LED Ring Lamp DIY Diagram

Step 1: required components

You will need the following components

20x 5W SMT LED

1X voltage buck converter

I used a 3mm Thich 8.5-inch aluminum appliance cover

Heat conducting grease

power cord

Toggle switch

20V 350ts laptop power supply

Step 2: cut a circle inside the aluminum cover

I cut the diameter circle on the aluminum cover on the 4-inch lathe

Grind the sharp edges with sandpaper to smooth the sharp edges

Step 3:

Apply thermal grease to the 5-watt SMD LEDs and place it in the circle.

Took a piece of propylene and cut it into a circle 4 inches in diameter.

Now, if you want to copy it in the same way, you need to use the exact measurement of your lens, and then cut a circle inside so that it can be placed above your lens

With luck, my acrylic sheet fits my lens perfectly.

Step 4: weld LEDs

After placing the LEDs, they need to be welded in parallel

Positive pole and amplifier; GND parallel.

It is recommended to use thick welding wire and solder

Step 5: circuit diagram

Please check this circuit diagram for reference.

Step 6: adjust the power supply

Connect the led to the variable power supply & amp; Check the optimum voltage with a multimeter

The supply voltage is 20 volts and a step-down converter is connected to reach 11.8 volts and 2 amps.

Step 7: connect the ring light to the camera

So once it's done, you need to take some rubber bands and stick them on the acrylic resin, as I did

It is recommended to use spebb7 or epoxy resin adhesive or hot adhesive (hot adhesive is not reliable).

Then connect the power supply.

Step 8: test photos

First of all, I was really clicked on some macro photos, and the results were very good.

It can also be used for video production, video production and rainbow shooting

Step 9: Review & amp; improvisation

Rig, the result is very good, but I noticed something I want to tell you.

The heating is because the aluminum cover is very thin, so the picture above is the second version of it. I used a thicker plate (the constructables of ring lamp VER2.0 will be uploaded soon).

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