UOP ECT 246 Week 7 iLab Switching Transistors and Optical Devices Check this A+ tutorial guideline at transistors-and-optical-devices For more classes visit ECT 246 Week 7 iLab Switching Transistors and Optical Devices Given a DC switching application such as driving a motor in one and two directions use a SCR and a transistor and an H-bridge driver to successfully perform the operation, calculate and measure the operating voltages and currents.