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The system I’m building must drive two stepper-based peristaltic pumps independently at variable speeds, open and close a bank of solenoid valves, and exchange data with a Nextion touchscreen. I already have functional requirements and a block diagram; what I need from you is the complete hardware design that turns those ideas into a production-ready board. Scope of work • Capture the full schematic, selecting a suitable microcontroller or SoC, stepper drivers, MOSFET or driver ICs for the solenoids, power-supply stages, and all protections. • Lay out a compact, low-noise PCB that separates the high-current paths of the pumps and valves from the logic section driving the Nextion display. • Deliver fabrication files (Gerbers, drill, pick-and-place, and clear assembly drawings) plus a well-structured BOM with manufacturers’ part numbers. Acceptance criteria 1. Both peristaltic pumps run smoothly across the specified RPM range without missed steps. 2. Each solenoid valve channel switches reliably from the chosen supply voltage with minimal heat buildup. 3. Nextion UART signals meet its timing specs on the assembled board. When you reply, please focus on projects where you have already integrated stepper drivers, solenoid outputs, or touchscreen interfaces; that practical experience will help me assess fit quickly. CAD tool preference is flexible—as long as you can export industry-standard Gerbers and editable source files, we’re good to go.
Project ID: 40392587
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47 freelancers are bidding on average €214 EUR for this job

I am an embedded systems engineer with over 16 years of experience. I have worked on several similar projects involving control of stepper motors and interfaces with touchscreens. I can provide you will the full product from conception to production ready prototype including firmware. I can also assist you getting it certified for EU and setting up production. If needed I can be available locally. Please contact me to discuss details
€500 EUR in 10 days
7.6
7.6

Hi, I have experience in designing Circuits and can complete your project. I have expertise in the following: 1- Designing schematic and PCBA 2- Ordering the PCBA and getting boards manufactured. 3- Writing firmware for the PCBA to make sure everything works as expected. 4- I can also develop smartphone apps to communicate and control the hardware. If you wish we can discuss in chat. Thank you.
€200 EUR in 7 days
7.4
7.4

As someone with a broad and deep range of skills that perfectly aligns with your project's demands, I am confident that I am the ideal choice to handle your Dual Pump Control PCB Design. My expertise in circuits, electrical engineering, electronics design, embedded systems, and microcontrollers will be invaluable in capturing your schematic and turning your functional requirements into a production-ready board. In my professional experience, I have successfully integrated stepper drivers and solenoid outputs into various designs, including those with touchscreen interfaces. Moreover, I have significant practical knowledge in PCB layout and fabrication files and can work flexibly on your preferred CAD tool to deliver industry-standard gerber files as well as editable source files. My proficiency isn't limited to digital domains alone. I possess commendable analog design skills with a strong track record of implementing low noise analog circuits. This exposure has also exposed me to designing efficient power-supply stages which would be extremely useful for the high-current paths of the pumps and valves on your board. All these combined assure you of a reliable, optimal, and well-structured design solution that would meet your acceptance criteria.
€125 EUR in 12 days
7.4
7.4

Hello, I have designed production boards integrating stepper drivers, solenoid control, and HMI interfaces. For stepper systems, I’ve used TMC2209 and DRV8825 ensuring smooth microstepping without missed steps. For solenoids, I implemented MOSFET driver stages with flyback protection and thermal-safe operation. I’ve also integrated Nextion displays over UART with stable timing and noise-resilient layouts. Your system will use a clean architecture separating power and logic domains for reliability. I will select an efficient MCU (likely ESP32-S3) with sufficient UARTs and control capability. PCB layout will ensure low-noise routing and proper high-current handling. You will receive full schematic, PCB, Gerbers, BOM, and assembly files. All components will be production-ready and readily available. Timeline: 5–7 days, Fixed price: $220. Regards, Electrical Design Engineer
€140 EUR in 7 days
6.8
6.8

