1. electrical signaldigital signal Actuators and acting

3. response actuatorcontrol program analog quantity, e.g. pulse train digital quantity, e.g. power % interface goForward(50)car drives forward Open loop control Program controlled power supply

4. RCX Actuators NXT Actuator 2 wire cable 2x2 plate connector RJ12 connector 6 wire cable

5. LED For Dummies LED on all the time

6. Manually operated switch

7. ground V+ GIO general input/output Programmed on/off

8. ground V+ Programmed on/off

9. A relay is an electrical switch that opens and closes under the control of another electrical circuit

10. H-bridge

13. voltage = duty cycle * 9 volt

18. response actuatorcontrol program analog quantity, e.g. pulse train digital quantity, e.g. power % interface stimuli sensorcontrol program analog quantity, e.g. light digital quantity, e.g. light % interface

19. response actuatorcontrol program analog quantity, e.g. pulse train digital quantity, e.g. power % interface stimuli sensorcontrol program analog quantity, e.g. light digital quantity, e.g. light % interface sensor spaceactuator space

20. Embedded Java The leJOS API classes provide access to the hardware. Especially the output ports and actuators: MotorPort Motor DifferentialPilot

28. Differential Drive

29. Forward Backward

31. Instantaneous Center of Curvature