Kit makes a 1.5-12 volt DC Stepped Regulator, 1 amp max output. 6 steps, one for 1.5 volts, 3 volts, 5 volts, 6 volts, 9 volts & 12 volts.

Kit makes a 0-12 volt DC Regulator, .5 amp max output

Kit makes a 0-30 volt 3 amp Variable DC Power Regulator.

Kit makes a 0-12 volt output DC Pulse width motor controller. 20 Watt.