How to make china Led Light/Bulb using TransformerLess power supplay.
In video part2 I made aluminium PCB (printed circuit board) and using LED SMD 5630

For the e27 adapter i use second CFL lamp



Automotive Circuit Card Production line Headquartered in China Mainland


PCBWING Technology Co., Ltd (mainly for prototype)

In accordance with

PCBWING Technology Co., Ltd is among the list of China’s top rated manufacturer delivering circuit card services, which is actually a partnership of 3 of the top 10 circuit card makers in China. Our edges are fast-turn, low quantity orders.
We’re a fresh electronics contract manufacturer (ECM) in Peking, China. We are devoted to circuit card prototype within the past 12 years. We’ve served well-known enterprises or associations all over the globe, for example Microsoft, Hewlett packard, Toshiba, Jet Propulsion Laboratory of China, Altium, University of Cambridge, University of Wisconsin, Stanford University, Harvard University, Peking University, Siemens and China Mobile. We have more competitve prices, well-trained technical engineers and high-quality fabrication capabilities. We invited people to reach us and take into consideration us as a professional provider for circuit card fabrication services.

We assure:
Prime quality. Cutthroat pricing. Timely delivery.

PCBWING Technology Co., Ltd can be your solid maker for circuit card prototype service.

Speak to PCBWING

Sales Office Contact:
[email protected]

Assistance Contact:
[email protected]

Promoting Contact: [email protected]


Room520A , Heqiao Plaza B Tower No.8 Guanghua Road
Chaoyang District , Beijing
China Postcode 100026



Based upon :

One-stop Printed Circuit Board assemblage service vendor

(Backing up private label Printed Circuit Board )

STG is a main experienced Printed Circuit Board and PCBA maker in China, which provides OEM/ODM service for world-wide shoppers . With years of experiences, STG is not only a manufacturer, but in addition a pro designer for creative concepts, new innovations according to buyers. Our product range includes many different professions, such as gadgets, telephony, industrial items , automobile assemblies, medical equipment and the like.

Our chief services consist of electronics and metal casing manufacturing, just like printed circuit boards Printed Circuit Board fabrication, element purchasing, Printed Circuit Board assemblage, plastic/metal house build, die-casting plus custom-made fabrication. With knowledgeable team here at STG fully trained, their capabilities will be awesome.

Reach out to STG

China Shenzhen Office

TEL: +86-0755-27929725
FAX: +86-0755-27929724
E-mail: [email protected]

Location: Huolibao Building 5F , Technology Park, Nanshan, Shenzhen, 518100, China.

Hong Kong Office

Tel: 852-36458129
Telefax: 852-36458092
E-mail: [email protected]
Website: .


Topscom Technology Co.,Ltd.

Depending on :

Firm Information

20 Years Of Electronic gadgets One-stop OEM / ODM, Electronic Contract Manufacturing(sometimes known as ECM) and Circuit Board Assembly Services — Shenzhen Topscom

Topscom is a heading Electronics Manufacturing Services (otherwise known as EMS) supplier focused entirely on providing new design and production services to auto, industrial, medical-related, end-user, telecom, and technological firms. With fiscal year 2013 revenues of 360 , 000, 000 USD, Topscom assists prospects design and layout, make, shipping and delivery, and electronics that provides buyers with complete design, engineering, and manufacturing resources which are vertically bundled with elements to strengthen their operations by cutting down their rates and minimizing the period to markets.

Topscom brings an wide choice of manufacturing, engineering and machining services, especially in-house highly precise SMT mount, plastic injection casting, high volume metal stamping, die-casting and made to order fabricating.

Full-equipped Sectors

Our diverse sections are aimed to deliver an vast range of fabricating, engineering and machining services:
Our SMT potential take care of 0201, zero-Lead and flip-chip processes.
Our plastic injection molding team is aligned with enhanced devices in white room and ice water cooling system. A unique production line is moreover designed to get rid of and slice the material grain.
Our metal stamping team features CNC process center, silk devices along with drilling devices produced by Japan and Taiwan.
In our mold tooling dept, we use Pro-Engineer professional software system for valuable design help. By using EROWA grips, we are able to control the precision under 3 ums.
To routinely keep quality control system successful, we constantly analyse our test flow tables. Additionally we maintain purchase agencies in Tokyo, Singapore and Hong Kong manipulated by our core resources warehouse in Shenzhen.

Our plant is in Shenzhen, China with a total region of 200,000 square meters and over 4,000 employees. We extremely trust in the value of our office staff and aspire to maintain a experienced mindset and corporation way of life that encourages imagination and offers job fulfillment.

The administration draws attentions to ongoing training, open communicating, teamwork and involvement in decision-making process.

With significant experience of working with high-technology corporations and varied customer base in wide product selection, we’re quite sure to deliver wonderful services, high pliability, inexpensive manufacturing solutions and punctual delivery for our customers.

Our top-rated consumers list across the world: Rda (Sydney) , Bestdl (Belgium), Sqp (France), Destst, Metro (Israel), Aji, Fujitsu, Sony (Japan), Dgsb (Malaysia), Rdi (Holland), Mlcroalp(Singapore), Inventron, Tempel (Spain), Imc (Great britain), Cisco (USA).

Get a hold of US

Telephone: +86-755-22211988
Inbox: frankwu[at]
Phone :+86 13502814037
Location: No.18, Tannan Road,Tanjia Industrial Region,Gongming Street,Guangming New District,Shenzhen , China.

HK Workspace:

Position : First Building Weigan Center JiuLong HK
Inbox: ivy.ko[at] Ms.Ivy Ko)


EasyEDA Zero Cost Internet Based EDA Tool

EasyEDA is Enthusiastic About Creativity

We’re producers, hackers and technicians. When we wished to design and build some electronics several years ago, we spent weeks time attempting to discover the appropriate software. We expected schematic capture, spice simulation and PCB layout but nevertheless , we needed it not to be exclusively for Ms windows and we didn’t want the thought of being required to shell out a bundle to acquire a sizeable program suite and next devote weeks time learning to work with it.

Our goal is to allow developers move on from theory to built prototype quicker by giving you thorough information and collaboration software programs for electronic design. Whether you’re a novice wishing to have a shot at your initial project or a experienced engineer trying to find a yield turbo charge, our objective is to eliminate the boredom in moving on a design to our lives. We desire to hear what you’re working away on or any tips about the way we can help you, so please feel free to email us.

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Endeavoring to give you a disruptive innovation, we provide an ideal cost-free online EDA software program, but we make an attempt to make a profit from various other services, including supplying PCB trades, PCB assy, advertising and special project reviews by our specialized electronic experts.

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Zipcode: 518000

Business development/association:
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All the other inquiries:
[email protected]