Technology
Arduino, Raspberrry PI, or any SPI enabled device: Speak Now!
April 25, 2018 | RalphI happened across an interesting Kickstarter project, BIG BUDDY TALKER , an inexpensive way to add natural sounding speech to your next project. It features more than 1000 sounds (visit the Kickstarter to see the current list of words) that … Read More
Raspberry Shake Wins Innovation Prize
March 24, 2017 | RalphCongratulations to OSOP SA, the team who brought us the [Raspberry Shake], a personal seimograph, on being awarded the Panama National Prize for Business Innovation for their work on the Shake.
Left to right: Amilcar Watcher, Ángel Rodriguez, Kiara … Read More
Fitbit Sleep Data Analysis
January 25, 2017 | RalphDo you ever wonder how your sleep patterns stack up against other Fitbit users? Well, the people at Fitbit did. They gathered 2015 sleep data from over 10 million Fitbit users and compared the statistics by generation (Millennial, Gen X, … Read More
Raspberry Shake online!
December 6, 2016 | RalphToday, I received my Raspberry Shake (an inexpensive professional grade personal seismograph) that uses a Raspberry Pi for data collection, processing, and uploading data (if you choose to share seismic data with the world).
It took only a few minutes … Read More
Measuring reaction time
November 18, 2012 | RalphFor a science fair project, Jeremy wanted to design an experiment to measure the effects of different types of distractions on a person’s reaction time. In order to accurately measure the time required to respond to a stimulus, two PIC … Read More
Expression Evaluator
July 15, 2012 | RalphI discovered the beauty and elegance of expression evaluators a number of years ago when I needed to develop an easy to use report generation module for a commercial software product using flat files — yes, it was before the … Read More
GOLDEngine for Java
January 29, 2012 | Ralph | 13 CommentsThe GOLD Parser is a parsing system developed by Devin Cook that can be used to parse existing programming languages, scripts, or structured data files. It can even be used to develop your own domain specific language (DSL). There are … Read More
Stereo FM Transmitter
July 20, 2008 | RalphMy quest was simple: Have the output of my iPod transmit to my car’s FM radio. I tried a number of devices which worked to some degree. However, either the signal drifted with temperature or the signal was so week … Read More
SuperProbe
September 3, 2007 | RalphWhen my Radio Shack logic probe gave up the ghost a while back, I took it apart only to discover that the probe consisted of two piggy-backed printed circuit boards and an estimated 20-30 parts. It was time for a … Read More