College Instructor?

The Breadboard Companion power supply kit is specifically designed for an introduction to Digital Electronics class. The kit plugs into any standard breadboard and provides a number of features that are usually provided by expensive laboratory equipment. The BBCIII power supply kit provides the following:

1. 5 Volt, 0 Volt, and 9 Volt connection to breadboard
2. Adjustable, square-wave clock pulse with Schmitt Trigger
3. Four SPDT logic switches for inputs 
4. Four LED logic indicators for Outputs
5. Test Points for Oscilloscope testing
6. Ground clip for easy Probe testing
7. Compatibility with PLD Companion prototyping board
8. Adapters that will allow for a 9V battery or a DC transformer to serve as power source (battery/transformer not included)