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Need a rechargeable driver for lighting up 20W.

$30-250 USD

In Progress
Posted over 4 years ago

$30-250 USD

Paid on delivery
Required a DC led driver with built-in rechargeable circuit. In case of lost electricity it powers up and when the power is available then it should get charged and light as well. Mainly focused areas are 1. Good Protection from high voltage 2. Cut-off when the battery is full 3. auto switch to battery or DC power source. 4. Power rating for LED is DC 20W, 28-32 Volts with 600mAmps. [login to view URL] AC 240
Project ID: 20376532

About the project

13 proposals
Remote project
Active 5 yrs ago

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13 freelancers are bidding on average $251 USD for this job
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Hi there, I have read your project description and i'm confident i can do this project for you perfectly.I still have a few questions. please leave a message on my chat so we can discuss the budget and deadline of the project. Thanks
$750 USD in 7 days
4.8 (89 reviews)
7.6
7.6
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Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, Plasma ARC power supplies, high frequency transformers design, solar grid tie transformers, electrical vehicles design, circuits design, multi-channel LED Drivers, Regulated power supplies design with universal input to DC output, Audio amplifier, drives design, Filters design for harmonic analysis and Power factor correction, SMPS, LED drivers, DC-DC, AC-DC converters design, PFC interleaved boost converter, Battery management system, Battery chargers, UPS design, sine wave Inverters, solar grid tie inverters, Solar battery chargers and street light systems design from few watts to KW range using Buck, Boost, and Buck –boost, Interleaved boost/buck, Fly back Push Pull and H-bridge inverters. I have very good experience to design high voltage power supplies up to 50KV for capacitor charging power supplies using soft switching topologies. I have work experience to design from few watts to KW range meeting all compliances like EMI/EMC and safety standards UL etc.
$1,000 USD in 30 days
4.9 (61 reviews)
6.7
6.7
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I am an Electrical Engineer with a masters degree and I have high proficiency in Electrical Engineering, HVAC, LTE system model, Thermal system design, FPGA, Verilog / VHDL, Matlab/ Simulink, Microcontroller, Modeling, optimization, simulation of building energy systems: PCB Layout, Arduino and have been working on Industrial Automatics and Electronics. my fields of interest are Schematic design, Prototyping, PCB Design, Development of Electronic systems, Firmware and Software development. Once you share the project, I will have a look & confirm if I can do it. I’m honest, creative and a unique person to carry out your tasks given to me. Leaving your project on our hand is privileged; we'll make sure that the project is done in a perfect way and do our best until you were satisfied. I would love to discuss this project with you and meet your exact requirements. I am confident I can provide you with top-notch materials that will fit your needs. I pride my work on being professional, of the highest quality and always delivered on time. you can hire me directly through this link https://www.freelancer.com/u/olaideejiwole
$35 USD in 1 day
5.0 (8 reviews)
3.9
3.9
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Yes Buddy, An easy project to be done,U will get the best work done,,,,accompanied with brotherhood,,,,,,,,,,,,,,,,,,,,,,,,
$70 USD in 7 days
4.5 (27 reviews)
4.0
4.0
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Hi, I went through project description and willing to work on it. I am confident enough to design a circuit as per your requirement. I have already design rechargeable led circuit with auto on and off feature. kindly let me know if you are interested.
$250 USD in 5 days
5.0 (3 reviews)
2.4
2.4
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Hallo. I‘m PhD student connected to nuclear electronics design. Had also made led front light for my car. Anton.
$250 USD in 7 days
5.0 (1 review)
2.2
2.2
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Hello Sir I am Programmer, Circuit Designer & PCB Layout designer. I can programme Arduino and PIC microcontrollers. I can design circuits and also design Professional PCB in Proteus design suite. I have rich experience in Projects Designing like robots, inverters, Iot & much more.
$40 USD in 2 days
5.0 (1 review)
1.1
1.1
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Hi, I´m an engineer in Mechatronics with a wide experience in Domotic installations. I offer you to design a device to satisfy your needs. I will send you the bill of materials and the software need it to install on the device or if you want I can build everything and send you via post. I will like to work with you. Have a nice day
$250 USD in 15 days
0.0 (0 reviews)
0.0
0.0
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Hi, i'm an electrical engineer with 2 years experience . I'm interested in your project & I can help you in your design .don't hesitate to call me on chat.
$150 USD in 5 days
0.0 (0 reviews)
0.0
0.0
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Hi, Emertion Technologies help you to "Turn your Idea into reality". We help develop your project from earliest stage to production level. We also help in finding best suitable Manufacturer for your product, who can provide you best service . We have specialization in all the services mentioned below: 1. CAD/CAM Or 3d Modelling 2. Simulation/CAE 3. Prototyping 4. 3d printing 5. Product sourcing 6. Presentation Design 7. Logo design 8. Graphic Design 9. Packaging design 10. Rendering We love working on innovative and creative stuff, try to conquer over complex projects. Best part of our company is, "We believe in providing best quality result and try to make it perfect until, you do not get satisfied". We can collaborate and I am always interested in finding the best solutions for your requirements. The result quality is independent of the price of the project, if you have trusted me with your problem I will deliver the best possible.
$200 USD in 7 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED STATES
Lisle, United States
5.0
4
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Member since Oct 21, 2015

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