Member Blog Posts: current

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  0-20V 0-1A Power Supply for Workshop

  Posted Feb 08, 2012 By Circuit Projects

  The project aims to create a workshop power supply that can provide a maximum capacity of 20V can capable of limiting the maximum current…

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  Driving Bright LEDs with Constant Current Source

  Posted Feb 06, 2012 By Circuit Projects

  A very special circuit was designed to drive the LEDs with a constant current to be used for variety of LED applications.

  Incandescent…

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  Current Measurement for Car Alternator

  Posted Feb 02, 2012 By Circuit Projects

  The project uses the alternator to measure the current in order to detect failures or helps in the proper alternator selection through the…

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  LED Tester with Regulated Current

  Posted Feb 02, 2012 By Circuit Projects

  The use of current regulator in a LED tester is shown in this project which will allow determining the exact voltage and current to supply…

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  Adjustable Current Sink

  Posted Feb 02, 2012 By Circuit Projects

  The current sink project aims…

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  Unipolar Stepper Driver with 20A Handling Capability

  Posted Jan 27, 2012 By Circuit Projects

  The project illustrates a unipolar stepper motor driver that is able to handle 20A current.

  When driving a stepper motor, the voltage…

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  Driving High Power LEDs

  Posted Jan 27, 2012 By Circuit Projects

  The LED brightness is kept constant by this constant current source circuit no matter what power supply is used making it ideal for high…

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  1.5A Constant Current Regulator for LEDs

  Posted Jan 26, 2012 By Circuit Projects

  The project aims to produce a linear regulator for use with LEDs by providing a constant current of 1.5A.

  The uses of high bright LEDs are…

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  Additional Current Limiter for Power Supply

  Posted Jan 24, 2012 By Circuit Projects

  The circuit is designed for power supply protection by limiting the amount of maximum output current to prevent any further damage to take…

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  Programmable Current Source by LM317

  Posted Jan 14, 2012 By Circuit Projects

  Accurate and stable current supplies are generally needed in electronic labs especially for creating V-I curves, charging and discharging…

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  Increasing 78xx Voltage Regulator Current

  Posted Jan 14, 2012 By Circuit Projects

  Shown in the figure is an IC voltage regulator (also known as stabilizer), designed to increase its current output with the use of an…

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  Dynamic Range is Important When Choosing a Source-Measurement Unit

  Posted Nov 23, 2011 By Robert Green

  Source measurement units (SMUs) are instruments that can source current and measure voltage, or source voltage and measure current. Since their…

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  Capacitors in Parallel

  Posted Oct 26, 2011 By Andrew Carter

  Capacitors connected in parallel, the total capacitance is the sum of the individual capacitors’ capacitances. If two or more are connected in…

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  Capacitors in Series

  Posted Oct 26, 2011 By Andrew Carter

  When capacitors are connected in series, the total capacitance is less than any one of the series capacitors’ individual capacitances. If two or more…

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