
Closed
Posted
Paid on delivery
I need a KiCad layout for a custom wearable fitness tracker. I have the BOM (attached). It uses an nRF5340, ADPD4200, and AD5940. Requirements: It must be a 6-layer Rigid-Flex design. Must follow JLCPCB/PCBWay HDI design rules (3 mil trace/space). Requires Via-in-Pad (POFV) routing for the WLCSP components. Deliverables needed: KiCad project files, Gerbers, NC Drill, BOM, and CPL/POS files ready for turnkey SMT assembly. pos file: Designator,Val,Package,Mid X,Mid Y,Rotation,Layer U1,nRF5340,aQFN-94,12.5000,24.1000,90.0,Top U2,ADPD4200,WLCSP-36,15.2000,8.4000,0.0,Bottom U3,AD5940,WLCSP-56,8.1000,10.2000,270.0,Top D1,760nm LED,0603,16.5000,8.4000,180.0,Bottom bom: Designator,Quantity,Value,Footprint,Manufacturer Part Number,Description U1,1,nRF5340,aQFN-94,nRF5340-CLAA-R,Dual-Core BLE Microcontroller U2,1,ADPD4200,WLCSP-36,ADPD4200BCBZR7,Multimodal Optical AFE U3,1,AD5940,WLCSP-56,AD5940BCBZ-RL7,Bioimpedance AFE (Hydration) U4,1,CALERA,SMD-Module,gSKIN-CALERA,Heat Flux Core Temp Sensor U5,1,BMI270,LGA-14,BMI270,6-Axis IMU (Motion/Steps) U6,1,MAX20303,WLP-56,MAX20303BEWN+T,Wearable Power Management IC U7,1,W25Q128,WSON-8,W25Q128JVSNIQ,128Mb Flash Memory ANT1,1,2.4GHz Ant,1206,2450AT18A100E,Ceramic Chip Antenna D1,2,760nm LED,0603,SFH 4715S,NIRS LED for Muscle O2 D2,2,850nm LED,0603,SFH 4716S,NIRS LED for Muscle O2 D3,2,Green LED,0402,WL-SMCW 150040GS73220,PPG LED for Heart Rate PD1,1,Photodiode,SMD,SFH 2704,Broadband Photodiode Array
Project ID: 40663806
17 proposals
Remote project
Active 18 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
17 freelancers are bidding on average ₹22,680 INR for this job

Hi,I can execute your 6-layer Rigid-Flex wearable tracker PCB layout in KiCad, tailored for turnkey fabrication at JLCPCB/PCBWay. Key Expertise: Fine-Pitch HDI & WLCSP: Expert in 3 mil trace/space rules and Via-in-Pad (POFV) capped/plugged routing for the ADPD4200, AD5940, and MAX20303 WLCSP packages. Rigid-Flex & RF Design: Stackup planning for flex transitions, 50Ω RF impedance matching for the nRF5340, and clean analog front-end shielding. I will deliver production-ready KiCad project files, Gerbers, NC Drill, matched BOM, and CPL/POS position files for seamless SMT assembly. Let's discuss your stackup constraints
₹25,000 INR in 7 days
6.6
6.6

Profile : ---------- over 20 years of experience in PCB layout design. Designed PCB using Blind/Burried Vias - Back Drilling - Rigid Flex Stack - Castellated holes Good knowledge on DFM, DFT and DFA Concepts. Exposure to Product development stages. Knowledge in High speed designs ,signal integrity, EMI, EMC concepts. Sound knowledge on Component creation, Design Rule settings, Library management and Customer deliverables with documentation. Educational Background : ------------------------ Bachelor Degree in Electronics & Communication Engineering CAD tool supported : ----------------------- 1. Pads VX2.1 standard / Pads Dxdesigner VX2.1 standard / Pads Logic 2. ORCAD PCB Designer Professional17.2 3. Eagle 4. Kicad 5. Altium Designer 23 Services Offered : ------------------ 1. Symbol Creation 2. Scheamtic Capture 3. Footprint Creation. 4. Place, Route ,Gerbers and TQ closure. 5. PCB Layout Review. Minimum Required Inputs : ------------------------- A top - level functional block diagram Schematic Netlsit BOM Mechanicals Impedance Information Current Consumption on each voltage rail. Target fabrication house - capability report Industries Served: ------------------------- • Medical Devices • Consumer Electronics • Industrial Equipment • Automotives • Safety and Security Equipment • Telecom
₹37,500 INR in 7 days
6.5
6.5

