Member Blog Posts: voltage

• 

  Voltage Rating Tester for Zener Diode

  Posted Feb 08, 2012 By Circuit Projects

  The circuit has been constructed to test and measure the voltage rating of zener diodes.

  • 555 Timer – an 8-pin electronic device used…
  Comments(0)
• 

  Variable Voltage Output from 12V Battery Source

  Posted Feb 08, 2012 By Circuit Projects

  The circuit was designed to provide a variety of voltages to some electronic equipment with the use of a 12V battery as the power…

  Comments(0)
• 

  Using A Step Down Converter Instead of A Linear Voltage Regulator

  Posted Feb 08, 2012 By Circuit Projects

  Linear voltage regulators are widely used in electrical applications to regulate the voltage and maintain a fixed output. The regulating…

  Comments(0)
• 

  Characterize Linear Voltage Regulators with an SMU

  Posted Feb 05, 2012 By Robert Green

  Source measurement unit instruments (or SMU instruments) can make the job of characterizing linear voltage regulators—both conventional and low…

  Comments(0)
• 

  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…

  Comments(0)
• 

  Breadboard Power Supply with Adjustable Feature

  Posted Feb 02, 2012 By Circuit Projects

  The project illustrates how an adjustable breadboard power supply can be built entirely from Radioshack parts on a prototyping breadboard…

  Comments(0)
• 

  High Voltage Protector for Meters by CA3130

  Posted Feb 02, 2012 By Circuit Projects

  Normally, in a digital voltmeter, high input impedance of the preamplifier stage is protected against very high voltages by two diodes. One…

  Comments(0)
• 

  Coil Gun with LED Lighting

  Posted Jan 27, 2012 By Circuit Projects

  Have you ever seen a gun that comes with LED lighting to make it look cool to play with?

  This semi-automatic weapon is able to fire up to…

  Comments(0)
• 

  Balancing Robot Known as nBot

  Posted Jan 26, 2012 By Circuit Projects

  The purpose of the project is to drive the wheels in the direction that the upper part of the robot is falling as it produces a 2-wheeled…

  Comments(0)
• 

  AVR High Voltage Programmer Known as HVProg

  Posted Jan 26, 2012 By Circuit Projects

  The HVProg project is a high voltage parallel programmer with the utilization of AVR microcontrollers for the purpose of disabling the…

  Comments(0)
• 

  Current Limiting Resistors for LEDs

  Posted Jan 25, 2012 By Davide Andrea

  One of the questions that hobbyists ask over and over is how to select the value of a current limiting resistor for an LED. Usually the seat of the…

  Comments(0)
• 

  500Hz Modulated Ultrasonic Transmitter

  Posted Jan 25, 2012 By Circuit Projects

  Ultrasonic oscillations which are generated by unmodulated ultrasonic transmitters commonly for remote control are usually affected from…

  Comments(0)
• 

  Flash Taser Built from Disposable Camera

  Posted Jan 25, 2012 By Circuit Projects

  The project is a handheld device capable of delivering a low current high voltage shock or charging high voltage capacitors by converting…

  Comments(0)
• 

  Circuit Diagrams for Compact Fluorescent Lamps

  Posted Jan 25, 2012 By Circuit Projects

  The circuit diagrams pertain to how compact fluorescent lamps were made to provide several benefits like longer life span and lower power…

  Comments(0)
• 

  Adjustable Voltage Regulator Using LM317

  Posted Jan 24, 2012 By Circuit Projects

  The circuit intends to produce an adjustable voltage regulator in the range of 0V to 3V with the use of the three-terminal adjustable…

  Comments(0)
• 

  Single Voltage Supply with Symmetrical Output

  Posted Jan 20, 2012 By Circuit Projects

  The circuit has been made for the creation of a symmetrical voltage that would come from a single power supply.

  • L165 – a monolithic…
  Comments(0)
• 

  Voltage Controlled Power Supply Tester by OPA277

  Posted Jan 18, 2012 By Circuit Projects

  While testing the power supplies or discovering their potential problems, you must apply dynamic and static tests. This circuit, namely…

  Comments(0)
• 

  Voltage Controlled Switch by BC547

  Posted Jan 14, 2012 By Circuit Projects

  This voltage controlled switch circuit operates when a voltage level which is previously adjusted is applied to the input. Circuit is…

  Comments(0)
• 

  Zener Diode Voltage Tester

  Posted Jan 14, 2012 By Circuit Projects

  The circuit was designed to provide a means for measuring the operating voltage of zener diodes before applying on a circuit.

  • Zener…
  Comments(0)
• 

  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…

  Comments(0)