As a seasoned professional in electrical engineering and PCB layout, I’ve had extensive experience integrating stepper drivers, solenoid outputs, and touchscreen interfaces, making me a perfect match for this project. Throughout my career, I’ve developed my expertise in designing reliable and high-performance PCBs for various applications. Notably, I’ve specialized in power supply circuits, multi-layer designs for embedded systems, and efficient LED driver circuits - all key areas of interest for your project. Moreover, my proficiency in firmware development using microcontrollers will ensure seamless communication between various components of your system including the Nextion touchscreen interface. I have deep knowledge of different protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS that are essential to your requirements. Lastly, you can rely on me to design a compact and low-noise PCB that segregates the high-current paths from the logic section with utmost precision. Delivering the accurate fabrication files (Gerbers, drill, pick-and-place) and well-structured BOM is my specialty. I am committed to providing nothing but the production-ready design that meets your exact specifications. Let's get started on this exciting project!
€140 EUR in 7 days
6.7
6.7

As an accomplished electrical and electronics engineer with over 8 years of specialized experience in PCB design, I am well-acquainted with addressing complex project requirements. The successful completion of many projects involving tasks similar to the one at hand is a testament to my proficiency in selecting appropriate components like microcontrollers, stepper drivers, MOSFETs, and so on. I've also mastered the art of laying out boards that ensure adequate isolation between high-current routes and logic sections. To undertake this task favorably, I have been consistently using industry-standard CAD tools like Eagle, Altium, KiCAD, and EasyEDA; which guarantees seamless communication through files like Gerbers. In addition to PCB design expertise, my versatility extends into areas such as Matlab, Python programming, embedded systems design – all relevant skills for your project. My commitment to quality craftsmanship has earned me the valuable recognition of being a Preferred Freelancer and positioned me within the top 1% of skilled professionals. This statistic speaks volumes about not just my technical skills but also the enthusiasm and commitment I bring to every project. Let's translate your ideas into a cutting-edge reality together. Feel free to explore my portfolio for more insights or contact me anytime as I'm available 24/7.
€140 EUR in 7 days
6.8
6.8

Hey there! I’m Alok, A PCB, Circuit and Mechanical designer with a passion for turning ideas into rock-solid, high-performance circuit boards. even expert on Python, C, C++ With nearly a decade of experience, I’ve tackled everything from compact consumer gadgets to complex industrial systems—always with a focus on precision, efficiency, and reliability. # Schematic & Layout Design – Clean, optimized, and manufacturable. # Component Selection & Library Management – No surprises, just the right parts for the job. # Reverse Engineering – PCB cloning, replication, and improvements. # Gerber, BOM & CPL Generation – Ready for seamless production. # DFM & DFA Expertise – Because great design means smooth manufacturing. # Multi-Layer, Flex, & High-Density PCB Design – Whatever the project needs. If you need a PCB and Code that’s efficient, reliable, and built for real-world performance, let’s chat. I’d love to help bring your project to life!
€250 EUR in 7 days
5.8
5.8

Hi, how are you doing? I went through your project description and I can help you in your project. your project requirements perfectly match my expertise. We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries. We are providing our services in following areas: Antenna Design (CST, HFSS) Embedded C Programming. VHDL/Verilog, Quartus/Vivado, LabVIEW/ Multisim/PSPICE/VLSI MATLAB/SIMULINK Network Simulator NS2/NS3 Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC, STM32 and ESP32. IDEs like Keil MDK V5, ATmel studio and MPLab XC8. PLCs / SCADA PCB Designing Proteus, Eagle, KiCAD and Altium 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.
€140 EUR in 7 days
6.1
6.1

To get started, Mannu here. First, let me just address the fact that I'm probably not your typical applicant for a project like this, but as they say, "variety is the spice of life." My proficiency atop CAD maters does extend beyond draftsmanship. While I understand this opportunity calls for some series circuit mastery, my other skills in electrical engineering; you can leverage more or less like LEGO blocks to define a scalable system solution without compromise. For instance, combining my expertise in 3D modeling with electrical engineering gives an automatic advantage when it comes to thinking of compact and low noise designs–this will be pivotal in separation of high-current paths from sensitive logic systems.
€66 EUR in 1 day
5.4
5.4