HI, KINDLY READ THROUGH MY PROPOSAL I will create a complete 6-layer Rigid-Flex KiCad layout for your wearable fitness tracker based on the nRF5340, ADPD4200 and AD5940, following JLCPCB/PCBWay HDI rules (3 mil trace/space) with Via-in-Pad (POFV) for the WLCSP packages. MY APPROACH ✅ Import the provided BOM and component placement ✅ Design 6-layer Rigid-Flex stack-up with controlled impedance and proper RF/power routing ✅ Implement Via-in-Pad for WLCSP parts and optimise for compact wearable form factor ✅ Generate full production package ready for turnkey SMT assembly DELIVERABLES - Complete KiCad project files - Gerbers, NC Drill, BOM and CPL/POS files - Design notes covering stack-up and critical routing QUESTIONS 1. Can you share the schematic and mechanical outline / flex requirements? 2. Preferred board outline dimensions and any keep-out zones? I am Ready to start immediately.
₹34,000 INR in 5 days
6.5
6.5

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message for my previous designs and also so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq
₹25,000 INR in 7 days
5.3
5.3

Hi, I’ve reviewed the provided BOM and POS data, and I understand the requirements for this wearable fitness tracker. I can handle the 6-layer rigid-flex KiCad layout, including the nRF5340, ADPD4200, and AD5940, with HDI 3/3 mil design rules and Via-in-Pad/POFV for the WLCSP components. I’ll also pay close attention to the RF, optical, analog, and power sections to ensure a clean and manufacturable layout. Deliverables will include the complete KiCad project, Gerbers, NC Drill, BOM, and CPL/POS files formatted for turnkey SMT assembly. Best regards, Ahmed
₹25,000 INR in 7 days
4.4
4.4

As an electrical engineer with a strong background in electronics and embedded systems, I am confident in my ability to deliver the KiCad layout you need for your custom fitness tracker. Not only am I proficient in KiCad, I also have experience with alternative software like Altium, Eagle, and OrCAD that can help optimize the design process according to your specific requirements. Furthermore, my understanding and experience with PCB and PCB Programming will ensure that all components like the nRF5340, ADPD4200, and AD5940 are meticulously placed and routed using the HDI design rules from JLCPCB/PCBWay. Additionally, my knowledge of Via-in-Pad (POFV) routing will be essential for efficient use of space in your 6-layer Rigid-Flex design. Finally, it's important to note that I bring a diverse suite of skills including 3D modeling, rendering, and architecture that makes me adaptable to unique projects. This is especially relevant given the turnkey nature of this project. I'm capable of not just creating great designs in KiCad but also generating accurate Gerbers, NC Drill files along with BOM and CPL/POS files for seamless SMT assembly. With me on board, you can be assured of fast-paced yet precision work. Let's discuss how we can make your vision a reality!
₹12,560 INR in 1 day
3.9
3.9

Hi, I can create the KiCad PCB layout package for your custom wearable fitness tracker using the provided BOM/POS data, with attention to rigid-flex, HDI routing, WLCSP fanout, antenna placement, and turnkey assembly outputs. My approach will be to first review the schematic, mechanical outline, flex zones, board stackup, JLCPCB/PCBWay HDI rules, component placement, and signal/power requirements. Then I’ll prepare the 6-layer rigid-flex layout with proper via-in-pad planning, impedance/RF care, sensor routing, power integrity, and manufacturability checks. I’m comfortable with: * KiCad PCB layout * 6-layer rigid-flex design * HDI 3 mil trace/space routing * Via-in-pad / POFV planning * WLCSP and fine-pitch routing * nRF5340 wearable designs * AFE/sensor board layout * Antenna keepout and RF layout basics * JLCPCB/PCBWay manufacturing outputs * BOM/CPL/Gerber preparation Deliverables: * KiCad project files * Final PCB layout * Gerber files * NC Drill files * BOM * CPL/POS file * Assembly-ready output package * DRC/manufacturing review notes I’ll focus on a compact, manufacturable wearable PCB layout that follows the selected fab rules and is ready for turnkey SMT review. Schematic correction, RF certification, fabrication, assembly, and hardware testing can be handled separately if needed. Best regards Ankit
₹12,500 INR in 2 days
3.9
3.9

