Technology Chapter 6 Vero Board (Matrix/Strip) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 28
Reading Reference: Design & Technology Chapter 6 Single Layer PCB Prototyping Workflow 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 29
PCB Nomenclature 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 30
SMD Technology: Pick and Place Machine 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 31
SMD Technology: Reflow Oven 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 32
CONVENTIONAL PCB PROTOTYPING 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 33
Print Outline for PCB Cutting 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 34
Cut Butter Paper / Peel Off Sticker Side 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 35
Print Layout using Laser Printer 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 36
Negative Image of Printed Layout 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 37
Cut/File PCB Board 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 38
Transfer Layout Image on PCB 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 39
Ink Transferred on PCB 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 40
Use Hot Water and FeCl3 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 41
Fecl3 and PCB Inside Etching Tank 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 42
Add boiling water into the tank and stir the solution 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 43
Exposed copper is being dissolved into FeCl3 solution 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 44
Wash after Etching 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 45
Use Petrol to remove Printer Ink from Etched PCB 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 46
Hand Drilling 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 47
Prepare Butter Paper for Silk Screen Printing 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 48
Transfer Silk Screen on PCB 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 49
Prepare Soldering Work Station 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 50
Apply Soldering Paste and Embed Resistors 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 51
Solder Component Legs 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 52
Solder Components (Smaller to Bigger) Testing (Power Up) 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 53
NON-CONVENTIONAL PCB PROTOTYPING 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 54
CNC Machine 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 55
Create CAD/CAM Files 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 56
Import PCB Outline/Tracks/Drill Layer into CNC Machine Software 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 57
Create Drilling Marks and Milling Outlines 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 58
Final Output 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 59
Video Demonstration PCB Drilling PCB Milling 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 60
Lab Visit Conventional PCB Prototyping Non-Conventional PCB Prototyping 24 Jan 2016 Dr. -Ing. Ahmad Kamal Nasir 61