Robot Building for Beginners, Third Edition

CHAPTER 17 ■ DC MOTORS Limitations of Brushless Motors Because of the voltage requirements of the chips and components on a brus ...

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 17 ■ DC MOTORS Simple DC Motor Circuit DC brush motors are very easy to experiment with. You only need a motor, battery, ...

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

CHAPTER 17 ■ DC MOTORS Selecting a Battery for the Simple DC Motor Circuit You must exercise a little care when selecting the ba ...

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

CHAPTER 17 ■ DC MOTORS Connect one end of the red jumper lead to the positive battery terminal and the other end of the red jump ...

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

CHAPTER 17 ■ DC MOTORS Most DC motors spin at 3000 RPM to 8000 RPM. At the high end, that means the motor can rotate its shaft a ...

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

CHAPTER 17 ■ DC MOTORS However, you can measure even tens of thousands of RPM very accurately by a device called a tachometer. F ...

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 17 ■ DC MOTORS Mounting putty is available at local hardware stores, office supply outlets, and even some supermarkets. ...

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

CHAPTER 17 ■ DC MOTORS Contrast the electric screwdriver with a computer fan. The computer fan has lots of speed, but the fan bl ...

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

CHAPTER 17 ■ DC MOTORS I find gf-cm the most graspable torque unit for small robot motors. Table 17-4 lists other common torque ...

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

CHAPTER 17 ■ DC MOTORS The example of a soda can connected one centimeter away isn’t totally accurate because the can itself is ...

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