Robot Building for Beginners, Third Edition

CHAPTER 14 ■ VARIABLE RESISTORS ■ Note Thorough readers with good memories will dredge up my advice not to purchase or use compo ...

CHAPTER 14 ■ VARIABLE RESISTORS Like potentiometers, photoresistors are available in a variety of resistance ranges and physical ...

xx ■ Chapter 1: Welcome Robot Inventor! Introduction .......................................................................... ...

CHAPTER 14 ■ VARIABLE RESISTORS Remember when you had to choose a resistor size to compromise between LED brightness and battery ...

xxi ■ CONTENTS ■ Chapter 25: Launching the Line-Follower .......................................................... 373 Correcti ...

CHAPTER 14 ■ VARIABLE RESISTORS Part List for Balanced Brightness-Sensing Circuit -- – 9 VDC power supply R1 – 470 W resistor ( ...

xxii ■ CONTENTS Resistor Networks .............................................................................................. ...

CHAPTER 14 ■ VARIABLE RESISTORS Because of the balancing potentiometer (R1) and the striking contrast of the line on the floor, ...

xxiii ■ CONTENTS Dallas Personal Robotics Group Roborama ....................................................................... ...

CHAPTER 14 ■ VARIABLE RESISTORS Current-Limiting Resistor In Figure 14-15, R1 is called a current-limiting resistor. Because all ...

xxiv ■ CONTENTS Designing a Robot Body ......................................................................................... ...

CHAPTER 14 ■ VARIABLE RESISTORS Determine the amount of voltage being used in the path. V at beginning - V at the end = total ...

xxv About the Author David Cook is the host of Robot Room, having written nearly a hundred articles on the subject of software, ...

CHAPTER 14 ■ VARIABLE RESISTORS As the floor in front of the robot becomes darker, the photoresistors increase in resistance. If ...

xxvii Acknowledgments I would like to acknowledge that it was I who ate the last cupcake. It was not, in fact, the dog. I want t ...

CHAPTER 14 ■ VARIABLE RESISTORS The voltage at TP1 and the voltage at TP2 vary based on the amount of light seen by the pair of ...

xxix Introduction I wrote this book because I love building robots. I want you to love building robots, too. It took me a while ...

CHAPTER 14 ■ VARIABLE RESISTORS The trimpot (R2) will probably be marked “203,” which represents “20” followed by three zeros, w ...

xxx ■ INTRODUCTION The most recent version of the kit is LEGO MINDSTORMS EV3. The prior versions of LEGO MINDSTORMS Robotics Inv ...

CHAPTER 15 Comparators You’re in the midst of prototyping a line-following robot on a solderless breadboard. At this point, the ...