Hardware
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
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
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