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Simple circuit for a Arduino

Job Description:

I would need Simple circuit design that does the following 2 tasks for a 5V arduino pro mini

1. Power the Arduino (5V) from a car Battery (12-16V) including protection circuit.

The Arduino should keep Power for about 5 seconds after the Battery power is switched off

2. Take a 12-16 V square wave and reduce it to a 5V Square wave via a opto coupler so it can be used with a digital input

I don't need a PCB Layout

Færdigheder: Arduino, Elektronik, PCB Layout, Microcontroller, Elektrisk Ingeniørarbejde

Om klienten:
( 9 bedømmelser ) Pretoria, Germany

Projekt ID: #35847914

43 freelancere byder i gennemsnit $30 timen for dette job

kingch91

Hi, I have read and understood your requirements, you need someone expert in circuit and PCB designing. I am an electronics engineer and expert in schematic and PCB design tools. I can make that task for you using an A Flere

$150 AUD in 7 dage
(169 bedømmelser)
6.8
iquicksolution

Hey there! I'm a professional electrical engineer having more than 4 years of experience in Arduino and circuit design. I can do your task perfectly.

$20 AUD på 1 dag
(100 bedømmelser)
6.4
Engrusman877

Hi There, I am a senior Ph.D. Level Expert and Have more than 5 years of experience in electronics and embedded design. Just check my profile and share your details. Time and Budget will be discussed. Thanks

$20 AUD in 7 dage
(82 bedømmelser)
6.1
mairajali11

Hello, I am Electrical Engineer did MS in Electrical Engineering and have expertise in Arduino Programming and Circuit Designing, I am a verified and preferred freelancer in the field of Circuits/Programming. Check my Flere

$30 AUD in 7 dage
(91 bedømmelser)
6.0
Mestek

hello I am a computer engineer,I have masters in computer engineering,I have experience for more than 8 years in arduino and electronics i can make to u the required circuit design within 24 hours

$44 AUD på 1 dag
(41 bedømmelser)
5.8
hudex

Hello dear, We are group of professional electrical electronics arduino engineer tutors expert and can do your task within given time because we are in top 2% here so just text me so we can help you out with your task Flere

$10 AUD på 1 dag
(125 bedømmelser)
6.0
hayat38402

We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries Flere

$200 AUD in 7 dage
(60 bedømmelser)
6.1
Adeel2k14

I am a professional PCB design engineer i have expertise in PCB and circuit design for industrial level products. I can help you to reduce the cost of the board, dealing with industrial level-based PCB and circuit to m Flere

$20 AUD in 5 dage
(36 bedømmelser)
5.5
moatazbeheta2016

hello sir, I'm an electrical engineer and I have varied experiences in circuit using Proteus simulation program. I have done many projects in this field on Freelancer.com, please kindly check my portfolio I designed m Flere

$20 AUD in 5 dage
(26 bedømmelser)
4.9
PCBDESIGNER38

Hi, Hope you are doing well. I can able to help you on this step down converter project which will power up the Arduino from 12-16V supply voltage. We can discuss in details over the chat, please ping me for further d Flere

$30 AUD in 3 dage
(8 bedømmelser)
4.8
bouzayeniabdelwa

As an Electro-mechanical Engineer, I bid on your project because I have the expertise and experience to provide high quality work. I can achieve the results that you are asking for. So , respond to the offer so that we Flere

$30 AUD på 1 dag
(24 bedømmelser)
4.5
sikanderabbas48

Hi! I hope you are doing better. I have seen your job details. I have seen to need the Embedded system designs experts. I have very good expertise in different microcontroller. These controller are given below 1) 8051 Flere

$20 AUD in 2 dage
(32 bedømmelser)
4.5
ozdemirmcihad

HELLO; I am working as a research and development manager in a private company. I have more than 5 years of experience in embedded system software and hardware. As for software, I am proficient in microcontrollers such Flere

$30 AUD in 7 dage
(8 bedømmelser)
4.5
abubakarayyub01

Hello, Dear Concern, We are a team of professional members of Electrical, Electronics, Telecommunication, Mechanical, Civil, Chemical, Aerospace, Avionics, Aeronautical, Thermal, Renewable Energy, and Industrial Engine Flere

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(12 bedømmelser)
4.7
isurutech

Dear Sir, I would like to present my self as prospective candidate to do your Project. I have experiences in designing schematics. I have read your project description and requirements. However there are some unclear Flere

$20 AUD på 1 dag
(3 bedømmelser)
3.7
aaliyahnza

Valuable client I'm expert electrical engineer with more than 4 years of experience in MATLAB and Arduino coding. I have go through your requirements and I think I'm the most suitable person for this job. I can do you Flere

$20 AUD på 1 dag
(7 bedømmelser)
3.3
NeuraElectronics

Dear Client, I am a good person in the field of Embedded and IoT Development and Electronics. I have created many PCB designs and projects. I have done many projects with Arduino and microcontrollers. So I'm very int Flere

$10 AUD in 7 dage
(4 bedømmelser)
3.0
Zaqro1997

Hello how are you? I have DONE your project circuit with all requirements and I can send it now , write me

$10 AUD på 1 dag
(6 bedømmelser)
2.0
SnailENG

Nice and detailed description, I can provide circuit diagrams and instructions

$25 AUD in 7 dage
(0 bedømmelser)
0.0
eng7shoaib

I am an electrical and electronics engineer, I can do your work weel and in the faster time, and i can change if you want, and i have good experience.

$30 AUD på 1 dag
(0 bedømmelser)
0.0