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High Precision Timer PCB

€30-250 EUR

Kapalı
İlan edilme: 4 yıldan fazla önce

€30-250 EUR

Teslimde ödenir
I need a circuit which contains a microcontroller and which has ten optocoupled inputs and a precision of 1ppm Technical Data: -Microchip or Atmel controller -10 optocoupled inputs for normal switches -Input voltage: 12 Volt -RS232 Output -1ppm precision with TCXO or something like this. -2,54mm header for the connections (10 inputs, Power supply, RS232 signal) -Header for flashing the microcontroller Software: -An precise interrupt should be generated when one input is switched -Timestamp is generated and the following message is send through RS232: Number of input (1...9) / Timestamp -The last input should be used to reset the timestamp to zero -Timestamp is in milliseconds Design should be made with Eagle or Kicad and the software code should be provided as well from you.
Proje No: 23617012

Proje hakkında

15 teklif
Uzaktan proje
Son aktiviteden bu yana geçen zaman 4 yıl önce

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15 freelancer bu proje için ortalama €213 EUR teklif veriyor
Kullanıcı Avatarı
Hello sir, I have experience in designing electronics circuits and can program all kinds of microcontrollers. You can discuss your project with me in chat and we can move on right away. Thank you.
€150 EUR 10 gün içinde
4,8 (36 değerlendirme)
6,2
6,2
Kullanıcı Avatarı
Hello, I am Anthony from Sri lanka. I have 7 years of experience in the field of electronics. Currently I am working as a full time freelancer and I have state of the art electronic lab. Why you should hire me ?? *** I have state of the art electronic workshop. *** I have worked with many micro controllers and modules. I have developed my own libraries to work with most of popular modules. *** My workshop is equipped with, ** PCB printing materiels ** 3D printing (Both DLP & FDM) **Various kinds of breakout boards **Qualified developers *** At some point after creating the prototype, if you are willing to take your idea to commercial level (mass production) I can help you with that since I have many reliable contacts in China. I would like to start working with you in order to bring your idea into reality. Please contact me if you are interested. We can discuss more. Thank you Anthony
€140 EUR 7 gün içinde
4,8 (42 değerlendirme)
6,2
6,2
Kullanıcı Avatarı
Hi, I hope you are doing well. I have expertise in Microcontroller projects. I have reviewed your requirements for Precise Timer System. I need to discuss my suggestion in chat. Please send me message for further discussion. Looking Forward, Khawaja
€550 EUR 20 gün içinde
4,7 (62 değerlendirme)
6,4
6,4
Kullanıcı Avatarı
Dear Employer, I am an Electronics Engineer, programmer and a PCB designer. I can do this project. I already worked with RS232 in an Industrial project. I used timer for my many project. I can design professional PCB's. I can complete this project in less than 3 days. Thank you for spending your time in my application.
€110 EUR 3 gün içinde
5,0 (15 değerlendirme)
3,9
3,9
Kullanıcı Avatarı
We are a team of Electrical and Electronics engineers and we are Excellent in the following areas: • Embedded C Programming. • VHDL/Verilog • Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC and STM32. • IDEs like Keil MDK V5, ATmel studio and MPLab XC8. • PLCs / SCADA • PCB Designing-Proteus, Eagle. • Multisim • IOT Technologies like Ethernet, GSM GPRS. • HTTP Restful APIs connection for IOT Communications. Also we have good command over report writing, I can show you many samples of our previous reports. Kindly consider us for your project and text me so that we can further discuss specifically about your project's main goals and requirements. We can deliver your project efficiently at a time. If you choose me, I think you won't regret. Best Regards. Also we have good command over REPORT WRITING, We can show you many samples of our previous reports. We can discuss further details in the message box.
€250 EUR 7 gün içinde
4,9 (5 değerlendirme)
4,2
4,2
Kullanıcı Avatarı
I am specialist in development and interfacing between Android application and, Arm, DsPic, arduino board. hardware designing for embedded hardware. software development for embedded hardware. Home automation. Controlling hardware such as relay, dc motor, stepper motor,servo motor. Data monitoring,acquiring and analysis from server. Specialize in handling GSM ,GPRS and GPS Technologies Wireless technologies such as BLE,Bluetooth,zigbee and wifi.
€444 EUR 10 gün içinde
4,9 (12 değerlendirme)
3,6
3,6
Kullanıcı Avatarı
