Find Jobs
Hire Freelancers

design minature sound circuit board using piezo speaker with solar power

$30-250 USD

Closed
Posted about 6 years ago

$30-250 USD

Paid on delivery
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
Project ID: 16318377

About the project

11 proposals
Remote project
Active 6 yrs ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
11 freelancers are bidding on average $172 USD for this job
User 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 in 10 days
5.0 (19 reviews)
6.4
6.4
User 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 in 10 days
4.6 (52 reviews)
7.0
7.0
User 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 in 3 days
4.9 (36 reviews)
4.9
4.9
User 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 in 3 days
4.5 (27 reviews)
4.1
4.1
User 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 in 3 days
4.9 (19 reviews)
3.6
3.6
User 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 in 20 days
2.2 (8 reviews)
5.2
5.2
User Avatar
Try my best
$155 USD in 3 days
0.0 (0 reviews)
0.0
0.0
User 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 in 15 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED STATES
United States
0.0
0
Member since Feb 17, 2018

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.