SEE! Simple 0-20V variable Power supply circuit diagram at max output current of 1A. Usin common components, as adjustable power supply for model railways.
An electronic device needs to use a power. We have a lot of power supply circuit. We recommend the example tag: (It may make you find the circuit easier.)Fixed voltage regulator :: 3-volts :: 5-volts :: 6-volts :: 9-volts :: 12-volts :: 15-volts :: Protection :: Transformerless :: Negative Power Supplies :: Dual output power supply :: Variable DC Power Supply :: 0-30V DC Power SupplyAdjustable DC power supplies :: Switching power supply :: High current :: High voltage :: Zener Diode Regulators :: Multi voltage regulated :: 7805 Regulator Circuits :: LM317 Circuits :: PC power supply circuits
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This is LM317 Low dropout regulator 5V 2A using TIP41, The voltage input is 5.1V DC is converted into 5V output,while maximum output current to 2A by TIP41 [...]
This is Efficient flyback driver circuit, using IC-555 and Mosfet-IRF510. This circuit uses a 555 timer IC to pulse a 2N2222 with square wave at a frequency that is set by the capacitor and the potentiometers.
Nicad battery as the battery is good. Commonly used. If you do not have a battery charger. I recommend this is Simple nicad battery charger circuit. It is suitable for beginners.
If you like to learn about simple regulator circuit like me. I am showing you, tiny constant voltage circuit using two small transistors. It special because..
Let's make the Zener diode with yourself!
Dual DC Regulator using +12V, -12V and Ground output