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Micro Controller

I am developing an electronic unit based on our existing technology.

The basic concept is 8 to 24 inputs from sensors . Each sensor input is converted to a 5V digital signal through an opto isolator, therefore we have between 8 and 24 digital signals. We would like to use throughhole PICs to transmit the data over RS485 with one master and 2 to 5 slaves. Each slave will have a LED display, 2 leds per input, a fault led and 4-20mA output. There will also be the option of a remote relay board.

The hardware is under design now but looking for someone to write the code of the PICS. Features to be provided by PIC.....

one master

2-5 slaves

LED display on each slave

4-20mA output from master and slaves

2 out of 3 voting logic on lower channels (1,2,3 or 2,3,4 or 3,4,5) selectable via jumper. Already have this working in a logical if function code (could be improved), output to relay.

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Về Bên Thuê:
( 0 nhận xét ) United Kingdom

ID dự án: #14066029

45 freelancer đang chào giá trung bình £478 cho công việc này


hi, i am an electrical engineer. i have expertise in embedded system design and Matlab.i can help you with this [login to view URL] my profile for relevant project and feed backs. Kindly reply back and let us discuss projec Thêm

£700 GBP trong 10 ngày
(29 Nhận xét)
£555 GBP trong 10 ngày
(45 Nhận xét)

Hi Sir I am an expert embedded system designer with more than 8 years of experience in firmware development. I have been using PIC as MCU for my systems since long. Please get in touch to discuss further I am wait Thêm

£400 GBP trong 7 ngày
(29 Nhận xét)

Hello, I am an Electronics and Embedded system developer. I have experience in Digital and Analog electronic design and Matlab. i can help you with this project work. Kindly check my profile. Reply me back and will dis Thêm

£500 GBP trong 10 ngày
(26 Nhận xét)

Hi, I am a post graduate power electronics engineer and having very good experience in product design and development. I am excellent in embedded programming using pic, dspic controllers and MATLAB codding for Power p Thêm

£777 GBP trong 15 ngày
(11 Nhận xét)

Hello Dear, I am an expert with more than 15 years of experience in embedded systems, electronics, prototyping and PCB layouts. I have worked alot on PIC MCUs. I assure you the best solution for your. Regards Thêm

£500 GBP trong 10 ngày
(24 Nhận xét)

Hi,Client. I have 13 years experience in circuit, PCB design, manufacture and assemble, firmware and application(VC++, QT, Labview) writing. I had developed many products ago using various microcontroller including S Thêm

£750 GBP trong 10 ngày
(6 Nhận xét)

Hello dear I have experience in designing electronics circuits and can make your project. I will make your project practically on breadboard and will provide you circuit, code and PCB design along with gerber files. I Thêm

£400 GBP trong 15 ngày
(16 Nhận xét)

A proposal has not yet been provided

£500 GBP trong 3 ngày
(15 Nhận xét)

Dear Sir, We are a small R & D company, based in Bulgaria, Europe. We specialize in developing Embed systems based Microchip (Atmel – AVR,ARM) and TI (MSP430) MCPUs and peripheries We realize projects with requi Thêm

£555 GBP trong 10 ngày
(5 Nhận xét)

Hi sir How are you? I am a professor of Electronics and Engineering. I am an Electronics and Electrical Design Engineer with the areas of expertise in Microcontroller,Embedded System,PCB design and layout and firmw Thêm

£450 GBP trong 10 ngày
(6 Nhận xét)

I have 8 year experience working with PIC 8/16/32 bit families. I also have experience working with RS485 interface with Master and 50 slaves. I provide remote assistance during code development and testing.

£666 GBP trong 10 ngày
(4 Nhận xét)

hello Sir I am electronics engineer and have experience in designing PIC based systems. I have read your requirements and it seems easy to achieve. however I would like to know more about your hardware. kindly share d Thêm

£388 GBP trong 20 ngày
(4 Nhận xét)

Hi! Im an electrical and electronic masters graduate of UWE currently working as an electrical engineer in a reputed company. Good in AUTOCAD and AUTOCAD MEP. I have the experience of programming in C/C++/Assembly/Ard Thêm

£250 GBP trong 5 ngày
(5 Nhận xét)

Hi, Can you please share your schematics, BOM and connection details. For testing, we have PIC16F1XXX, PIC18, PIC24 DIP versions. About us: Micro-controllers we have worked on PIC, STM32, PSOC and AVR. Devel Thêm

£400 GBP trong 10 ngày
(3 Nhận xét)
£555 GBP trong 10 ngày
(2 Nhận xét)

A proposal has not yet been provided

£555 GBP trong 15 ngày
(7 Nhận xét)
£750 GBP trong 10 ngày
(1 Nhận xét)

Hi, I have been developing such sensor applications for a lot of employers. I have experience with master/slave RS485 communication (along with Modbus) and sensors. I can even work with you on improving your design/fun Thêm

£390 GBP trong 15 ngày
(4 Nhận xét)

Hi, I am an embedded systems engineer with 6 years experience designing many systems. Expert in embedded firmwares. I will be glad to discuss further your project and see how I can help. Best regrads Tarik

£555 GBP trong 10 ngày
(3 Nhận xét)