
In this quick DIY electronics tutorial, we show you how to build a simple 24V to 12V voltage regulator circuit using just a 12V zener diode and a 1KΩ resistor. This voltage dropper is perfect for powering 12V circuits from 24V sources safely and efficiently. Ideal for LED lights, sensors, and low-power electronics!
⚙️ Components Used in This Circuit:
12V Zener Diode – clamps voltage to 12V
1KΩ Resistor – limits current
24V DC Power Source – main input
Load Device – any 12V component (LED, sensor, etc.)
🧠 What You’ll Learn:
✔ How to step down 24V to 12V using a Zener diode
✔ How zener diodes regulate voltage
✔ Why a resistor is important in voltage limiting
✔ Safe voltage regulation for small DC circuits
✔ Easy circuit with only 2 passive components
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