"For example, hardware layer 12 may include one or a group of each of the following hardware elements: A control bit, a voltmeter, an amp meter, a current source, a digital drive channel, a digital receive channel, a clock, a time measurement meter, an AC source, a digitizer, an RF source, an RF detector, an RF meter, relays, and/or optical elements including a laser diode, an LED, or other sources" . . . .