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design minature sound circuit board using piezo speaker with solar power

$30-250 USD

Lukket
Slået op cirka 6 år siden

$30-250 USD

Betales ved levering
need minature circuit board design that uses a recorded sound chip (like for greeting cards), plays short track every 5 to 10 minutes on a small flat piezo speaker using solar power and a small battery for a 6 month life. need on-off switch and LED indicator
Projekt-ID: 16318377

Om projektet

11 forslag
Projekt på afstand
Aktiv 6 år siden

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11 freelancere byder i gennemsnit $172 USD på dette job
Brug Avatar.
I am embedded system electronics engineer and have worked on CNC motor control board, bluetooth speakers, etc. I have understood your requirements 100% please consider sending me a message so that we can discuss further
$200 USD på 10 dage
5,0 (19 anmeldelser)
6,4
6,4
Brug Avatar.
Hello, have a great day. I-TECH will design the required circuit. We already have developed few prototypes that work with solar cells and have rechargeable batteries. Deliverable will include: 1. Schematics. 2. BOM 3. Gerber files Please feel free to contact us. Best Regards, Shahbaz.
$250 USD på 10 dage
4,6 (52 anmeldelser)
7,0
7,0
Brug Avatar.
Hi There I have checked your project description and understand everything. I am very confident that i can do this project perfectly. Thanks
$155 USD på 3 dage
4,9 (36 anmeldelser)
4,9
4,9
Brug Avatar.
How r u?Bro,,Its me Imad,, Have done 200+PROJECTS REGARDING MATLAB, ARDUINO, VB.NET, PHP, HTML, PCB DESIGNING and much more. Some of the projects are as follows. 1. NEXTION LCD Based bike monitoring and Control System. 2. esp 8266 Home automation and monitoring. 3. Anti theft car system and gps locator U will feel brotherhood.
$40 USD på 3 dage
4,5 (27 anmeldelser)
4,1
4,1
Brug Avatar.
I am electrical engineer. .I have lot of experience working with various employers globally. Can I do Circuit Analysis and design, Power System Analysis,DC/AC machines Electrical Distribution , translation and technical writer .i use Autocad,Matlab,Revit,Plc simulator, Pspice,word and excel.
$120 USD på 3 dage
4,9 (19 anmeldelser)
3,6
3,6
Brug Avatar.
I read the description, I think I can do it. I have developed some voice play product. I am expert in circuit design/pcb layout/mcu program. I have more than 19 years experience. I am Chinese, I live in China. I can fin the cheapest supply & manufacturer. Please contact me, I need mor information.
$222 USD på 20 dage
2,2 (8 anmeldelser)
5,2
5,2
Brug Avatar.
Try my best
$155 USD på 3 dage
0,0 (0 anmeldelser)
0,0
0,0
Brug Avatar.
Please go through our profile fully to know about our line of activity and experience. We have more than 15 years of experience in designing and manufacturing custom built electrical and electronics devices.
$166 USD på 15 dage
0,0 (0 anmeldelser)
0,0
0,0

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Medlem siden feb. 17, 2018

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