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Learning to Simplify: Thevenin and Norton Equivalent Circuits

Learning to Simplify: Thevenin and Norton Equivalent Circuits

This article reviews the basics of finding Thevenin and Norton equivalents and discusses how to apply Thevenin's theorem to a practical circuit.


EFM8 Sound Synthesizer: Driving the Speaker

EFM8 Sound Synthesizer: Driving the Speaker

Part 2 in the “How to Make an EFM8-Based Sound Synthesizer” series.


Projects Sep 11, 2015 by Robert Keim
Ambient Light Monitor: Using a Triac to Adjust Lamp Brightness

Ambient Light Monitor: Using a Triac to Adjust Lamp Brightness

Part 5 in the “How to Make an Ambient Light Monitor” series.


Projects Sep 01, 2015 by Robert Keim
Practical Uses of Instrumentation Amplifiers

Practical Uses of Instrumentation Amplifiers

Basic refresher on instrumentation amplifiers, followed by a several real world applications in which an engineer would find this circuit.


FSK Explained with Python

FSK Explained with Python

This article will go into a bit of the background of FSK and demonstrate writing a simulator in Python.


Ambient Light Monitor: Zero-Cross Detection

Ambient Light Monitor: Zero-Cross Detection

Part 4 in the “How to Make an Ambient Light Monitor” series


Projects Aug 16, 2015 by Robert Keim
Ambient Light Monitor: Understanding and Implementing the ADC

Ambient Light Monitor: Understanding and Implementing the ADC

Part 2 in the "How to Make an Ambient Light Monitor" Series. Our smart ambient light monitor will need to digitize and analyze signals from an optical detector, so it is time to explore the EFM8’s integrated analog-to-digital conversion functionality.


Projects Aug 05, 2015 by Robert Keim
Ambient Light Monitor: Measuring and Interpreting Ambient Light Levels

Ambient Light Monitor: Measuring and Interpreting Ambient Light Levels

Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.


Projects Aug 05, 2015 by Robert Keim
Introduction to Arduino SPI Library with LTC1286 and DAC714

Introduction to Arduino SPI Library with LTC1286 and DAC714

Introduction to the Arduino SPI Library with example sketch for the LTC1286 12 Bit ADC and the DAC714 16 bit DAC.


Projects Jul 17, 2015 by Aaron Dennis
The Basics of Power Semiconductor Devices: Structures, Symbols, and Operations

The Basics of Power Semiconductor Devices: Structures, Symbols, and Operations

Learn about various power electronic devices which act as solid-state switches in the circuits, meaning they act as a switch without any mechanical movement.


How To Use Arduino’s Analog and Digital Input/Output (I/O)

How To Use Arduino’s Analog and Digital Input/Output (I/O)

The Arduino can input and output analog signals as well as digital signals.


Projects Jun 10, 2015 by Tim Youngblood
Mad with Power: An Introduction to Power Processing

Mad with Power: An Introduction to Power Processing

The core concept of power processing can be explained together with several significant applications of power electronics. Power electronics is the technology of processing and controlling the flow of electric power by modifying and supplying the voltage and current in a form that is best suitable to the customer at the load end.


AC-Equivalent Circuit Modelling

AC-Equivalent Circuit Modelling

The basic converters complete equivalent circuits can be studied here which include the basic AC modeling approach and the results for several converters. A simple circuit diagram is used for high-frequency converters. We will construct the non-linear model and convert it into a linear circuit that describes the small-signal performance of a circuit.