Arduino’s new Plug and Make Kit continues in this vein. SparkFun’s Quiic connector ... programmable LEDs, a buzzer, and sensors covering temperature and humidity, distance, and a gyroscope.

This self-balancing unicycle uses an Arduino and a five degree of freedom IMU from Sparkfun to keep the rider upright. Well, it’ll keep you upright as long as you have good side-to-side balance.

Aug. 2, 2011 /PRNewswire/ -- SparkFun Electronics (www.sparkfun.com ... The Pro Mini combines an Arduino Pro Mini with a host of inputs and outputs to allow users to experiment with the Arduino ...

Teensy 4.0 and 4.1 Cortex-M7 development boards are to be manufactured by SparkFun Electronics. The boards are attractive because they offer a combining a powerful (600MHz dual-issue superscaler) ...

They were not intended to be normal Arduino I/Os, but were give some commands to turn them on and off, as described in this SparkFun tutorial (actually for the Arduino Pro Micro). Except, I could not ...