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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.

Habilidades: Microcontrolador

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Acerca do Empregador:
( 0 comentários ) United Kingdom

ID do Projeto: #14066029

49 freelancers estão ofertando em média £472 para este trabalho

MikroStar

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

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6.2
geekyexperts

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 Mais

£500 GBP in 10 dias
(25 Comentários)
6.3
sagradoamicus

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 Mais

£400 GBP in 7 dias
(22 Comentários)
5.9
seshupower

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 Mais

£777 GBP in 15 dias
(10 Comentários)
5.8
amelectronics

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 Mais

£400 GBP in 15 dias
(12 Comentários)
5.3
CoherentTech123

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 Mais

£500 GBP in 10 dias
(19 Comentários)
5.2
uetian09ee506

A proposal has not yet been provided

£500 GBP in 3 dias
(15 Comentários)
4.8
bulgar

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 Mais

£555 GBP in 10 dias
(3 Comentários)
4.7
gold2star

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 Mais

£450 GBP in 10 dias
(6 Comentários)
4.7
ovaisiq

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 Mais

£388 GBP in 20 dias
(4 Comentários)
3.8
jptalledo

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 in 10 dias
(4 Comentários)
4.0
SantoshKGD

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 Mais

£400 GBP in 10 dias
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3.5
sahanwa23

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 Mais

£250 GBP in 5 dias
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phdenis40

A proposal has not yet been provided

£555 GBP in 15 dias
(7 Comentários)
3.1
vw7929027vw

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 in 10 dias
(3 Comentários)
2.7
£555 GBP in 10 dias
(1 Comentário)
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ExtremeTechs

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 Mais

£390 GBP in 15 dias
(3 Comentários)
2.7
rojuwon1222

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 Mais

£750 GBP in 10 dias
(1 Comentário)
2.3
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