This project will show you how to connect an ultrasonic sensor and an Arduino to turn on a light when motion is sensed.
May 13, 2016 by Alexander Fonseca
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 by Robert Keim
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 by Robert Keim
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 by Robert Keim
Build a generator-powered LED headlight for a longboard for very cheap.
April 20, 2016 by Jacob Smith
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 by Robert Keim
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 by Robert Keim
Over-voltage and over-current protection circuit for use with the C-BISCUIT platform's main computer, the Wandboard.
March 09, 2016 by Patrick Lloyd
Lasers are plentiful, inexpensive, and fun to use. Here's a target that reacts when it's hit by a laser beam.
February 16, 2016 by Charles R. Hampton
Learn how to read electrical signals and data from an analog device using the Step Response technique in Part 5 of the Building Raspberry Pi Controllers series.
February 09, 2016 by Don Wilcher
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 converter.
February 01, 2016 by Robert Keim
This project explains how to isolate signals to eliminate ground loops in electronic systems.
January 29, 2016 by Orrin Bigelow
Learn how to collect and process RGB data generated by the BH1745NUC color sensor IC.
January 23, 2016 by Robert Keim
Display colors by precisely controlling the intensity of red, green, and blue LEDs.
January 22, 2016 by Robert Keim
In this continuing series of Building Raspberry Pi Controllers, you'll learn how to build a object detection control circuit for operating a small DC motor using a photocell.
December 27, 2015 by Don Wilcher
In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.
December 21, 2015 by Tim Youngblood
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 by Travis Fagerness
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.
November 18, 2015 by Tim Youngblood
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 oven.
November 09, 2015 by Patrick Lloyd
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.
November 04, 2015 by Charles R. Hampton
Don't have an AAC account? Create one now.
Forgot your password? Click here.
