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PCB Design for Stepper Motors.

$750-1500 USD

Lukket
Slået op næsten 7 år siden

$750-1500 USD

Betales ved levering
-------- Please if you don't have time to work don't waste time and read the project ------- I am in immediate need for PCB design validation services. In a nutshell, I’ve had work that was done by another company....unsuccessfully. I am now in a huge crunch with time as i have a presentation to give in 1.5 weeks. Here are the briefs for the project: Mixer – 2 Versions •Button Version I am using a NEMA 23 Stepper motor to spin a 300g Load at high speeds of up to 500rpm. There are 2 buttons: START & STOP. START: The spin cycle is basically using arrays to start up the stepper, first slow, then gradually increasing the speed until it gets to the max speed. The max speed will hold for a certain length of time, then the speed will gradually reduce to a stop. Basically by reversing the array sequence. STOP: Stop the spin cycle at any point during the spin sequence. **It’s not recommended to stop or accelerate the Stepper Motor too quickly. So the way i have it is to slowly decelerate its speed. For example: •If the current RPM is 411, when the stop function is activated, the current RPM will hold for 5 revolutions then basically reverse by starting sequence 5 and 6 (with only 1 revolution) •If current RPM is 210…(rpmArray[6]), the stop function will hold the current RPM for 5 revolutions then reverse by starting sequence 6. No matter where the current RPM is, when the stop function is activated, the current speed has to stay as is for 5 revolutions before the reversal begins.** •1x Stepper Motor NEMA 23 - [login to view URL] •2x Momentary Push Buttons (Green & Red) - [login to view URL] •24 Volt 1A wall power supply - https://www.amazon.com/gp/product/B0194B7ZS0/ref=od_aui_detailpages00?ie=UTF8&psc=1 (I’ve had issues finding a high voltage 1A wall power supply for this. As long as the Stepper is able to run at Top speed with the max rated torque. Using a standard easily accessible wall power supply.) •LCD Version The same as the Button Version, but the touchscreen Replaces the buttons. Current LCD being used: Display: [login to view URL] Touch screen: [login to view URL] I can provide you with the schematics, BOM, gerber files etc. for the project. I can also send The reference files for the LCD version. The previous group working on this was unable to properly get the PCB’s to be Arduino compatible(I need to be able to re-upload code or change up the sequence after boards are made). And they designed the boards to work with a 30V (wall) power supply…which doesn’t exist or is not easily accessible. They also weren’t able to successfully get the motor higher than 300RPM. I would like you to review these designs and validate them to be able to work with the above requirements. The boards need to remain the same overall size, I am currently machining an aluminum housing for this to be assembled into. Please review and get back to me ASAP. I really need to get fully assembled and operational PCBs as quickly as possible. Contact me with any questions. Thanks
Projekt-ID: 14047016

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32 forslag
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Aktiv 7 år siden

