Robot Building for Beginners, Third Edition

CHAPTER 27 ■ ENCORE The simplest sense of touch is a pushbutton of some form. Appropriate pushbuttons for touch sensing have lon ...

CHAPTER 27 ■ ENCORE By observing the time between the appearances of a signal, an appliance can decode commands, which is the ba ...

CHAPTER 27 ■ ENCORE For breadboard applications, oscillators are available in the space-saving half-can size (see Figure 27-16) ...

CHAPTER 27 ■ ENCORE Voice recognition is difficult enough for high-powered computers, much less a robot. However, recording and ...

CHAPTER 27 ■ ENCORE A robot tends to become fairly wide when you add wheels and couplers directly to a motor shaft with the moto ...

CHAPTER 27 ■ ENCORE Out of the box, servos are wonderful for positioning arms and legs or for aiming sensors. By opening the cov ...

CHAPTER 27 ■ ENCORE There are more complicated disc patterns, like Gray coding, from which the robot can tell the exact position ...

CHAPTER 27 ■ ENCORE ■ Tip LCDs consume much, much less power than LEDs. That’s why solar-powered calculators use LCDs. Other tha ...

CHAPTER 27 ■ ENCORE Houseplant-Watering Robot The robot normally sits on a charging base. Every once in a while, it would drive ...

CHAPTER 27 ■ ENCORE Micro Snowplow You’d place a robot similar to the roof rat outside on the driveway when it started to snow. ...

CHAPTER 27 ■ ENCORE An illustrated guide with complete details for Robot Sumo appears at http://www.robotsumo.com/. Robot Sumo c ...

CHAPTER 27 ■ ENCORE Seattle Robotics Society Robothon Every year, the Seattle Robotics Society holds Robothon, an open house gat ...

APPENDIX A ■ Appendix A: Appendix A This appendix contains notes and other items not covered in the main portion of the book. It ...

APPENDIX A ■ APPENDIX A resistance in ohms = voltage in volts / current in amps o r... voltage in volts = resistance in ohms × c ...

APPENDIX A ■ APPENDIX A Let’s say you find a 220 W resistor. You measure the voltage by touching the multimeter probes to each e ...

APPENDIX A ■ APPENDIX A Things I’ve Accidentally Destroyed While Writing This Book Sometimes after I read a good book about robo ...

APPENDIX A ■ APPENDIX A After wiring and soldering up a couple of micro switches (see Figure A-4), they were installed in the li ...

APPENDIX A ■ APPENDIX A In writing a book, a lot of time is spent researching and validating facts. Since it’s going to be on pa ...

APPENDIX A ■ APPENDIX A As you move forward in electronics, you’ll run across other terms for voltages. It’s worth knowing these ...

APPENDIX A ■ APPENDIX A Practical Example On a 74LS04 (bipolar-based) chip, the power supply pins are labeled VCC and GND. The p ...