How to Build a Simple DIY Night Light Using Just a 9V Battery and LEDs

How to Build a Simple DIY Night Light Using Just a 9V Battery and LEDs

Building a simple night light using just a 9V battery and some LEDs is an easy and fun electronics project. With just a few basic components, you can make a useful night light in under an hour.

What You'll Need

Circuit Design

The circuit for this simple night light is very straightforward.

We can add as many LEDs in parallel as we want to increase the brightness. Each LED needs its own resistor to limit the current through that branch.

Building the Night Light

Now let's go step-by-step through building the simple 9V battery powered LED night light.

Step 1: Insert the LEDs into the Perfboard

Step 2: Add the Resistors

Step 3: Connect the Positive Wire

Step 4: Connect the Negative Wire

Step 5: Install the Switch

Step 6: Connect the Battery Snap

Step 7: Check the Circuit and Install Battery

That's it! You now have a handy little 9V battery powered LED night light. The simple circuit provides long lasting illumination on a single 9V battery. Have fun lighting up your room with your own custom DIY night light creation!