Teensy is a popular microcontroller ecosystem that I’ve highlighted on my site before. There are already a number of breakout shields on the market for…

March 3, 2018 I found Daniel Gilbert’s Teensy 3.2 Breakout (Revision D) on Tindie during a web search while working on my Teensy Audio project. The…

February 24, 2018 The LinkSprite is an 8 x 8 LED matrix that can be used when you need something more sophisticated than a single…

February 16, 2018 After making some advances with audio board selection and programming, it was time to go through my parts supply and explore various…

The Sparkfun APDS-9960 RGB and Gesture Sensor is a fairly low-cost ($15) option for hands-free control of all kinds of things. I’ve had this sitting…

As discussed in my ongoing series of sound board experiments (most recently with the Adafruit Sound FX Board), I have been on a quest for…

January 2018 This is a continuation of an earlier exploration of Adafruit’s FX Sound Board. Previously, I worked with the 2MB version, but soon found…

January 2018 Next up in IoT exploration is the Sparkfun ESP8266 Thing – part WRL-13231. Note that this is not the Dev board – a separate device with…

A lot has changed since my last connected sensor project in 2013, so I wanted to jump in again to see how the technology has…