Chapter 4. Building a Robot That Can Play Laser Tag

In the previous chapters, you've modified an RC car to control it remotely using Raspberry Pi, you've modified a toy robot to respond to your voice commands and you've also built a tracked vehicle that uses sensors to avoid the barriers and arrive at a desired location. In this chapter, you'll leverage some of these capabilities and then add other capabilities so that you can build a pair of wheeled robots to play laser tag.

In this chapter you'll learn the following:

• Construct a simple two-wheeled platform

• Leverage the wireless LAN interface and a USB webcam to control your robot via a remote computer

• Add a joystick to your host computer

• Connect Raspberry Pi to a laser source

• Connect Raspberry Pi to a laser receiver

• Send and receive laser signals programmatically to enable the laser tag capabilities of your robot