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Posts tagged UM66

audio distribution amplifier

audio distribution amplifier using UM66, BC547, AC187, 1N4148

Electronics Circuit Refrigerator Door Alarm

Electronics Circuit Refrigerator Door Alarm Parts: R1______________10K 1/4W Resistor R2_____________Photo resistor (any type) R3_______________2M2 1/4W Resistor R4_______________1M 1/4W Resistor C1______________10µF 25V Electrolytic Capacitor C2_____________100nF 63V Polyester Capacitor D1____________1N4148 75V 150mA Diode IC1,IC2_________7555 or TS555CN CMos Timer ICs BZ1___________Piezo sounder B1____________3V Battery

741 audio level led indicator

741 audio level led indicator


pic18f2550 USB Converter using LM555, pic18f2550, 1N4148, 4N28 pic18f2550 microchip inverter, application of microcontrollers, application of microcontroller, plc microcontroller pic18f2550 microcontroller pic16f84

Tone Control circuit diagrams using IC TL082

Tone Control circuit diagrams and using IC TL082 I’d like to ask for some good schematic for active tone control, for treble and bass (cca+-20dB) with loudness compensation, I have saw several designs, but all of these designs uses elements that I want to avoid.

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