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Electrical engineering of a prototype

The requirements for my prototype are listed below.

I need a battery operated power source to power 2 small led lights that can run for 3-4 weeks+ without dying. Yet I also need the entire power source to be quite small.

Kĩ năng: Kĩ thuật điện, Điện tử, PCB Layout, Thiết kế vi mạch, Kĩ thuật

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Về Bên Thuê:
( 0 nhận xét ) Los Angeles, United States

ID dự án: #30143195

31 freelancer chào giá trung bình$389 cho công việc này

avigupta0061

Best PCB Design Expert at your doorstep! Dear Client, We can provide a battery operated power source to power 2 small led lights which can be run for 3-4 weeks+ without dying as per your requirements. We couldn’t sto Thêm

$500 USD trong 2 ngày
(33 Nhận xét)
7.1
KartikSheladiya

Hello there, Greetings! On basis of proper power consumption calculations we can design special device accomplishing all the needs of on time. Lithium polymer battery of sufficient size can be choosen. Please let us k Thêm

$500 USD trong 7 ngày
(34 Nhận xét)
6.7
(98 Nhận xét)
6.7
Andrii0125

Hi. I am an electronic engineer with good experience in battery power board design. Please let me discuss about your project in detail. Best regards Andrii.

$500 USD trong 7 ngày
(35 Nhận xét)
6.5
(4 Nhận xét)
6.2
(62 Nhận xét)
5.9
hsh564cf84accd96

Hi my Professional Aim is: (Services then Solutions then Satisfactions) I hope you are [login to view URL] an experience in this field from last 5 years i am sure i can do it perfectly with in a time and budget Able to deliver y Thêm

$250 USD trong 7 ngày
(54 Nhận xét)
5.5
AustraliaMech3D

Hi i have expertise in power electronics design .Your Application requires the use of pulse width modulated signal at a particular frequency to be connected between the lithium ion batteries and the [login to view URL] it does Thêm

$750 USD trong 7 ngày
(7 Nhận xét)
5.1
macroenergy

Thanks for Freelancer which gives chance to meet you. I hope you are good. I have read your description carefully and understand everything. I have 12 year experience on analog design, microcontroller coding and PCB d Thêm

$250 USD trong 3 ngày
(21 Nhận xét)
5.3
HarimohanG

FREE OF COST CONSULTATION Dear Client, I will deliver a battery that can be source to power 2 small led lights that can run for 3-4 weeks without dying in a quality and timely manner. Please message me so we can discus Thêm

$400 USD trong 2 ngày
(3 Nhận xét)
5.2
soltracker

Its me Imad, An electronics engineer, I myself did 200+ projects related to embedded Systems and electronics, Thanx for posting the job,,,,,,,,,,,,,,,,,,

$250 USD trong 2 ngày
(59 Nhận xét)
4.8
Adeel2k14

hope you are fine. I am a senior electronics engineer. I have rich knowledge of embedded system design and PCB designing. I have understood the project description, i am 100% sure i can complete your task. I will Thêm

$250 USD trong 3 ngày
(11 Nhận xét)
4.5
Devpro11

I have read the description of your project. I have a lot of experience with Kicad, Altium, LTspice, Mutisim, proteus. I can focus entirely on your project and complete it in a short period of time. I would like to ha Thêm

$500 USD trong 7 ngày
(7 Nhận xét)
4.5
ComiKs

Hello, I read your description carefully, what Leds do you want to handle? I can design the prototype once you provide the Led Partnumber If you give me a chance to interview, I will explain more detail and will do my Thêm

$250 USD trong 3 ngày
(2 Nhận xét)
3.4
engrfarooq04

hi understood the details that you are looking for the professional electrical engineer for the programming and the designing of the prototype EXPERT IN: Engineering Electronics Electrical Engineering PCB Layout Circui Thêm

$300 USD trong 7 ngày
(5 Nhận xét)
3.6
JanetUralbaev

Hi there, thank you for posting a job. I am a senior electronics engineer. I have enough experience in Circuit Design, PCB Design, Microcontroller Firmware and Mechanical Engineering. I have understood the project des Thêm

$300 USD trong 7 ngày
(3 Nhận xét)
3.5
ninja1Developer

Hi there, I am Ahmed an electrical engineer, I have read your project requirements and i understand your need, you someone to provide a DC power source that can be used with LED and can resist from 3~4 weeks. I need t Thêm

$250 USD trong 7 ngày
(3 Nhận xét)
2.8
cheemaseerat

Hi, Being an electricak engineer and having worked with leds for years, I can definitely design a circuit that can let your leds run for 4 weeks. Hope to hear back soon.

$278 USD trong 3 ngày
(1 Nhận xét)
2.9
(5 Nhận xét)
2.3
(6 Nhận xét)
2.4