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32 freelancere byder i gennemsnit $1.455 USD på dette job
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Hi Sir I am an expert embedded system designer with more than 8 years of experience in this field. I have read the details and I am sure I can do it for you It seems the project need to be done in shorter time I am ready to discuss the possibilities over chat Waiting for your reply to start Regards
$2.500 USD på 9 dage
4,9 (240 anmeldelser)
7,9
7,9
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Hi Sir, We have read your project and we can design you such suitable PCB that will be compatible to arduino. we will also be designing you power supply to cope with current requirements. However our bid don't include manufacturing. You have to send it to manufacturer or we can help you to find suitable manufacturer for your project. We are professional engineers and developers who do such projects from the last eight years. We offer you our skills for this project at very low rates comparatively without compromising the quality of work. Let me introduce you to our company TURKTRONICS. We are TURKTRONICS. We are professional with 8+ years of experience in Circuit designs, PCB designs, embedded system solutions, mobile app development, programming and software development. We provide complete end to end solutions for all kind of development projects. IOT is our strong point. In this bid, prototyping and shipping cost is not included however paying extra slight of money to include prototypes. We have collaboration with Atechcircuits in Shenzhen China for excellent quality PCB manufacturing. We care about our clients and help them to get out of any potential problem throughout the projects and also give post completion technical support if ever required. We are very much looking forward to hear from you on this in coming days! Cheers!!! Ahmad Lead Technical Engineer TURKTRONICS An Internet of Things Company
$2.000 USD på 10 dage
4,8 (54 anmeldelser)
6,8
6,8
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Hi, I am a post graduate power electronics engineer and having very good industrial experience of 8+ years in R&D and project development. I am excellent welding power supplies design, high frequency transformers design, circuits design, multi-channel LED Drivers, Regulated power supplies design with universal input to DC output, Audio amplifier, drives design, Filters design for harmonic analysis and Power factor correction, SMPS, LED drivers, DC-DC, AC-DC converters design, PFC interleaved boost converter, Battery management system, Battery chargers, UPS design, sine wave Inverters, solar grid tie inverters, Solar battery chargers and street light systems design from few watts to KW range using Buck, Boost, and Buck –boost, Interleaved boost/buck, Fly back Push Pull and H-bridge inverters. I have very good experience to design high voltage power supplies up to 50KV for capacitor charging power supplies using soft switching topologies. I have work experience to design from few watts to KW range meeting all compliances like EMI/EMC and safety standards UL etc.
$1.666 USD på 40 dage
4,9 (52 anmeldelser)
6,5
6,5
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Hello Sir/Madam, I am Anthony Perera from Sri Lanka and I have multiple degrees on Engineering field. Why you should hire me ? * I am a FULL TIME freelancer and once a project is awarded to me,all my time will be dedicated to that specific project so you will get fast and quality work. * I have been in the field of product designing so if you are developing a commercial device I can help you to design it at very low cost and also can get into contact with Chinese manufacturers who I work with. Very reliable and fast. * I have my own PCB printing facility and also a workshop where I can design and manufacture any number of samples/prototypes. In that way you don't have to find some one else to test my work. * My prices are very fair and can be negotiated all the time. I am very flexible and very understanding. You can see my reviews. Check my profile. See for your self. https://www.freelancer.com/u/Anthony989.html Pretty easy. I can get this done quickly. For this price you are entitled for one free board. How many boards you want to be printed. Please let me know. Thank you Anthony Perera
$1.250 USD på 20 dage
4,8 (58 anmeldelser)
6,5
6,5
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Hi... I have 6+ years of experience in the field of electronics. I am working on different industrial based project where my primary role is to design footprints, symbol, schematic and PCB layouts as well as 3D modelling. You can check out my portfolio for my work information and my qualification. Please see attached portfolio. I have designed and manufactured more than 225 Product which includes projects like Live location tracking system, cap sense based home automation system, GSM security system, heartbeat monitoring system, chemical detection robot for pharma industry, autonomous robots and many more.(see some project images in attachment) Expect your work done within deadline with best quality..... I works on Altium designer, eagle, orcad, sprint layouts, PCB express and proteus ARES for PCB designing. If you have any other query please let me know and send your detailed requirement in personal message. so we can discuss and analysis project requirement. Thank You
$944 USD på 8 dage
4,9 (52 anmeldelser)
6,1
6,1
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Hi, I have experience in electronics and Arduino developing. I worked before project with 3 steppers at realtime mode (rotating together with different RPM/Start/Stop). PCB will be designed with Eagle PCB designer. I can do your project on Arduino platform. Regards, Slavi.
