Find Jobs
Hire Freelancers

Electrical engineer

$250-750 USD

Zamknięte
Opublikowano prawie 9 lat temu

$250-750 USD

Płatne przy odbiorze
Troubleshoot electronic circuit that multiplexes the output of a switching power supply feeding a LED array. Two identical circuits feeding two identical loads fed from two identical power supplies and one is overdriving the MOSFET and burning it up. Switch poer supplies, loads, same effect, same MOSFET overheats. .
Identyfikator projektu: 8230126

Informację o projekcie

33 ofert
Zdalny projekt
Aktywny 9 lat temu

Szukasz sposobu na zarobienie pieniędzy?

Korzyści ze składania ofert na Freelancer.com

Ustal budżet i ramy czasowe
Otrzymuj wynagrodzenie za swoją pracę
Przedstaw swoją propozycję
Rejestracja i składanie ofert jest bezpłatne
33 freelancerzy składają oferty o średniej wysokości $360 USD dla tej pracy
Awatar Użytkownika
hi sir i am an expert electrical engineer i can do it for you i have almost 4 years of experience. in this field i assure you quality work and ontime delivery please reply to discuss it further regards
$278 USD w 5 dni
4,9 (212 opinii)
7,8
7,8
Awatar Użytkownika
I am an Electrical Engineer having specialization in Electronics and Control, teaching in Electrical Department FAST National University Pakistan. I am also continuing my MS degree in Electrical Engineering with specialization in Control. I have taught the followings courses, and also supervised Projects related to these subjects. 1. Control System Design & Modelling (Matlab & Simulink) 2. Digital Logic Design (Verilog, VHDL) 3. Digital System Design (Verilog, VHDL) 4. Computer organization & Assembly Language (8086 processor, 8051 controller, Arduino) 5. Electric Machines Design and Analysis 6. Circuit Analysis and Design 7. PCB Design (Proteous AREAS + Multisim Ultiboard) I assure you, if you assign your project to me, you surely gonna work with me in future.
$250 USD w 3 dni
4,8 (263 opinii)
7,2
7,2
Awatar Użytkownika
Hello! We can do this job. We have big experience in analog and digital circuits. Please contact me in chat.
$526 USD w 10 dni
4,9 (25 opinii)
7,1
7,1
Awatar Użytkownika
Hi, I am a post graduate power electronics engineer and having excellent design and development knowledge in power supplies,SMPS,DC-DC,AC-DC,Battery chargers design using different topologies like flyback,push pull,boost,buck,Forward and buck boost. I have design experience from few watts to KW range using universal supply range. I understand your requirement and ready to work for you. Please contact me for further discussion.
$333 USD w 4 dni
4,8 (57 opinii)
6,7
6,7
Awatar Użytkownika
A proposal has not yet been provided
$250 USD w 3 dni
4,9 (101 opinii)
6,4
6,4
Awatar Użytkownika
Hello, Have a great day. We are startup company offering services in Electronics circuit design, Prototyping and trouble shooting. Please send us the diagram of circuit if you have. looking forward for the response. Regards, Shahbaz.
$500 USD w 10 dni
4,9 (36 opinii)
6,3
6,3
Awatar Użytkownika
I have over 35 years experience as an electronic design engineer, please see my profile for more details The current price and timescales are only place holders to allow me to communicate with you Please send me the current circuit, BOM and PCB layout to see if can help Best Regards Dave Lelievre
$555 USD w 10 dni
4,9 (15 opinii)
5,8
5,8
Awatar Użytkownika
Professional electronics and electrical engineer with 35 years of experience in electronics design and 8 years wit LED based product design
$333 USD w 10 dni
4,4 (54 opinii)
5,9
5,9
Awatar Użytkownika
Hello My bid is $100 . I got it what you want. I am interested in your project. Thanks for the job. I am certified Electrical Engineer with specialization in robotics. . I have been doing engineering freelancing for 5 years. You are going to be hiring a skilful person with intelligent approach. Give me further details. Regards Engineer Nouman
$250 USD w 5 dni
4,7 (20 opinii)
5,2
5,2
Awatar Użytkownika
