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  1. Aman bharti

    battery level indicator

    The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. This ic is used for Dot and Bar Display.  A single pin changes the display from a moving dot to a bar graph. Current drive to the LEDs is regulated and...
  2. Aman bharti

    How to connect Condenser microphone with any amplifier

    Homemade MIC Amplifier Loudspeaker connection circuit You can connect condenser MIC with any amplifier circuit as given below diagram . This circuit will work very well with any type of Audio amplifier. Use only 3-5v for condenser MIC for best result. Audio amplifier circuit need 6-24v as per...
  3. Aman bharti

    LED Blinker/Flasher Circuit using bicolour led

    click here for full explanation
  4. Aman bharti

    0-30V Stabilized Power Supply

    10A High Current Adjustable Voltage Regulator using LT1038 http://www.circuitspedia.com/10a-high-current-adjustable-voltage-regulator-circuit-diagram-using-lt1038/
  5. Aman bharti

    Transistor basic connection for switching

    http://www.circuitspedia.com/transistor-as-switch-working-how-transistor-works/ For more detail click here A small Positive current  required at the Base terminal for the turning on the transistor.  By sending varying levels of current to the base, the amount of current flowing through the...
  6. Aman bharti

    DIY - AUTOMATIC GARAGE LIGHT

    Automatic Room Light And Security Alarm circuit Using PIR Motion Sensor
  7. Aman bharti

    Automatic Light controlled 230v Lamp bulb ON OFF without relay

    When Light fall on LDR in DAY then the Resistance of LDR goes LOW And  at this situation the maximum voltage Dropped With Negative supply (Ground) by cross through LDR and Voltage at the Base of transistor Q1 is Very LOW.  When the Voltage goes to very LOW (Below0.7v) at BASE of Q1 then...
  8. Aman bharti

    555 dc motor controller

    DC FAN Motor Speed Controller Regulator Circuit Works ON Principle of Pulse Width Modulation (PWM) technique , By Using This Technique Controlling Of DC Motor Speed is very Smoothly And Noise Free. Tested on 12v 1 A DC Motor For Full detail with live demo click...
  9. Aman bharti

    Clap Switch Circuit Electronic Project Using 555 Timer

    High Sensitive Clap Operated Sound controlled ON OFF Switch Project This clap operated ON OFF Switch circuit is very sensitive and easily operated upto distance of 5 Meter If condenser MIC is fix into a Special type of Cover to Receiving More Sound From Maximum Distance.  This Clap/Sound...
  10. Aman bharti

    websites that an electronics hobbyist should know

    Check For Electronics ideas,circuits and projects on http://www.circuitspedia.com/
  11. Aman bharti

    DIY a Compact RC Switch

    Here a link of very simple and effective remote controlled switch for any appliance (single load) without any microcontroller. Click here This circuit can constructed at home using CD4017 ic and IR sensor. very easily and operated with any TV Remote. ( Tested, Must see the demo video )...
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