electronics circuit

Category Archives: Electronic Circuit

Electronic Circuit ding-dong Sound for any Alarm

Electronic Circuit ding-dong Sound for any Alarm Basically the circuit alternates between two frequencies which are adjustable. This produces the “ding-dong” sound.
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FM Radio Receiver circuit diagram using TDA7021T

FM Radio Receiver circuit diagram using TDA7021T Parts List: R1 = 8kO2 R2 = 10kO R3 = 390O C1,C3 = 10nF C2,C6,C9,C16 = 100nF C4 = 33pF C5 = 25pF trimmer (Murata type TZB4Z250AB10R00) C7,C10 = 1nF5 C8 = 820pF C11 = 1nF C12 = 68pF C13 = 220pF C14 = 47µF 10V (Nichicon UWX1A470MCL1GB 5.5mmL chip type) C15 = 3nF3 L1 = 36nH (4 turns 0.5mm silver-plated wire, inside diameter [...]
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Making Light Dimmer Using remot

Making Light Dimmer Using remot
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How to make solar NiCad simple but useful ?

How to make solar NiCad simple but useful ? Reasons for using Solar Power Panel are: solar energy is clean, environmentally friendly, reducing pollution, reducing greenhouse gases and stopping global warming, as a flexible source of energy and require little maintenance, will help you save money in the long run. Using the charger and solar [...]
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Fire alarm beeping circuit diagram

Fire alarm beeping circuit diagram
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HA13108 Schematic audio amplifier

HA13108 Schematic audio amplifier
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