Altium nexuspekerjaan
...common-mode choke) • PCB designed for power: • proper copper widths/planes for 5A/channel • thermal considerations and decoupling near VN5016AJ • sensible grounding (power vs logic) and current return paths • Connectors: industrial/reliable (screw terminals / automotive connectors / M12 etc. — to be agreed) ⸻ Deliverables (Scope of Work) 1. Electrical schematics for TX and RX (EDA: KiCad/Eagle/Altium — to be agreed) 2. PCB design (SMD) for TX and RX: • manufacturing files: Gerbers + drill, BOM, pick&place, assembly drawings 3. Enclosure selection/design: • propose a suitable off-the-shelf industrial enclosure or design one (3D print/CNC) • mounting points, cutouts for connectors, labels • files: STEP/STL/d...
...range of 9–24 V DC, protected against overvoltage and reverse polarity. • A communication interface and a programming connector for the ESP32 • Integration of MEMS sensors (accelerometer / gyroscope – the exact model will be agreed after the work starts). • A CAN-BUS interface with a transceiver suitable for industrial environments at 3.3 V. Expected final deliverables: 1. Schematic in KiCad, Altium, or Eagle format (to be agreed). 2. PCB layout with EMC rules applied and a silkscreen/annotation layer. 3. BOM with component availability information (preferred sources: Digi-Key, Mouser, or Farnell). 4. Gerbers, drill files, and board outline drawing for manufacturing. 5. A short README describing bring-up/initial setup and assembly guidelines. I c...
...Deliverable Format Schematic PDF + source (Altium preferred, KiCad/OrCAD acceptable) PCB Layout Native format + Gerber (RS-274X), drill, IPC-356 netlist Stack-up Drawing PDF with impedance control notes Bill of Materials (BOM) Excel/CSV with LCSC/JLCPCB part numbers Component Placement List (CPL) CSV with centroid data 3D STEP File STEP format for case fit verification Design Report PDF summarizing impedance targets, simulation results, critical layout decisions Assembly Drawing PDF with component locations and notes Legal & Ownership: Full IP ownership is required. I will use Upwork's IP Agreement Upgrade to formalize this. All work product becomes my exclusive property upon final payment. Experience Required: Skill Priority 4+ layer PCB design (Altium/KiCad) ⭐⭐...
I need a medium complexity (3-4 layers) PCB designed for signal processing. The design should be capable of accommodating surface-mount components. Requirements: - 3-4 layers PCB design - Signal processing functionality - Surface-mount component integration - Gerber file generation Ideal Skills: - Experience with PCB design software (e.g., Altium, Eagle) - Strong understanding of signal processing circuits - Proficiency in layout for surface-mount components - Attention to detail and accuracy Please provide samples of previous work.
I'm seeking an experienced PCB designer to create a double-layer PCB for a consumer electronics radio project. The PCB will include microcontrollers as key components. Key Requirements: - Design a double-layer PCB - Incorporate microcontrollers into the design - Suitable for consumer electronics use Ideal Skills and Experience: - Proficiency in PCB design software (e.g., Altium, KiCad) - Experience with double-layer PCB design - Knowledge of microcontroller integration - Background in consumer electronics Please provide samples of previous work and relevant experience.
...quando códigos estiverem ilegíveis 3. Definição de Componentes Modernos (BOM) Seleção de equivalentes atuais com disponibilidade no mercado Consolidação de BOM preliminar Preferência por componentes PTH quando aplicável Critério técnico de equivalência (tensão, corrente, dissipação, tolerância, etc.) 4. Criação do Esquemático Modernizado Recriação completa em ferramenta de CAD eletrônico (Altium, KiCad, OrCAD ou similar) Manutenção da topologia original Respeito às polaridades, orientações e pinagens Possível validação por simulação (diferencial desej...
I already have the full schematic ...support the link. • A guided tour of the PCB layout that shows where those signals travel—layer changes, vias, ground references, decoupling, and any routing choices that affect integrity or noise. • Simple notes on any supporting circuitry (power rails, oscillators, reset circuits) only as they influence that communication channel. I will send you the schematic PDF and the PCB project files (Altium and Gerbers). You may annotate screenshots, write an explanatory report, or record a short voice-over video—whichever medium lets you convey the information most clearly. Please be ready to start right away; I’m aiming to wrap this up ASAP. If anything in the files is unclear, flag it immediately so I can supply e...
