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Understanding Signals shows you how to generate, view, and measure a variety of wave forms with the Parallax USB Oscilloscope and BASIC Stamp®-controlled circuits. Each activity includes an example circuit and PBASIC code, directions for configuring the oscilloscope and placing the probes, and screen-captures of the Parallax USB Software interface displaying the signal.

Topics include:

• Analog inputs from photoresistors and A/D converters
  
• RC-time in resistor-capacitor networks
  
• Asynchronous serial communication between the PC and a BASIC Stamp module
  
• Synchronous serial communication between a BASIC Stamp and ADC0831 A/D converter
  
• Single and dual sine waves
  
• Servo pulse signals over an entire range of motion
  
• Pulse width modulation with infrared
  
• Decoding of handheld infrared remote control signals
  
• Voltage amplification and inversion with DC offset with an op-amp

Running the experiments in this text requires the Parallax USB Oscilloscope and a Board of Education with a BASIC Stamp 2.

Also available:
Parallax USB Oscilloscope
Boe-Bot Robot Kit (Includes a USB-compatible Board of Education)

Understanding Signals is an integral part of ARRL's Teacher Institute on Wireless Technology

144 pages. © 2007, by Parallax, Inc.