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Use LaunchPad to Make a Laser Tripwire Alarm

Use LaunchPad to Make a Laser Tripwire Alarm

Use the Analog to Digital Converter (ADC) feature of LaunchPad to build a laser tripwire alarm. This is a great way to familiarize yourself with LaunchPad while simultaneously making something cool.


Projects Nov 18, 2015 by Tim Youngblood
Use LTspice to Understand the LM741 OpAmp

Use LTspice to Understand the LM741 OpAmp

An inside look at how the 741 operational amplifier operates with LTspice simulation. We'll go over internal structure and differential amplifiers and continue with everything you've ever needed to know about this operational amplifier.


Negative Feedback, Part 1: General Structure and Essential Concepts

Negative Feedback, Part 1: General Structure and Essential Concepts

This article, the first in a series, will introduce you to the fundamental concepts required for understanding and analyzing negative feedback amplifiers.


Build 9 Simple, Low-noise Linear Voltage Regulators Using the Same PCB

Build 9 Simple, Low-noise Linear Voltage Regulators Using the Same PCB

What linear voltage regulator circuits lack in efficiency, they make up in simplicity and low noise. Here's a scheme for 9 voltages from 2.5V to 15V on the same PCB design.


Build a Laser Communication System

Build a Laser Communication System

Use a laser and a photo resistor to build a laser based point-to-point communication system. The best part? It's under $10.


Projects Oct 22, 2015 by Jacob Smith
Wireless Power for Noise-Sensitive Circuits

Wireless Power for Noise-Sensitive Circuits

Is IDT’s Tx/Rx wireless power solution suitable for applications that require high-precision analog performance?


Projects Oct 21, 2015 by Robert Keim
Build an Arduino-LabVIEW Analog Voltmeter

Build an Arduino-LabVIEW Analog Voltmeter

This project will show how to build a basic analog voltmeter using an Arduino Uno, LabVIEW software, and littleBits electronics modules.


Projects Oct 19, 2015 by Don Wilcher
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
Microchip’s Reveal Features both Configurable Analog Output and a 2-Wire Digital Bus

Microchip’s Reveal Features both Configurable Analog Output and a 2-Wire Digital Bus

The world's first high-side current/power sensor to feature both a configurable analog output and a 2-wire digital bus.


News Jun 14, 2015 by Jennifer A. Diffley
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.