$1.250 USD på 30 dage
5,0 (18 anmeldelser)
5,4
5,4
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Hi, I am an electronics engineer in Ireland, with 15+ years experience in industry. I have worked with several US companies to develop their new products. I can help you with this. Please open a chat for more detail. Thanks.
$2.500 USD på 20 dage
5,0 (27 anmeldelser)
5,3
5,3
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Hi. I am a professional Electronics Engineer having expertise in PCB and circuit designing. I have read your requirements. I can do it. Contact me. And provide me the complete details with previous work etc.
$1.111 USD på 20 dage
4,6 (14 anmeldelser)
4,9
4,9
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A proposal has not yet been provided
$833 USD på 30 dage
4,8 (6 anmeldelser)
4,6
4,6
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FREELANCER RECOMMENDED ------------------------------------------------------ Can help... I am an Expert... Lets Start! Please start a Discussion with me and we can get started from there... Please check the past projects I have handled and check my reviews for what employers have to say about my work... Can start right now...
$1.250 USD på 20 dage
5,0 (9 anmeldelser)
4,3
4,3
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Hello! We are extremely interested in this project and would love to work on this project, please reply back to discuss further. Looking forward to hear from you soon. Thanks!
$1.555 USD på 20 dage
4,9 (6 anmeldelser)
4,2
4,2
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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/Arduino/PIC C/MikroC/MATLAB for more than three years. I also have the knowledge and experience of ELECTRICAL AND ELECTRONICS circuit analysis and design. I also have experience in embedded systems using microcontrollers like PIC, ATMEL, ARDUINO and most of the other types. I have made different kinds of devices varying from radios to drones and more. I am very keen to work on implementation projects I also have studied Artificial intelligence. Im very thorough with subjects like Neural networks, Fuzzy systems, Genetic algorithms and Expert Systems. I have done BCS (British computer society) diploma level. I have the knowledge on PHP/HTML5/mySQL for website development. I have completed many freelancer assignments successfully. If you are interested in hiring me, please send me a message. I have made a lot of reports in the recent past. I have good experience in using Microsoft office softwares like Word, Excel and Powerpoint. I can write reports of any length without mistakes. Thank you!
$750 USD på 20 dage
4,7 (20 anmeldelser)
4,5
4,5
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Hi, Can you please share any other project requirements/task expected from us. About us: Micro-controllers we have worked on PIC, STM32, PSOC and AVR. Development kits and instruments available for testing purpose. For PCB designs we use KICAD. C#, LABVIEW, Python for GUI, Controlling or Datalogging purpose. Thanks and Regards, Santosh
$1.250 USD på 20 dage
4,8 (5 anmeldelser)
4,0
4,0
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hi, I just have two questions... 1) why stepper motors if you want such high speeds instead of, for example, a DC motor with an encoder or tachometer? 2) since you got the NEMA 23 from pololu why not try the DRV8825 module they provide instead of designing your own, if you were doing a proof of concept? I can inspect your files if you wish and quickly give you an answer based on them and your answer to the questions above. cheers, Gabriel
$1.333 USD på 7 dage
5,0 (5 anmeldelser)
3,7
3,7
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Hello, I have the necessary knowledge for your project. Work with arduino and a variety microcontrollers. We design your pcb, with PIC microcontroller. Award me the project and we will start working from this moment.
$1.333 USD på 10 dage
0,0 (0 anmeldelser)
0,0
0,0
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I m best in pcb design
$1.444 USD på 8 dage
0,0 (0 anmeldelser)
0,0
0,0
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Hello, We are a team of embedded hardware and software professionals with experience in circuit design, schematic entry and PCB layout. Is the components already available with you? Do you want us to deliver the prototype or just confirm the design so you can assemble this and test at your place? Would like to know more about the project. Looking forward to work on this project. Please feel free to contact us for any further discussions. Thanks and Regards Techoviz
$750 USD på 20 dage
0,0 (1 bedømmelse)
0,0
0,0
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The issues you describe seem to be mostly software issues, we would most likely need to update the firmware to fix some of the issues. I can't say much without seeing the schematics, but stepper motors are generally do not run at high rpms. Regards
$1.250 USD på 20 dage
0,0 (0 anmeldelser)
0,0
0,0
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Hello, I have designed quite a few products with motors and alot with arduino-alike barebone systems. Message e if you need any help.
$833 USD på 7 dage
0,0 (0 anmeldelser)
0,0
0,0
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I am a good circuit designer. If you give me chance to Wark on your project so I take full responsibility to complete your project with our 100% effort .
$755 USD på 10 dage
0,0 (0 anmeldelser)
0,0
0,0

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