Follow the Flashlight Evolution
Using just a few components, you can transform a traditional bulb flashlight into a super bright, energy-saving LED flashlight.
A Low Cost RF Impedance Analyzer
A voltmeter, signal generator, and a few parts combine to make a powerful impedance measuring tool.
Build a Four Transistor Metal Detector
Search for buried treasure with this easy to construct device.
The Secret Life of a Wire
Learn how wires used in resistors, capacitors, inductors, antennas, and ground connections affect AC and DC signals differently.
HDTV Audio
Discover the best choices to make when passing audio from one device to another.
Low-Cost Curve Tracer
This unit works with a PC-based scope to determine the voltagecurrent characteristics of semiconductor devices.
A2D Signal Processing
A-to-D conversion is a common method used to acquire real world signals with digital electronics, but you have to pay close attention to operating parameters.
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