This is a board designed for [opto-isolation](http://en.wikipedia.org/wiki/Opto-isolator). This board is helpful for connecti…
The SparkFun MIDI Shield board gives your Arduino-based device access to the antiquated, but still widely used and well suppo…
This 6N137 diode-transistor photocouplers consist of an LED, optically coupled to a high speed photodetector.
The TLP290-4 is an optoisolator transistor from Toshiba.
