12v LED Light

This circuit makes a nice lamp that consumes little power, runs cool, and has an incredibly long lifetime. The lamp puts out a warm yellow shade of light; the color may be adjusted by changing the number of red or green LED strings. Operating Voltage: 12V DC Operating Current: 80mA approx. More: The current flows and the LEDs light. There are 4 series strings of LEDs in this circuit; the resistors limit the current through the LEDs and prevent them from burning up. The resistors were adjusted to get approximately 20mA through each string.

This circuit design features a low-power LED lamp that operates efficiently at a nominal voltage of 12V DC. The primary components include four series strings of LEDs, which are selected to emit a warm yellow light. The color temperature can be modified by varying the number of red and green LEDs in the configuration, allowing for customization of the light output according to user preference.

The circuit is powered by a 12V DC supply, which is suitable for various applications, including home lighting and decorative purposes. The total operating current of the circuit is approximately 80mA. Each LED string is designed to carry a current of around 20mA, ensuring optimal brightness while maintaining low thermal output.

To protect the LEDs from excessive current, current-limiting resistors are employed in series with each LED string. These resistors are calculated based on the forward voltage of the LEDs and the desired current flow. The selection of resistor values is critical to achieving the intended performance; typically, a resistor value is determined using Ohm's law (R = (V_supply - V_LED) / I_LED), where V_supply is the supply voltage, V_LED is the forward voltage drop of the LEDs, and I_LED is the desired current through the LEDs.

The circuit layout should ensure that the series strings are connected in parallel to the power supply, allowing for uniform distribution of voltage across each string. This arrangement not only enhances the reliability of the lamp but also contributes to its longevity, as each LED operates within its specified current limits.

In summary, this LED lamp circuit is an efficient and customizable lighting solution that combines low power consumption with a long operational life, making it suitable for various lighting applications. Proper component selection and configuration are essential to achieving the desired performance and reliability.This circuit makes a nice lamp that consumes little power, runs cool, and has an incredibly long lifetime. The lamp puts out a warm yellow shade of light, the color may be adjusted by changing the number of red or green LED strings.

Operating Voltage: 12V DC Operating Current: 80ma approx. The current flows and the LEDs light. There are 4 series strings of LEDs in this circuit, the resistors limit the current through the LEDs and prevent them from burning up. The resistors were adjusted to get approximately 20ma through each string. Differe 🔗 External reference