LED Ring Lamp DIY Diagram
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).
