Contents
- About the Input/Output Module
- Learning Key Components
- Connecting the I/O Module
- Lighting an LED
- Turn LEDs On and Off
- Making the LEDs Flash
- Using a Button Switch
- Using Multiple Button Switches
- Controlling the Speaker
- Using Pre-Defined Notes
- Writing a Custom Function
- Storing and Playing Entire Songs
- Combining Lights, Sounds, and User Input
- Sending Text to the LCD
- Adjusting the LCD Contrast
- Using the LCD Backlight
- Displaying Numerical Values on the LCD
- Displaying ANSI Characters on the LCD
- Retrieving Data from the Infrared Receiver
- Using the Real-Time Clock
- Controlling All Four LEDs at Once
- Reading the State of All Four Buttons
- Memory Game (Advanced Project)
- Metronome (Advanced Project)
- Stopwatch (Advanced Project)
- Musical Tone Generator (Advanced Project)
- User-Settable Alarm Clock (Advanced Project)
- Feature Demo (Advanced Project)
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About the Input/Output Module The Input/Output (I/O) Module adds a user interface to any project built with the XIPMods system. The unit features four light emitting diodes (LEDs), four button switches, a piezo-electric speaker, a liquid crystal display (LCD), an infrared receiver, and a real-time clock. With the I/O Module, you can display text messages, generate musical melodies and audible signals, prompt users for button input, get signals from an infrared remote control, and track and display time and date information. The I/O Module is great for debugging robotics projects, and it opens up a range of stand-alone applications as well. Code for a few projects, including an alarm clock, a stopwatch, a musical pitchpipe, and an electronic game, is included in the Advanced Projects section at the end of this tutorial. Figure 1 shows the I/O Module stacked on top of the Master Module. Figure 1. I/O Module.
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