Hi, I’ve worked on similar control boards before where stepper motors, solenoids, and serial displays are all integrated on one PCB, so your project is very much in my area. For this design, I’d build it around a reliable MCU (likely STM32 or ESP32 depending on your exact requirements), with dedicated stepper drivers (like TMC or DRV series) to make sure the peristaltic pumps run smoothly across the full speed range without missed steps. For the solenoid valves, I’d use proper MOSFET driving stages with flyback protection and thermal considerations so switching is stable and doesn’t generate excess heat. On the layout side, I’ll separate the high-current paths (pumps + valves) from the logic section (MCU + UART to the Nextion) to keep noise low and communication reliable. Power design and grounding will be handled carefully to avoid interference issues. I’ve already done boards that include: * stepper motor control * solenoid/relay driving * UART communication with displays and I can share similar projects with you here in chat so you can see real work. In the end, you’ll get full production-ready files: Gerbers, drill files, BOM with manufacturer part numbers, pick-and-place, and clear assembly outputs. Timeline would be around 5–7 days depending on complexity after reviewing your block diagram. We can agree on a fixed price once I see the full requirements.
€140 EUR in 7 days
5.3
5.3

Hi, I got what you want exactly. I am a PCB Designer & Embedded Engineer with 15 years of experience, providing MCU-based control systems, stepper motor driver integration, solenoid power switching, SMPS design, and industrial touchscreen (Nextion) communication. In my opinion, I would design a clean split-architecture board where the MCU handles real-time motion control for both peristaltic pumps using dedicated stepper drivers with microstepping and current regulation, while the solenoid valves are driven through low-loss MOSFET channels with proper flyback protection. A carefully partitioned PCB with isolated power domains and controlled grounding will ensure smooth motor operation and stable Nextion UART communication without noise issues. This project is very similar to my previous works where I built multi-channel stepper control systems and solenoid-driven automation boards used in compact industrial equipment with long-term reliability. I have strong experience in high-current PCB layout, power integrity, and EMC control, which are essential to prevent missed steps, overheating, and UART instability. My approach always focuses on clean power separation and robust driver selection to guarantee stable field performance. Via private chatting or meeting, I will provide the creative idea and good tech solution for your project Best regards. Yaroslav
€290 EUR in 7 days
4.9
4.9

Best Dual Pump Control PCB Design Expert! ⭐⭐⭐⭐⭐ Dear Client, The biggest risk in this project is not making the pumps and valves move. It is building a board where stepper drive noise, solenoid switching, power design, and Nextion UART integration interfere with each other and create a fragile first revision. That is where solid hardware architecture matters. I would approach this by: 1. selecting the right MCU, stepper drivers, solenoid drive stage, and protection strategy around your pump/valve requirements 2. designing the PCB with clear separation between high-current paths and the logic/display section for low-noise operation 3. delivering the schematic, PCB, BOM, and manufacturing files as a clean production-ready package rather than just a routed board This keeps the first revision focused on smooth pump control, reliable valve switching, and straightforward bring-up. Two quick questions: 1. Are the pump RPM range and solenoid supply voltage already fixed? 2. Is compact size the stronger priority, or extra thermal margin and easier debugging in V1? If you message me, I can outline the cleanest first-step hardware architecture before schematic capture starts. Best regards, Prat PCB Must Innovations
€250 EUR in 7 days
6.4
6.4

⭐⭐⭐⭐⭐ I’ve built boards combining stepper control, solenoid switching, and HMI interfaces, so I understand the balance between clean motion control and noisy power domains. Proposed architecture: • MCU: STM32 (reliable timers for stepper control + multiple UARTs) • Stepper drivers: TMC2209 (quiet, smooth microstepping, UART-configurable) • Solenoids: Logic-level MOSFET array with flyback diodes + optional driver IC (ULN/low-side array depending on current) • Power: Separate rails (e.g., 24V for pumps/valves → buck to 5V/3.3V logic) • Protection: TVS, reverse polarity, proper decoupling, ground plane strategy • Nextion: Dedicated UART with level-safe routing and filtering Layout approach: • Split high-current and logic sections • Star-grounding / controlled return paths • Short, wide traces for pumps/valves • EMI-conscious routing to protect UART + MCU Milestones: Schematic capture + component selection PCB layout (compact, low-noise) Fabrication package (Gerbers, BOM, CPL) Review + minor revisions Deliverables: Complete design files, production-ready outputs, and clear assembly documentation. Quick questions: Pump voltage/current specs? Solenoid voltage/current per channel + quantity? Size constraints for the board? I can translate your block diagram into a clean, production-ready design that runs reliably from day one.
€140 EUR in 1 day
4.5
4.5

