Chapter 14. Wireless Data

In this chapter you’ll learn how to send and receive instructions and data using various types of wireless transmission hardware. Specifically, you’ll learn how to

  • Send digital output signals using low-cost wireless modules

  • Create a simple and inexpensive wireless remote control system

  • Use XBee wireless data receivers and transceivers

  • Create a remote control temperature sensor

Using Low-cost Wireless Modules

It’s easy to send text information in one direction using a wireless link between two Arduino-controlled systems that have inexpensive radio frequency (RF) data modules, such as the transmitter module shown in Figure 14-1. These modules are usually sold in pairs and are known as RF Link modules or kits. Good examples are ...

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