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4 channel Audio Mixer circuits using IC CA3048

4 channel Audio Mixer circuits using IC CA3048 R1 500 k Ω      C1 0.47 µF      U1 CA3048 R2 820 Ω         C2 50 µF         U2 CA3048 R3 100 Ω         C3 0.008 µF    U3 CA3048 R4 8.2 k Ω       C4 0.008 µF    U4 CA3048 R5 8.2 k Ω       […]

5 Running light circuit diagram

5 Running light circuit diagram using TIC216D, CD4017, 2n2646, bc548

Audio Amplifier Projects to Control the Speaker output Relay

This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power […]

Led circuit – Power Supply

Led circuit – Power Supply Led circuit for the Power Supply using BD139 Power Supply circuit – 16VAC x 2 (ct) to 39v using ZD30v Led circuit for the Power Supply The size of the LED and resistor to supply some tips on supply, and of course will provide many details about the LED driver […]

It is a termostat for a peltier cooler !

It is a termostat for a peltier cooler ! using LM358, IFR530 It is a termostat for a peltier cooler ! Piezo buzzer Circuit using LM358, IFR530

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