4
Using Transistors and Driving DC Motors
Parts You'll Need for This Chapter:
- Arduino Uno or Adafruit METRO 328
- USB cable (Type A to B for Uno, Type A to Micro-B for METRO)
- Half-size breadboard
- Assorted jumper wires
- 1kΩ resistor
- 10kΩ resistors (×2)
- 10kΩ trim potentiometer
- Photoresistors (×2)
- 9V battery
- 9V battery clip
- L7805CV 5V voltage regulator
- 10μF 50V electrolytic capacitors (×2)
- 0.1μF ceramic capacitor
- 1N4001 diode
- PN2222 NPN bipolar junction transistor (BJT)
- Roving robot chassis kit with wheels and DC motors
- 9V DC motor
- TI L293D dual H-bridge motor driver
- CODE AND DIGITAL CONTENT FOR THIS CHAPTER
- Code downloads, videos, and other digital content for this chapter can be found at:
exploringarduino.com/content2/ch4
- Code for this chapter can also be obtained from the Downloads tab on this book's Wiley web page:
wiley.com/go/exploringarduino2e
You're now a master of observing information from the world around you. But how...