Hi , I’m interested to work on your project. I can design arduino mega based pcb , it will include 2 stepper drivers and mosfet or relay based solenoid controller. Nexion display data port. Also it will include power regulator (buck controller ). Can i know how many solenoid you need to control? Im use easy eda pro for design pcb , as final deliverables i can provide you source file , manufacture ready gerber file , components BOM and assemble files. So if you are interested in my proposal contact me! Thank!
€111 EUR in 2 days
4.7
4.7

Hi There! -First of all, this isn't an AI-generated bid like most of the ones you'll see, so please excuse me if it's a bit limited. -Being from Spain, we can have better communication in Spanish if you wish. As you can see in my portfolio when you access my profile, I have very good experience designing and testing PCBs for mass production equipment. -I can perfectly meet all your needs. Write to me via chat to finalize details and get a better quote. I already have clients in Spain who can provide you with a PCBA more easily or advise you on whatever you need.
€150 EUR in 7 days
4.6
4.6

Hi, I have strong experience in designing control boards for peristaltic pump systems and delivering complete, ready-to-manufacture solutions. In a recent project, I developed a fully integrated control unit using a PIC18F46K22 microcontroller, DRV8825PWR stepper motor driver, and a Nextion NX4832F035 touchscreen display. The system provides precise flow control from 0.1 to 30 mL/min (depending on tubing and pump configuration) and an adjustable speed range of 0.1 to 150 RPM. I handled the entire development process—from schematic and PCB design to firmware and user interface—ensuring a reliable and user-friendly final product. I’m confident I can deliver your project quickly and exactly to your requirements. Feel free to contact me for more details or to discuss your needs. Regards,
€375 EUR in 25 days
3.9
3.9

Hi, This is a well-defined dual-board power + distribution system, and I can deliver a clean, production-ready design for both boards with aligned footprints for stacking. For **Board A**, I’ll design a reliable IP5306-based power bank with proper USB-C CC configuration (5.1kΩ), stable 1S2P battery handling, and clean 5V output with protection and status indication. For **Board B**, I’ll implement a solid high-current 5V distribution network for all 6 XIAO modules, using wide power traces (≥60 mil), full ground plane, and proper bulk decoupling to handle Wi-Fi spikes. I’ll also ensure mechanical stability with full castellated pad support. Both boards will share identical dimensions and perfectly aligned M3 mounting holes for stacking. Deliverables include schematics, PCB layouts, Gerbers, BOM, and manufacturing-ready files. Happy to review any preferences or constraints before starting. Best regards, Ahmed
€140 EUR in 7 days
3.6
3.6

As an experienced electrical engineer, I assure you that I am the best fit to design your Dual Pump Control PCB. I have an in-depth understanding of circuit designs, PCB layout, and microcontroller incorporation, which aligns perfectly with your project's needs. In my previous roles, I have worked extensively on projects involving stepper drivers, solenoid outputs, and touchscreen interfaces - skills crucial for your project's success.
€50 EUR in 1 day
3.2
3.2

Hi, I reviewed your requirements, and this is a mixed-signal design where motor control, switching loads, and clean communication all need to coexist without interference. I’ll design a complete schematic with a suitable MCU, dedicated stepper drivers, protected solenoid channels, and stable power stages sized for your load conditions. The PCB will be laid out with clear separation between high-current paths and logic, ensuring low noise and reliable UART communication with the Nextion display. Focus will be on smooth stepper control, thermal stability on switching components, and protection against spikes and back EMF. You’ll receive full fabrication files, assembly drawings, and a clean BOM ready for production. Once we connect, I can share relevant hardware work involving steppers, drivers, and embedded interfaces. Quick question, what supply voltage range are you targeting for pumps and solenoids? Best regards, Muskan
€50 EUR in 2 days
3.3
3.3

Hi, I’m a good fit for this project with 10+ years in embedded hardware and control systems design. Relevant experience: • Custom controller boards with STM32 and mixed-signal PCB design • Stepper driver integration and motor control • Solenoid/actuator driver circuits with protection and thermal considerations • UART/HMI integration, including touchscreen interfaces • Full design flow from schematic and PCB to manufacturing files and bring-up I can deliver production-ready schematic, low-noise PCB layout, Gerbers, assembly files, and BOM, with focus on reliable pump motion, robust solenoid switching, and clean Nextion communication. Your project aligns very well with my background, and I’d be happy to review your block diagram and take it from concept to manufacturable hardware.
€250 EUR in 15 days
3.2
3.2

Terrassa, Spain
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