PCB design and manufacture

we are looking for expert guy from china, he will design a printed circuit board (PCB) to do work like usb hub with external power.

in the market there are alot of this type of device but we need some special requirements:

General Requirements:

1. the pcb will be connected to a battery 5000mAh

2. the pcb will be connected to mobile using usb type c

3. the pcb will be connected to Flash Disk.

4. the charger will charge the battery and the mobile on the same time.

5. the battery will charge the mobile with predefined conditions ( Always, below 40% of mobile battery ) this feature require software to mange this.

6. the pcb contains LED lights for indicator to give status of the external battery ( low, charging, full)

7. important: the flash disk must work and we can read its content on the same time while the mobile is charging ( charging by the external battery or by the charger).

8. On/Off switch to disconned the usb connected devices, but keep the charging and battery connected and work.

Design Specs:

1. the PCB will be connected to a mobile using type C usb, and this cable must be FFC cable.

2. the connection between the FFC cable and the PCB must be using connectors ( no soldering).

3. the flash disk, or any usb device will be connected using molex connection ( data + power)

the freelancer must have the ability to contact Chinese factories to bring the cables, connectors, batteries, and manufacture 3 samples of the PCB.

any question you can ask in messages


Skills: Electrical Engineering, Electronics, Embedded Software, Microcontroller, PCB Layout

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About the Employer:
( 41 reviews ) Riyadh, Saudi Arabia

Project ID: #16493285

16 freelancers are bidding on average $598 for this job


Hello, We have a design team with 3 groups: System Design, Layout PCB & Mechanical. We have +15 years experience of Developing custom electronics, Hardware Design, Firmware & Software and +5 years experience of 3D More

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Hello Dear, Thanks for the invitation. I am an expert with more than 15 years of experience in the field of embedded systems, electronics, prototyping and PCB Layouts. I assure you the best solution for your work. More

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Hello there! Hope you doing good! If you still need this to be done, be sure to contact me. Lets make something awesome! Greetings!

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Hi, I have read your project description carefully. Your project is really interesting to me and i can do it correctly. I will do my best. Thank you.

$555 USD in 10 days
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i am a embedded hardware and software expert and have rich experience with hardware design and firmware development. i designed pcbs and developed firmware for it , manufactured prototype directly. you can check my More

$555 USD in 10 days
(16 Reviews)

Hi, Greeting for the day. I am very interested to work in your job because i think it is good fit for me. I have rich experiences with circuit & PCB design and manufacture. I can complete perfectly your project from st More

$555 USD in 10 days
(7 Reviews)

Hi, I am Chinese and live in China. I am expert in circuit design/pcb layout/micro controller program(STM32/pic/avr/51 etc). I think I am the person you need. I have more than 19 years experiences. I have developed a More

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Hello, Our team is extremely good at in the PCB design and also dedicated to Embedded platform. We understood your requirement and would like to discuss a few points. Here is our core competency: Software D More

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(1 Review)

Hi, I am working as a lead product engineer for a startup in sri lnka. I have experience and contacts from china to get PCBs manufactured when the design is [login to view URL] i get this,I will design the pcb from scratch an More

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Hello Sir, I am an Electronics engineer with MS and several years of professional experience in the field. I have more than 100 pcb designs over the past years. I prefer working with Altium Designer 17. You can check More

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Hello, I have read your project description and would like to offer our servuces for your PCB designing. Also we have manufacturing partners in China to help with samples and even later production. We have experi More

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Hi there, Any particular reason why you would prefer Chinese suppliers? We're a company based in Eastern Europe, and we can provide competitive pricing, with the product carrying 'Made in EU' mark. Let us know More

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