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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

Skills: Arduino, Electronics, PCB Layout, Microcontroller, Electrical Engineering

About the Client:
( 9 reviews ) Pretoria, Germany

Project ID: #35847914

43 freelancers are bidding on average $30 for this 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 More

$150 AUD in 7 days
(169 Reviews)
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 in 1 day
(100 Reviews)
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 days
(82 Reviews)
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 More

$30 AUD in 7 days
(91 Reviews)
6.0
Mestek

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$44 AUD in 1 day
(41 Reviews)
5.8
hudex

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(125 Reviews)
6.0
hayat38402

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(60 Reviews)
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 More

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(36 Reviews)
5.5
moatazbeheta2016

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$20 AUD in 5 days
(26 Reviews)
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 More

$30 AUD in 3 days
(8 Reviews)
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 More

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(24 Reviews)
4.5
sikanderabbas48

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(32 Reviews)
4.5
ozdemirmcihad

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(8 Reviews)
4.5
abubakarayyub01

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(12 Reviews)
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 More

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(3 Reviews)
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 More

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(7 Reviews)
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 More

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(4 Reviews)
3.0
Zaqro1997

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

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(6 Reviews)
2.0
SnailENG

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

$25 AUD in 7 days
(0 Reviews)
0.0
eng7shoaib

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$30 AUD in 1 day
(0 Reviews)
0.0