Siren Circuits

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12V stroboscope
Control 7 segment LED displays with AVR
DDR Memory Power Supply: 5V to 28Vin 1.5V@ /-10A Vtt (3V external reference)
How to calculate the resistors and capacitors for an amplifier circuit
Dark detector circuit
5 Watt Class-A Audio Amplifier Circuit
PIC12F629 based IR decoder
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