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A few designs for remote control switches, using VG40T and VG40R remote control pair, are shown here. The mini......
One of the main features of the regulated power supply circuit being presented is that though fixed-voltage re......
Most of the power supply failure indicator circuits need a separate power supply for themselves. But the alarm......
dolphin 2009-08-25
dolphin 2009-08-25
dolphin 2009-08-25
dolphin 2009-08-25
