AC-DC & DC-DC Circuits

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A Low Cost 4Mbps IrDA Receiver
VGA to TV converter II
Infrared Remote Control Jammer circuit
Adjustable Timer
USB Powered Stereo Computer Speaker
touch switch circuit with 3 transistors
led flasher circuit schematic inside
5 volts high current power supply using 7805 voltage regulator
A muting delay & DC offset protection circuit
Boss DM-2 Delay Guitar Pedal Schematic Diagram
Bicycle alarm electronic project