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Test & Measurement
Digital-to-Analog Conversion with the SAM4S Peripheral DMA Controller
Part Three in this three-article series shows you how to generate values for a discrete sinusoid and continuously convert this data into an analog signal without overburdening the CPU.
May 09, 2016
Understanding and Using the SAM4S Digital-to-Analog Converter
Part Two in this three-article series explores the SAM4S DAC. We’ll look at hardware configuration, electrical characteristics, and the application programming interface....
May 04, 2016
DMA Digital-to-Analog Conversion with a SAM4S Microcontroller: The Timer/Counter
Part One in this three-article series focuses on using the SAM4S timer/counter peripheral to precisely control the DAC’s sampling rate....
April 28, 2016
Use a DC Motor to Power LED Headlights on a Longboard
Build a generator-powered LED headlight for a longboard for very cheap.
April 20, 2016
PWM Digital-to-Analog Conversion with the SAM4S Xplained Pro
In this article we’ll use the SAM4S Xplained Pro development platform to get some hands-on experience with a PWM DAC.
April 19, 2016
Pulse-Width Modulation with the SAM4S Xplained Pro
This article covers everything you need to know to generate pulse-width-modulated signals with Atmel’s SAM4S Xplained Pro development board....
April 14, 2016
Embedded PID Temperature Control, Part 1: The Circuit
Invoke the power of the PID (proportional–integral–derivative controller)! The key components in this design are an EFM8 microcontroller, a DAC, and the MAX31855 thermocouple-to-digital...
February 01, 2016
How to Eliminate Ground Loops with Signal Isolation
This project explains how to isolate signals to eliminate ground loops in electronic systems.
January 29, 2016
Design a Color Sensor with Measurements Displayed via an RGB LED Module, Part 2
Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.
January 23, 2016
Design a Color Sensor with Measurements Displayed via an RGB LED Module
Display colors by precisely controlling the intensity of red, green, and blue LEDs.
January 22, 2016
Make Your Switch Sound Activated
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
December 21, 2015
How to Build a Wall-Following Robot
This is the final part in a series of articles on building a robot that can follow lines or walls and avoid obstacles!
December 01, 2015
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...
November 18, 2015
Control Your AC Mains with a Microcontroller
Learn how to put together your own toaster oven controller with a handful of inexpensive, through-hole parts. The emphasis is on safety, low price, and minimal modification of the toaster...
November 09, 2015
How to Build a Robot - Testing Hardware
Part three of a series of articles on building a robot that can follow lines or walls and avoid obstacles!
November 03, 2015
How to Build a Robot - PCB Design
Part two of a series of articles on building a robot that can follow lines or walls and avoid obstacles! This time we'll be covering PCB design....
November 02, 2015
How to Use a Rotary Encoder in an MCU-Based Project
Learn how to use a rotary encoder in an Arduino project. Rotary encoders are electromechanical, electro-optical or electro-magnetic devices which convert rotational motion into digital or...
November 01, 2015
Make an Analog Sound Reactive LED Strip
This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs....
October 28, 2015
Get Started with Matplotlib in Python to Visualize Data Collected from Measurement Instruments
This article explains how to install PyVisa and MatPlotlib for Python. PyVisa connects a computer to the measurement instruments and matplotlib helps to visualize the data collected from these...
October 24, 2015
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.
October 19, 2015
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