# What Resistor Do I Need To Drop 12v To 6v?

## What resistor do I need to reduce voltage?

To reduce voltage in half, we simply form a voltage divider circuit between 2 resistors of equal value (for example, 2 10KΩ) resistors.

To divide voltage in half, all you must do is place any 2 resistors of equal value in series and then place a jumper wire in between the resistors..

## How do you reduce voltage from 12v to 6v?

It’s possible to step 12 volts down to 6 volts by incorporating a pair of 10,000-ohm resistors into the circuit. Cut two lengths of wire, and strip each wire of 1/2 inch of insulation at each end. Attach one end of the first wire to the positive terminal on the power supply.

## What happens if you plug a 12v into a 9v?

In most cases, you cannot use a 12V adapter to power a 9V guitar pedal. Using a 12V adapter on a pedal designed to only handle 9V can completely destroy it. … Voltage is only one part of the picture and even if you get the voltage right, it’s possible for a power supply to ruin your pedal.

## How do you convert 12v to 5v 2a?

12V battery to 5V 1.5A DC converter Which is a simple circuit using IC-7805, to the fixed regulator 5 volts and TIP41-NPN power transistor to increase current up to 2A. I use the 7805 power supply with the 12V battery. To reduce the constant voltage of 5 volts.

## How do you convert 12v to 3v?

take a 12v 4ohms potentiometer where the pointer will be adjusted at 3 ohms so that the voltage at last 1 ohm will be 3v. Simply put one 75 ohm resister in series with a 25 ohm resister and attach the negative to one end and the positive to the other. Your 25 ohm resister will have 3 volts across it.

## What resistor do I need to drop 12v to 5v?

PLace two resistors in series with the 2nd resistor value (5/7) of the first resistor value. Place the resistors between 12v and ground and then you will get 5v at the point between them. This is a very crude way of doing it. It is unregulated so the voltage out will be dependent of voltage in.

## What resistor do I need to drop 24v to 12v?

If you want to connect 24V to a LED, there is no need to convert it to 12V. Just a series resistor of 500 0hms or so wll do.

## Can I use a 12v power supply on a 6v?

It depends on what the device is. If the device has its own internal switching regulator, the voltage probably won’t be a problem, but since the 12V power supply has a lower maximum power (12V * 0.35A = 4.2W, and 6V * 1A = 6W), it may draw too much power and the power supply will be damaged.

## How do I convert 12v to 5v?

Convert 12V DC to 5V DCStep 1: Take All Components As Shown Below and in Pictures. Components required – … Step 2: Connect Input Power Supply. 7805 voltage regulator contain three pins.In which we have to give power supply on pin-1 and pin-2. … Step 3: Output Power Supply. … Step 4: Wiring Is Completed. … Step 5: Checking.

## What resistor do I need for 12v LED?

Basics: Picking Resistors for LEDsPower Supply VoltageLED ColorResistor (rounded)5 VRed, Yellow, or Yellow-Green150 Ω5 VRed, Yellow, or Yellow-Green56 Ω9 VRed, Yellow, or Yellow-Green75 Ω9 VBlue, Green, White, or UV100 Ω4 more rows•Aug 29, 2012

## What’s better 6v or 12v?

The higher the number of volts, the more powerful the car. So a 6V kids electric car is the lowest power, a 12V is higher, and a 24V even higher than that. … A car with a 6V motor needs a 6V battery. If a 12V battery is used in a 6V car, then the car’s motor could burn out due to the excess power.

## How do I convert 7805 to 12v to 5v?

12V to 5V Converter | Circuit Diagram. pervious one but it is using LM7805 IC which can provide fixed 5 volt output from any 12V DC source. The circuit is ideal to use with a 12V car battery to step down the voltage to 5 volt DC. LM7805 is an IC of LM78xx series.