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Embedded PID Temperature Control, Part 2: Board-Level Integration

Embedded PID Temperature Control, Part 2: Board-Level Integration

This article covers the firmware that allows the EFM8 microcontroller to communicate with the DAC and the MAX31855.


Projects Feb 03, 2016 by Robert Keim
Design a Color Sensor with Measurements Displayed via an RGB LED Module, Part 2

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.


Projects Jan 23, 2016 by Robert Keim
Download Your First Program Using ARM mbed and KEIL MDK V5

Download Your First Program Using ARM mbed and KEIL MDK V5

The FRDM-K64F is a development platform which utilises the MK64FN1M0VLL12 microcontroller. This tutorial includes how to download a simple blinky example onto the FRDM-K64F using the ARM mbed online IDE and KEIL MDK. Details of the GPIO module configuration are included.


Projects Dec 17, 2015 by Elliott Smith
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
Introduction to the RFM69HW Transceiver

Introduction to the RFM69HW Transceiver

This handy introduction teaches you all about the RFM69HW transceiver module using two circuits running a wireless version of the "blinky" code.


How to Use a Rotary Encoder in an MCU-Based Project

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 analog information.


Projects Nov 01, 2015 by Tim Youngblood
How to Use RTC with Arduino and LCD

How to Use RTC with Arduino and LCD

This article will show you one way of making an accurate clock by using the Real Time Clock IC DS1307. The time will be shown on a LCD display.


EFM8 Sound Synthesizer: From Square Wave to Sine Wave

EFM8 Sound Synthesizer: From Square Wave to Sine Wave

Part 1 in the “How to Make an EFM8-Based Sound Synthesizer” series, which will design a sound synthesizer that can play standard musical notes. We will accomplish this using a low-cost, small-form-factor EFM8 microcontroller in conjunction with a few external components and a speaker.


Projects Sep 04, 2015 by Robert Keim
Getting Started with PSoC®

Getting Started with PSoC®

Getting started with PSoC®, the Programmable-System-on-Chip by Cypress Semiconductor for developing and testing embedded systems.


How to Use the Digital I/O on a BeagleBone

How to Use the Digital I/O on a BeagleBone

Beaglebone Black is the most recent incarnation of the Beaglebone open source hardware platform. For less than $50, the board includes Ethernet, graphics processing, 4Gb of nonvolatile storage, and ports supporting USB, HDMI, and Beaglebone's custom I/O add-ons, called "capes". Here's how to run some simple commands to toggle digital I/O on the board!


Projects Aug 17, 2015 by Nash Reilly
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
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