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Arduino Device

An experienced arduino designer is required for designing a device:

We need a compact voice recorder with an integrated stopwatch.

The recorder shall be able to record audio and time simultaneously; while recording, if a certain button is pressed the time on the stopwatch shall be stored in a file on the microSD card.

The recorded file shall be a .wav or .mp3 file.

Allowed time drift: 0.01%.

Operational battery life >2h.

Kĩ năng: Arduino, Điện tử, Vi điều khiển, PCB Layout, Kĩ thuật điện

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Về Bên Thuê:
( 0 nhận xét ) נתיבות, Israel

ID dự án: #22756901

Được trao cho:


Hello Thanks for the details. Please explain me about the time? Like you what to set the file name with their record time? Thanks Chanchal

$140 USD trong 7 ngày
(35 Đánh Giá)

Hello,Myself [login to view URL] Sekhar,[login to view URL],Phd from Cdeec Innovations,[login to view URL] have 15+ years experience in Electronics Product development. we have in house pcb fabrication facility for protoypes.i have worked on many IO Thêm

$250 USD trong 7 ngày
(46 Đánh Giá)

13 freelancer đang chào giá trung bình $129 cho công việc này


Dear client, Nice to meet you. I have been working as a firmware and hardware designer for 10+ years. I had developed several similar projects using the various arduino such as uno,mega,nano,due,esp32,ewp8266... I can Thêm

$140 USD trong 7 ngày
(16 Nhận xét)

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 voice recorder,but i have a question regarding disp Thêm

$139 USD trong 2 ngày
(28 Nhận xét)

FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am a Fullstack Expert in development of web, desktop and mobile apps... Lets Start! Please start a Discussion with me and we c Thêm

$140 USD trong 7 ngày
(9 Nhận xét)

Hello.I hope that u will have good weekend. I have rich experience with design , simulation and code development with altium, proteus and arduinoIDE, mikro C and CCS C compiler. If u contact me, I can send you my worki Thêm

$100 USD trong 3 ngày
(5 Nhận xét)

Hi, Are you looking for something like this in below link [login to view URL] if you can do do it your self or I can help Regards Senthil

$100 USD trong 15 ngày
(9 Nhận xét)

I can do it easily, see my portfolio as well.

$155 USD trong 3 ngày
(8 Nhận xét)

Hi there, You will have the time in the audio file itself by the total bytes recorded, just like a digital player that will show the total time. If you need this time you can extracted from the file. The file size is b Thêm

$100 USD trong 7 ngày
(4 Nhận xét)

Hello friend. I have hands on experience in Arduino. I am new at freelancer but can provide you good solution to your project. Let's discuss your idea and may I provide you some more attractive features in your project Thêm

$35 USD trong 3 ngày
(0 Nhận xét)

I have experience with the similar project. dealing with SD card and data processing in .wav format. i would like to know more in detail about it. thanks in advance.

$194 USD trong 4 ngày
(0 Nhận xét)

Greetings, I am an electronic engineer who has more than 5 years of experience in the field of embedded hardware design to its software development. I have done projects in various disciplines from medical, automobiles Thêm

$111 USD trong 2 ngày
(0 Nhận xét)

Electronics Engineer with experience in large scale complex systems development with practicing in Embedded Systems Programming Firmware, C, C++, Linux and Python. Let's Discuss Further. Consider that I will be avail Thêm

$79 USD trong 7 ngày
(0 Nhận xét)