A 6-layer rigid-flex with POFV on a QFN and two WLCSPs is exactly the kind of board where most layout engineers burn a spin. I've done this dance before—nRF52-series BLE wearables with optical and bioimpedance AFEs packed into a coin-cell footprint. The ADPD4200 and AD5940 need disciplined analog isolation from the nRF5340's radio and the MAX20303's switcher, and that's where I focus first. Here's what I bring to this: → I've shipped production wearables on Nordic parts with custom rigid-flex, including a golf ball tracker with BLE mesh that ran 9–12 months on a coin cell—same class of constraints as your tracker. → I'll handle the full KiCad layout: stack-up planning, impedance control on the flex, POFV for the WLCSPs, and strict adherence to JLCPCB/PCBWay 3-mil HDI rules. → I'll deliver exactly what you asked: KiCad project files, Gerbers, NC Drill, BOM with verified parts, and CPL/POS files ready for turnkey SMT. My approach: → First, I'll do a pre-layout review of your BOM and schematic to flag any pin conflicts, power sequencing issues, or analog/RF placement risks before routing starts. → Then I'll execute the layout in stages—placement, flex routing, HDI microvias, and POFV—with DRC checks against your fab's specific capabilities. → Finally, I'll generate all fabrication and assembly files, cross-checking your BOM against distributor stock to avoid assembly delays.
₹13,000 INR in 5 days
3.5
3.5

Hi, We at HardFault have previously worked on wearable and sensor PCB designs involving compact RF layouts, nRF-series MCUs, optical sensors, WLCSP devices, and dense power/signal routing, so this is closely aligned with our experience. We can take your BOM and POS requirements and develop the complete 6-layer rigid-flex KiCad layout with the required HDI approach. We can handle the 3 mil trace/space constraints, Via-in-Pad/POFV for the WLCSP packages, RF/antenna placement, sensitive ADPD4200/AD5940 analog routing, power integrity, and compact wearable form-factor constraints. We’ll also ensure the design is checked against JLCPCB/PCBWay manufacturing capabilities before release. The final package from us at HardFault will include the editable KiCad project, Gerbers, NC Drill, updated BOM, and CPL/POS files formatted for turnkey SMT assembly, with proper component coordinates, rotations, and layer information. Could you share the attached BOM and the mechanical outline/flex stack-up so we can start reviewing the placement and HDI constraints?
₹25,000 INR in 7 days
3.4
3.4

Hello, This layout is mainly a stack-up, escape-routing, and signal-integrity problem rather than a standard KiCad placement job. The WLCSP devices, 3 mil HDI rules, POFV via-in-pad, RF section, optical AFE, bioimpedance AFE, and rigid-flex transitions all have to be planned together before routing starts. I can design the 6-layer rigid-flex stackup around actual JLCPCB/PCBWay capabilities, define the flex/rigid transition rules, and route the ADPD4200/AD5940 WLCSPs with controlled via-in-pad fanout while keeping sensitive analog paths isolated from nRF5340 digital/RF noise. Particular attention will go to the antenna keepout and matching area, PMIC current loops, ADC/AFE grounding, LED drive return paths, sensor placement, bend zones, and assembly-access constraints. I also perform final DFM/DFA checks against the selected manufacturer rather than relying only on KiCad DRC. Deliverables can include the complete editable KiCad project plus fabrication Gerbers, drills, BOM and correctly rotated CPL/POS files ready for turnkey assembly. If you can share the mechanical outline/flex geometry and schematic, I can review the stackup and WLCSP escape feasibility first. Nichita
₹25,000 INR in 7 days
3.0
3.0

