İptal Edildi

Bluetooth PCB board

YOU NEED TO SEND 3 Fully working prototypes, Schemetics, PCB layout , Bill of materials, using EagleCAD software.

PRODUCTION COST should be AS LOW AS POSSIBLE , with low power consumption

The Project is to Make Bluetooth device (20mmX30mm) with the following spec:

Bluetooth device that takes 2 CONTROL variables

1- Renaming Bluetooth AT commands

2- Saving command characters in ROM

Programming using ICSP

Hardware size:

Diameter less or equal 3cm with 2 through holes for 3mm screws




Rechargable unit for lithium battery

Charging using micro usb

Go to sleep mode when no signal is received and makeup again when Bluetooth is connected

Connection + Inputs/outputs (all through holes)

2 ADC inputs

2 digital outputs



Through holes battery connection

App spesification:

2 screens:

First screen (admin)


Set Control characters name

Second screen:

Connect to BLUETOOTH with name

Send Control characters

Files : [login to view URL]

Beceriler: PCB Düzen, Elektronik, Mikrodenetleyici, Arduino, Elektrik Mühendisliği

İşveren Hakkında:
( 2 değerlendirme ) Eshbilya, Kuwait

Proje NO: #21292772

Bu iş için 32 freelancer ortalamada $563 teklif veriyor


Glad to write to you. Please visit our profile and see the videos as well. We have the expertise to deliver this project. The efforts and the costs can be shared after having detailed technical discussion. We have do Daha Fazla

$500 USD in 7 gün içinde
(7 Değerlendirme)

Thanks sharing your project. I'm fully read the description, so that, I'm very interested to this project. As I'm a Senior Embedded System Engineer, so I have rich experiences in embedded device development using BL Daha Fazla

$1500 USD in 12 gün içinde
(37 Değerlendirme)

Hi, I hope you are doing well. I have expertise in Bluetooth based embedded projects. I have reviewed your requirements. I have done similar project already. I can meet your requirements. Please send me message for Daha Fazla

$1000 USD in 7 gün içinde
(83 Değerlendirme)

Dear Sir. How do you do? I have seen your description very carefully and posting to you my idea. you can see my many work history from my profile. If you give me a chance to interview, I'll explain in more detail and Daha Fazla

$500 USD in 7 gün içinde
(38 Değerlendirme)
$750 USD in 15 gün içinde
(126 Değerlendirme)

Hello sir, I have experience in designing electronics circuits and can develop hardware compatible smartphone and PC based apps. I also have done a lot of IoT projects and can transform your idea into a fully working p Daha Fazla

$700 USD in 20 gün içinde
(40 Değerlendirme)

Hi there I am an electrical engineer with 8+ years of experience with Bluetooth and RGB leds. I can design this project for you. I can provide you 3 pcb fully assembled prototypes. Let me know if you are interested we Daha Fazla

$750 USD in 25 gün içinde
(36 Değerlendirme)

Dear Sir, I am an expert with more than 15 years of experience in embedded systems, electronics, prototyping and PCB Layouts. I have worked on full stack development and several wireless projects. I have chec Daha Fazla

$750 USD in 30 gün içinde
(43 Değerlendirme)

Hello. are you app developer? I am interested in your project. I have experiences about bluetooth. specially I did control using HC-04,-05 etc. will you make program for digital and analog inputs&outputs? Regards.

$500 USD in 7 gün içinde
(36 Değerlendirme)

Hello. As an electronic engineer, I have been working in PCB design/layout and firmware programming field for 8+ years. Here are some of the experiences that I worked ago. - Schematic and PCB Layout u Daha Fazla

$500 USD in 7 gün içinde
(5 Değerlendirme)

Hello, How are you? Thanks for sharing your project with me. I did read your detail carefully. I have developed a schematic and pcb design on various MCUs with different peripherals, sensors, wireless modules, display Daha Fazla

$600 USD in 7 gün içinde
(13 Değerlendirme)

Hello! I read your project carefully and confirmed it's a suitable one for me. I have been working as firmware and hardware designer for 9+ years. I know about embedded system very well and have wonderful experiences w Daha Fazla

$500 USD in 7 gün içinde
(11 Değerlendirme)

Hi. I am very interested in your project. i have rich experience on it. I think this project is very suitable for me and i am sure i can give you good result . If you award me for your project, you will get good resu Daha Fazla

$500 USD in 7 gün içinde
(3 Değerlendirme)

Noted! We are an innovative team of PCB designing & Firmware experts driven by solutions and results. We just came across with all of your requirements. Here is the process:- Research and Component order Schematic D Daha Fazla

$700 USD in 30 gün içinde
(4 Değerlendirme)

Dear, Client. I would like to say this is my fortune to show you my hardware skills. I can bring your idea to live and you can reach the goal absolutely with me. I have 10+ years experience in hardware design (schem Daha Fazla

$500 USD in 7 gün içinde
(11 Değerlendirme)

Dear Sir, I am very experience in developing boards on Altium PCB design,Proteus and Eagle. I have read your requirements and i am very interested to be part of this project. Kindly review my profile and contact me in Daha Fazla

$750 USD in 15 gün içinde
(7 Değerlendirme)

Hello I am an Electrical Engineer did MS in Electrical Engineering (Control System) as well. I have 4 years of Experience as well, also have 11 IEEE conference publications and 3 Journals with good impact factor My Daha Fazla

$277 USD in 7 gün içinde
(16 Değerlendirme)

Hello Dear Employer. The project you want to be done, I have a done a similar project. In my past project I used a microcontroller ATmega328P, an on board HC-05 Blue-Tooth. I used Autodesk EAGLE for this software. As Daha Fazla

$300 USD in 7 gün içinde
(2 Değerlendirme)

[login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] Daha Fazla

$350 USD in 7 gün içinde
(1 Yorum)

https://www.freelancer.com/projects/Electronics/Capacitor-backup-board-for-Raspberry/ (Power supply for pi) ================================================================ Dear sir how are you. I have read your proje Daha Fazla

$500 USD in 7 gün içinde
(4 Değerlendirme)