Hi. I’m developing electrical devices , embedded software and service programming. I have designed several devices and have a lot of experience with PIC,AVR microcontroller, ARM processors, Raspberry Pi, and Arduino during that period. Following is my skills and tools3 - System architecture design (project specification and structuring). - Electrical & electronic diagram, and schematic & PCB design. - Firmware development in assembler or C/C++ for any MCU platform. • UART, RS485, I2C, Quad - SPI, USB, CANBus, I2S interface. • FREE RTOS, hal based driver firmware. • Bootloader coding. You could realize your idea at a time , I can guarantee high quality of results. Regards.
€220 EUR 7 gün içinde
5,0 (2 değerlendirme)
2,0
2,0
Kullanıcı Avatarı
Hi Sir, I am an electrical engineering department student and I am interested in your project concerning a pcb + software for a board tells which switch is pressed through rs232 protocol, I read the discription well and know that you want 1ppm crystal precision. I have good skills in embedded systems programming as well as pcb design, I believe I can do this project successfully. You may check my portfolio and view my latest project, looking forward to hearing from you, have a great day! Regards, Muhammad T.
€110 EUR 7 gün içinde
5,0 (1 değerlendirme)
0,4
0,4
Kullanıcı Avatarı
Hey dear, I have a degree in Electrical Engineering. I have gone through the project description. I can complete your project 100% with assurity. I assure you that you will get your project in time. I have almost 2 years experience in this field. I have also already completed such types of projects. you can visit my freelancer profile to check the reviews of related tasks . Please message me so that we can discuss about it more. The bid is negotiable and we can talk about the price.
€140 EUR 7 gün içinde
0,0 (0 değerlendirme)
0,0
0,0
Kullanıcı Avatarı
PCB Designer provided I am a professional Mechatronics engineer, having experience working with different microcontrollers and PCB designing. Education: BS(Mechatronics Engineering) Specialization in Embedded Systems Skills: PCB Designing, product designing, Solving Real-Life Problems through electronics, Microcontrollers. So, my expertise will help you with different microcontrollers, and their PCB circuits. I have knowledge in the management of software Eagle kicad Proteus Kindly visit my portfolios on my profile https://www.freelancer.com/u/saqib150706 I can show you some of my work if you want. I am very professional doing my job, I would like to work with you on this project. Please write to me for more details. Regards
€150 EUR 5 gün içinde
0,0 (0 değerlendirme)
0,0
0,0
Kullanıcı Avatarı
I will do:- Simple to advanced Circuit design and analysis using software tools such as KiCAD, Proteus, Altium Designer, Allegro, PADs, and Eagle My package provides the following services - Schematic drawings - Gerber files - Netlist generation - Pcb's - BOM generation (Professional BOM) - 3D Models of the Actual PCB - ECAD Library Administration I will also generate Gerbers on existing PCBs files
€277 EUR 10 gün içinde
0,0 (0 değerlendirme)
0,0
0,0
Kullanıcı Avatarı
General message: Dear Sir, Greetings from Turkey. I hope you are good. Let me introduce me. I'm Electronics Enginner who have 19 year experience. My experience is related to power electronics, hardware design, analog design, PCB design and microcontroller coding. My projects summary is attached. Please look them. If you look them you will see that I'm ideal person who can make your project without any problem. Some examples are attached. It shows my ability to make your project. Any questions you can ask me. We can talk details of your project by using SKYPe and Whatsapp. Please give me your SKYPE and mobile phone number. My SKYPE: makinmakin35 I can agree budget which you can pay. Please tell me your expected budget. Please give me your project. I promise that I will give good solution. Please respond to me. I hope you will select me. Have a good time Cheers Metin
€75 EUR 7 gün içinde
0,0 (0 değerlendirme)
0,0
0,0
Kullanıcı Avatarı
Вы хорошо описали техническое задание, в отличии от многих других. Этот проект меня заинтересовал. Relevant Skills and Experience Занимаюсь разработкой PCB и схем, цифровой и аналоговой электроникой. Программирую микроконтроллеры AVR, STM32.
€155 EUR 3 gün içinde
0,0 (0 değerlendirme)
0,0
0,0
Kullanıcı Avatarı
I am an electrical engineer. I work in a team of electrical and electronics engineers. We have good experience in electronics design and microcontrollers, especially in Microchip and Atmel microcontrollers.
€200 EUR 7 gün içinde
0,0 (0 değerlendirme)
1,4
1,4

Müşteri hakkında

   GERMANY bayrağı
Stuttgart, Germany
5,0
1
Ödeme yöntemi onaylandı
Tem 23, 2019 tarihinden bu yana üye

Müşteri Doğrulaması

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