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A site offering free electronics circuit diagrams, diy projects, schematics, pcb, electronics software, Hobby kits, Custom electronics design, tutorials and tons of free working electronic circuits.

Owner: extremecircuits

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Language: English

Tags: Electronics, Circuits, Diagrams, Projects, Schematics

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Latest Blog Posts for Free Electronic Circuit Diagrams

  • 1.5 - 35 Volt DC Regulated Power Supply
    on Oct 4, 2009 in Power Supply
    The easy way to power your projectsHere is the circuit diagram of regulated power supply. It is a small power supply that provides a regulated voltage, adjustable between 1.5 and 35 volts at 1 ampere. This circuit is ready to use, you just need to ad...
  • 1.5 - 35 Volt DC Regulated Power Supply
    on Oct 4, 2009 in Power Supply
    The easy way to power your projectsHere is the circuit diagram of regulated power supply. It is a small power supply that provides a regulated voltage, adjustable between 1.5 and 35 volts at 1 ampere. This circuit is ready to use, you just need to ad...
  • Low Cost Universal Battery Charger Schematic
    on Oct 4, 2009 in Charger Circuits
    Low cost solution for charging of both NiCd and NiMh batteriesHere is the circuit diagram of a low cost universal charger for NiCD - NiMH batteries. This circuit is Ideal for car use. It has ability to transform a mains adapter in to a charger . This...
  • Low Cost Universal Battery Charger Schematic
    on Oct 4, 2009 in Charger Circuits
    Low cost solution for charging of both NiCd and NiMh batteriesHere is the circuit diagram of a low cost universal charger for NiCD - NiMH batteries. This circuit is Ideal for car use. It has ability to transform a mains adapter in to a charger . This...
  • Stereo Headphone Amplifier Circuit Schematic
    on Sep 28, 2009 in Headphone Amps
    Portable and small unit, Can be built on a veroboardFirstly, I'd like to stress that the intended use of this circuit is only one of many possible applications. Apart from the obvious usage as a headphone amplifier, the circuit can be used for a rang...
  • Stereo Headphone Amplifier Circuit Schematic
    on Sep 28, 2009 in Headphone Amps
    Portable and small unit, Can be built on a veroboardFirstly, I'd like to stress that the intended use of this circuit is only one of many possible applications. Apart from the obvious usage as a headphone amplifier, the circuit can be used for a rang...
  • Mains Operated LED Circuit Schematic
    on Sep 13, 2009 in Led Circuits
    Small in size! Big in useHere is a simple and powerful LED circuit that can be operated directly from the AC 100 volt to AC 230 Volts mains supply. The circuit can be used as mains power locator or night lamp etc.. The resistor R1,R2 and capacitor C1...
  • Mains Operated LED Circuit Schematic
    on Sep 13, 2009 in Led Circuits
    Small in size! Big in useHere is a simple and powerful LED circuit that can be operated directly from the AC 100 volt to AC 230 Volts mains supply. The circuit can be used as mains power locator or night lamp etc.. The resistor R1,R2 and capacitor C1...
  • 7 Watt Audio Power Amplifier Circuit Schematic
    on Sep 13, 2009 in Amplifier Circuits
    Small but powerful multipurpose amplifier This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4ohms. The TDA 2003 has improved performance with the same pin configuration as the TDA 2002. The additional features...
  • 7 Watt Audio Power Amplifier Circuit Schematic
    on Sep 13, 2009 in Amplifier Circuits
    Small but powerful multipurpose amplifier This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4ohms. The TDA 2003 has improved performance with the same pin configuration as the TDA 2002. The additional features...
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