A 6-layer rigid-flex with WLCSP parts and via-in-pad is exactly the kind of board I enjoy — it’s demanding, but I’ve done similar dense layouts before and know the JLCPCB rules well. → I’ve shipped nRF52-series boards with BLE and optical sensors, so the nRF5340 and ADPD4200 combo feels familiar → I’ll deliver the full KiCad project, Gerbers, NC Drill, BOM, and CPL/POS files ready for turnkey SMT → I’ll follow the 3-mil HDI rules and POFV routing carefully, and can start right away
₹12,500 INR in 5 days
3.0
3.0

With respect to your project, let me assure you that I'm not only experienced in using the KiCad software for PCB layout, but I also specialize in high-frequency and RF circuit design. This expertise is especially relevant as your fitness tracker incorporates components like the nRF5340, ADPD4200, and AD5940 which demand a keen understanding of their unique functionalities and delicate nature. Additionally, I'm well-versed in the use of via-in-pad routing for WLCSP components like the ones in your design. My ability to deliver designs that follow the JLCPCB/PCBWay HDI rules - with 3 mil trace/space - ensures you're choosing a committed professional who strictly adheres to industry standards. Furthermore, my experience in multi-layer and Rigid-Flex designs aligns perfectly with your requirements. Lastly, I would relish the opportunity to work on a project as innovative as yours. It's not every day that one gets an opportunity to contribute to cutting-edge personalized technology like a wearable fitness tracker. My proficiency extends beyond electronics – I take a holistic approach to each project, always considering design accuracy, manufacturability efficiency, and user experience. Let me leverage my skills towards crafting the finest product for you!
₹15,000 INR in 7 days
0.8
0.8

With my unique blend of skills in electrical engineering, electronics, and PCB layout, I am well-prepared to meet your needs for a 6-layer Rigid-Flex design for your wearable fitness tracker. In accordance with your project goals, I am familiar with JLCPCB/PCBWay HDI design rules and proficient in Via-in-Pad (POFV) routing for the WLCSP components. And while my profile might emphasize web and app development, rest assured that this hands-on experience has honed my problem-solving abilities and meticulousness suitable for circuit board design. Moreover, I have a keen eye for detail - an essential trait in creating accurate BOMs and detailed files like the Gerbers, NC Drill, BOM, CPL/POS files you require. My experience includes developing efficient designs for complex electronics including multi-modal optical AFEs and bioimpedance AFEs like the ADPD4200 and AD5940 you mentioned. In fact, I recently developed a custom PCB design that incorporated a 6-Axis IMU and Bluetooth-connected sensors.
₹25,000 INR in 7 days
0.0
0.0

With our comprehensive experience and skill set in circuit design, electronics, embedded systems, and PCB Layout, we are primed to tackle your unique project for a custom wearable fitness tracker. We have extensive knowledge of the components you've listed including the nRF5340, ADPD4200, and AD5940. Moreover, we're experts at navigating HDI design rules like 3mil trace/space which is necessary for your project. We also have hands-on experience with Via-in-Pad (POFV) routing for WLCSP components. Another noteworthy advantage of working with us is our attention to detail in delivering complete turnkey solutions. With the deliverables needed, such as KiCad project files, Gerbers, NC Drill, BOM, and CPL/POS files all ready, we make it easy for you to move from design to manufacturing with minimal hassle. Considering that previous success with similar projects also makes us confidently comfortable ensuring thermal performance and reliability during the design phase. Overall, by selecting our team, you will be gaining not just a freelancer but a partner who commits to precision, reliability, and long-term market suitability. Let's create a custom wearable fitness tracker that exceeds expectation together. Let's talk more about how we can tailor this project to reflect your unique needs and give you an innovative end result that stands out in its functionality and design.
₹25,000 INR in 7 days
0.0
0.0

Chennai, India
Member since Aug 22, 2026
$30-250 USD
$250-750 AUD
₹1500-3000 INR
$15-25 USD / hour
₹1500-12500 INR
₹37500-75000 INR
€10-250 EUR
$30-250 USD
₹600-1500 INR
$55-300 USD
$250-750 USD
₹1500-12500 INR
$15-25 AUD / hour
₹12500-37500 INR
₹20000-75000 INR
€12-18 EUR / hour
₹600-1500 INR
$250-750 USD
$250-750 USD
$750-1500 USD