I have read and fully understood your requirements.. Please open chat to discuss further… _____________________-----------------------------------_____________________________------------------
$400 USD w 10 dni
4,7 (30 opinii)
5,0
5,0
Awatar Użytkownika
Hi I am an electrical engineer and i have extensive expertise in electronic circuit design (analog & digital both) Send me the circuit and i'll tell you how soon this can be done Regards Usman
$400 USD w 10 dni
4,7 (14 opinii)
5,2
5,2
Awatar Użytkownika
I can help you ............................................................................................................................................................................................
$250 USD w 10 dni
5,0 (19 opinii)
4,2
4,2
Awatar Użytkownika
A proposal has not yet been provided
$750 USD w 10 dni
5,0 (13 opinii)
4,0
4,0
Awatar Użytkownika
Dear Sir, I am expert in electronic circuits repair in general, repaired so many electronic appliances, and devices which has electronic circuits, and i already have an instruction file i made before for client here, to help repairing Modern power supply board, including explain of the circuit, the probabilities of causing the fault, and how to fix, i can send to you to take a look at, when you message me also, i will need clear pictures of the board you have with fault, from both sides, and service manual if yo have of the machine where the baord is installed in, so i understand its function, see its components and predict the cause of faults and how to troubleshoot and fix waiting your response, Thanks
$555 USD w 10 dni
4,9 (6 opinii)
3,2
3,2
Awatar Użytkownika
I'm an electronics engineer with 20 years circuit design experience in medical, scientific, and petrochemical instrumentation. I've worked in all phases of the circuit board life cycle in my time in R&D and Manufacturing.
$333 USD w 10 dni
5,0 (1 opinia)
2,8
2,8
Awatar Użytkownika
I'm an electronic engineer from Venezuela a lot of experience with power supply and digital logic and control, i can fixed your problem just let me have more information about the circuit schematic and values of components.
$250 USD w 3 dni
4,9 (3 opinii)
1,8
1,8
Awatar Użytkownika
Hello, I am a Hardware and Firmware Developer cum Schematic/PCB Designer, having 9+ years of experience. Expertise in Arduino, AVR, PIC, 8051 programming. PCB/Schematic design expertise in Proteus, Altium, Eagle, Orcad. Also having expertise in using Simulators like Proteus, Multisim, PSpice. I want to discuss further details. Thanks Sapna Surve
$250 USD w 5 dni
5,0 (1 opinia)
1,6
1,6
Awatar Użytkownika
Dear Sir/ Madam, I am currently enrolled in masters. I am very well versed in circuit and chip designing as being my major subjects. As well as I have almost 5 years of professional experience in different industrial setups. I am sure if you awarded me this work you will not be disappointed. Would love to know the details and discuss with you in person. Looking forward to hear from you. Regards. Taimoor Khan. Student Master Electrical Systems Engineering. University of Paderborn, Gerrmany.
$277 USD w 10 dni
0,0 (0 opinii)
0,0
0,0
Awatar Użytkownika
I'm an Electronics Engineer with 4+ years of experience on Embedded Systems and Circuit Design, i have dealt with problems like these in the past for private corporations and i can surely troubleshoot your circuit
$250 USD w 3 dni
0,0 (0 opinii)
0,0
0,0
Awatar Użytkownika
A proposal has not yet been provided
$250 USD w 3 dni
0,0 (0 opinii)
0,0
0,0

O kliencie

Flaga UNITED STATES
United States
0,0
0
Członek od sie 8, 2015

Weryfikacja Klienta

Dziękujemy! Przesłaliśmy Ci e-mailem link do odebrania darmowego bonusu.
Coś poszło nie tak podczas wysyłania wiadomości e-mail. Proszę spróbować ponownie.
Zarejestrowani Użytkownicy Całkowita Liczba Opublikowanych Projektów
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Wczytywanie podglądu
Udzielono pozwolenia na Geolokalizację.
Twoja sesja logowania wygasła i zostałeś wylogowany. Proszę, zalogować się ponownie.