Using Embedded Artists' LabTool with My Tiva LaunchPad

Lately I've been working with using I/O expanders in conjunction with my Texas Instruments Tiva LaunchPad. The Tiva LaunchPad has a limited number of I/O pins and I'm trying to increase the number by using I/O expander chips.

Tiva LaunchPad and LabTool

I came across this YouTube video which shows how to use an MCP23S08 I/O

Date: February 7th, 2017 at 3:02pm
Author: Terence Darwen
Tags: Embedded, Tiva LaunchPad, TM4C123G, ARM-Cortex-M4, Embedded Artists, LabTool, Sabbatical

Using a 16 Bit DAC with the Tiva LaunchPad (ARM Cortex-M4) - Video Included

I've figured out how to interface my Tiva LaunchPad with a better quality DAC (digital to analog converter). Earlier, I'd been using a simple 8 bit DAC made from a handful of 22K resistors that sounded, well, less than optimal. I'm now using a 16 bit integrated circuit DAC for better audio quality…

Date: January 19th, 2017 at 7:41pm
Author: Terence Darwen
Tags: Embedded, Tiva LaunchPad, TM4C123G, ARM-Cortex-M4, 16 Bit DAC, Sabbatical

My Tiva Launchpad Simple Drum Machine

I've completed my next Tiva LaunchPad project. I created a simple drum machine. Press a button and an audible 8-bit drum sample is played back. A video explaining and demoing it is below.


Any questions? Feel free to drop me an email or contact me through other channels. Contact info he

Date: November 26th, 2016 at 12:28pm
Author: Terence Darwen
Tags: Embedded, Tiva LaunchPad, TM4C123G, ARM-Cortex-M4, Drum Machine, Sabbatical