Power Supply Circuits

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Digital event Counter AT89C2051
digital thermometer with data
Simple Circuit 12V to 120V DC DC Converter
1.5W Audio Amplifier with IC SSM2211
pH Sensors LMP91200 Schematic Diagram
Circuit to convert a voltage output of a Hall device to a current
VHF Antenna Amplifier Circuit Using BFT66 Transistor
Laser Alarm
SCR Phase Control Speed Control/Dimmer
Fogger controller
Mic wiring Servicing and alignment
XTR105 reverse voltage and over-voltage surge protection circuit