...production - 3oz copper), and an accurate and documented simulation before production. Technical requirements to be met: • Maximum energy efficiency, component protection, and precision switching under load. • Integrated remote control, real-time monitoring, and an alarm system. • Proficiency with the ESP32 IDE for firmware development. • Use of "best-in-class" design and simulation software: Altium Designer, KiCad, or another platform that ensures thermal analysis, signal integrity verification, and credible power simulations. Expected Deliverables - Final schematics with optimized bill of materials. - Production-ready PCB layout (JLCPCB, Gerber, pick-and-place, stack-up). - Simulation reports (thermal, current, transients). - Working ESP32 firmw...
I already have the full schematic ...support the link. • A guided tour of the PCB layout that shows where those signals travel—layer changes, vias, ground references, decoupling, and any routing choices that affect integrity or noise. • Simple notes on any supporting circuitry (power rails, oscillators, reset circuits) only as they influence that communication channel. I will send you the schematic PDF and the PCB project files (Altium and Gerbers). You may annotate screenshots, write an explanatory report, or record a short voice-over video—whichever medium lets you convey the information most clearly. Please be ready to start right away; I’m aiming to wrap this up ASAP. If anything in the files is unclear, flag it immediately so I can supply e...
...della produzione. Requisiti tecnici da rispettare • Massima efficienza energetica, protezione dei componenti e precisione nella commutazione sotto carico. • Funzioni integrate di controllo remoto, monitoraggio in tempo reale e sistema di allarme. • Padronanza di IDE ESP32 per lo sviluppo del firmware. • Utilizzo di software di progettazione e simulazione “migliore” rispetto allo scopo: Altium Designer, KiCad, o altra piattaforma che garantisca analisi termica, verifica dell’integrità del segnale e simulazioni di potenza credibili. Deliverable attesi - Schematici definitivi con distinta base ottimizzata. - Layout PCB pronto alla produzione JLCPCB (Gerber, pick-and-place, stack-up). - Report di simulazione (termica, cor...
I need a compact, reliable flex-PCB designed for an industrial setting that is subject to continuous high-vibration, ambient temp extremes, and moisture. The board’s sole payload will be an embedded vision sensor; no microcontrollers or large passives are planned at this stage. My priority is to ens...ODB++, pick-and-place file and a concise BOM. • Simple 3D step model so I can verify fit inside the enclosure. • Design notes outlining any special handling or assembly recommendations. I’m happy to share datasheets and the enclosure model once we start. Please let me know your experience with flex designs that run near motors, pumps or other vibration sources, and the CAD tool you’ll use (Altium, KiCad, or similar). A quick turnaround is needed. A rapi...
...that will sit at the heart of a new vital-signs monitor. The PCB must reliably acquire and process heart rate, blood pressure, and respiratory rate signals, then pass the data to a microcontroller for further analysis and display. Here’s what I need from you: • Complete schematic capture based on my sensor and MCU selections • Four-layer board layout optimized for low-noise biomedical signals (Altium or KiCad preferred) • Manufacture-ready Gerber files, pick-and-place data, and a clearly structured BOM with medical-grade component choices • Design reviews at schematic and pre-release layout stages so we can make sure the board meets IEC 60601-1/-2 spacing, leakage, and isolation requirements • Brief design report outlining signal paths, gro...
I need a PCB designed specifically for a one-off project; it is not part of a commercial product line, so flexibility and creativity are welcome. The board will carry only analog circuitry—no digital sections—centred around operational amplifiers and a small signal-processing stage I wil...two-layer construction unless you advise otherwise for noise reasons. Acceptance will be based on: • DRC-clean files that import into JLCPCB’s viewer without error • Component spacing that meets the datasheet recommendations I provide • Clearly labelled test points for every op-amp stage • Turnaround of first draft within five days after you receive the schematic If you usually work in Altium, KiCad, or Eagle that’s perfect—just let m...
...Power comes from the standard track pickups (nominal 14–18 V DC), so include an efficient buck or LDO to feed the microcontroller and reed circuitry. I haven’t locked the MCU yet; pick anything small, inexpensive, and easy to program—ATmega, STM32, ESP32, or similar—so long as it supports a simple bootloader I can reach over USB-C. Deliverables • Schematic • PCB layout and Gerbers (KiCad or Altium) • Drill files, pick-and-place, and full BOM with distributor part numbers • Minimal firmware that recognises reed input, stores/changes up to 20 IDs, and shows how to reflash through the USB-C port • Brief build and programming guide Acceptance criteria: design passes DRC; USB-C enumerates and lets me update firmware; ID se...
I’ve drafted a single-layer board in Altium Designer and now need a seasoned set of eyes to run thorough simulations before I commit to building the first prototype. Your task is to import my project, verify the stack-up and component models, and perform all relevant electrical, thermal, and rule-check simulations available in Altium. Key goals • Confirm that signal integrity and power distribution meet design intent. • Flag any DRC or manufacturing issues early so I can correct them before fabrication. • Produce a concise simulation report summarizing the tests run, key plots or screenshots, and your recommendations. Deliverables 1. Updated Altium project files with all simulation settings preserved. 2. PDF or DOC report of findings an...
