Uploaded May 2021 | Updated September 2026, 2 weeks ago

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In this video I'll be creating a second 200W YouTube Studio light, including a current-regulated dimmer.


The components for building a complete LED:
12V-24V 200W COB LED Light: https://s.click.aliexpress.com/e/_dYpHj9z
COB LED Light heatsink: https://s.click.aliexpress.com/e/_dYj7gUB

24V 500W PSU. BE WARNED! THIS PSU ONLY OUTPUTS 240W at 20V not 500W!: https://s.click.aliexpress.com/e/_ADHMYh

24V ball bearing fan: https://s.click.aliexpress.com/e/_AUz413
12A 24V step down: https://s.click.aliexpress.com/e/_AbvUff
100x100x1.5mm thermal pad: https://s.click.aliexpress.com/e/_AfvVYH
MT30 connector: https://s.click.aliexpress.com/e/_AEKAJv
MP1584EN DC DC converter: https://s.click.aliexpress.com/e/_AqWN9v



The 3D models:
thingiverse.com/thing:4611162



Chapters:
00:00 Intro
00:26 Fans
01:53 24V fan
04:01 300W buck converters!
05:36 Testing the 300W converters
12:20 3D printed cases
15:18 Replacing the current potentiometer
17:09 Schematic
17:47 Testing the buck converter
20:24 Connecting the dimmer's fan
21:35 Making new connectors
24:14 Final dimmer test
25:26 Preparing the cabling
27:26 Installing evyerthing inside the case
29:55 Installing the thermal pads
30:29 Timelapse
32:40 Temperature tests



Thanks for watching my video!

Want to contribute to my channel?

You can buy various electronics components using these links:
FeelElec FY6900 (20MHz to 60MHz): https://s.click.aliexpress.com/e/_d8uetg0
ESP-01S: https://s.click.aliexpress.com/e/_BfirlPh2
NodeMCU V3: https://s.click.aliexpress.com/e/_dXIVjLI
RobotDyn AC dimmer: https://s.click.aliexpress.com/e/_d8YAlGg
220V AC to 3.3V DC converter HLK-PM03: https://s.click.aliexpress.com/e/_dUHCfJW
VS1838B IR receiver: https://s.click.aliexpress.com/e/_dWGz9eG
Prototyping boards (various sizes): https://s.click.aliexpress.com/e/_d8ZxGAs
Dupont jumper cables (all variants): https://s.click.aliexpress.com/e/_dVyzHN2
(Tip!) Blitzwolf micro usb (+ USB C adapter): https://s.click.aliexpress.com/e/_Ap4HWV
(Tip!) 115 in 1 scredriver set: https://s.click.aliexpress.com/e/_d8RBPy8

Please checkout my Patreon page! patreon.com/timselectronicslab

You can also find me on Instagram:
instagram.com/timselectronicslab

If you still need to create a Banggood account, please use my referral link:
banggood.app.link/AYJB8cq4X8

Please use this link if you are planning to purchase something:
banggood.com/index.php?zf=6303154