...test guidelines. The radio link is the heart of the design, so careful RF layout, antenna matching, and regulatory-compliant power levels are essential. Bluetooth LE is my preferred protocol, though I am open to Wi-Fi or other 2.4 GHz solutions if you can demonstrate lower cost or better battery life without sacrificing performance. Please plan on: • Delivering editable design files in Altium, KiCad, or Eagle, plus PDFs for quick review • Calling out any critical components with long lead times and proposing substitutes where sensible • Providing a brief validation report that confirms range, data throughput, and current consumption match the datasheet targets If you have existing wireless reference designs for consumer gadgets, that will speed thing...
...The job covers completing the layout, running the electrical rule checks, and preparing Gerbers, drill files, and a concise BOM so the board can move straight into fabrication. I can supply preliminary component selections and the mechanical outline; you’ll refine placement, optimize the trace routing for low noise in a 12 V environment, and double-check manufacturability. Your familiarity with Altium Designer, KiCad, or Eagle is welcome—just let me know which platform you prefer. Once the files are ready, I’d like a quick DFM review together to confirm everything meets typical automotive derating guidelines. Deliverables: • Native design files and exported Gerbers/drill data • BOM with manufacturer part numbers • PDF schematic and assembly ...
Up! I can deliver a complete end-to-end solution covering PCB design, PIC firmware, and a Windows VB.NET interface for your compact electronics board. I have experience designing multilayer boards in Altium, developing efficient microcontroller firmware with low-power optimization, and building reliable PC tools for device configuration and data logging. You’ll receive a fabrication-ready hardware package, well-structured firmware with compiled HEX and flashing guide, and a user-friendly desktop utility that communicates over USB, streams live sensor data, and logs to CSV. I focus on clean design, power efficiency, and dependable communication between hardware and software. Ready to start as soon as you share the sensor list and mechanical constraints
...fleets. New campaigns only. Inspirations: • BUJ4A’s Undead Troops (skeletons/risen visuals): Nexus #9889 • Necromancer - BL1.3 (raise/bury mechanics) • The Old Realms (Warhammer undead: ghouls→zombies/draugr, wraiths, vampires→death knights) Technical Requirements: • Minimal Dependencies: Harmony (patching), BLSE/ButterLib/UIExtenderEx/MCM (UI/settings). No heavy overhauls. • Implementation: XML-heavy (troops/items/ships/spawns). Minimal C# DLL (necro hooks). MCM menu (raise chance 10-100%, horde limit 500-5000, keywords). • Performance: Optimized for 1000+ horde (compact Ctrl+N view, no party crashes). • Compatibility: 1.3.14+ War Sails verified. Vortex FOMOD installer. Deliverables: • Nexus-ready ZIP + insta...
...without a full redesign. What I expect from you: • Complete schematic, PCB layout and clean routing for the Nano, Wi-Fi module, particulate sensor, regulated power path (USB-5 V input and Li-ion option), plus an on-board antenna or footprint. • Clearly labelled break-outs for I²C, UART and an SPI port, and pads for an optional 0.96" OLED or similar display. • All design files (KiCad or Altium), Gerbers, drill files, a fabrication drawing and an annotated, supplier-ready BOM. • Brief design notes that explain component choices, antenna clearance, power-budget calculations and how to reconfigure the spare headers for future gas sensing. Once I confirm the board boots, connects to Wi-Fi and streams raw particulate data over MQTT, the job ...
...peak current around 3A, connected to board via JST-PH(2pin) • 2 mounting points (M3 size to allow M2.5 bolts) Here’s what I’m after: • Schematic and PCB layout for a low-noise, low-current driver that powers a small motor • Integrated minimalistic timer solution(NO computing, arduino, etc), hard-set to around 10-15 min on, 10-15 min off (possibly via oscillators?) • All source files (KiCad, Altium, or Eagle), ready-to-manufacture Gerbers, plus a clear BOM with part numbers and footprints • Basic assembly notes so I can hand-solder or outsource the build with confidence Please keep the board footprint reasonably small to sit under a typical desktop ornament base, and route for solid thermal and EMI behaviour so the spin stays smooth and s...
Hello , I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB hardware – Produce the schematic and multilayer layout in Altium Designer, include all libraries you create, and deliver the full manufacturing package (Gerbers, drill files, pick-and-place, and a PDF schematic). • MCU firmware – Write well-commented code in MikroBasic (or another PIC-friendly tool if you justify the switch). The firmware must read multiple sensors, exchange data through an efficient serial protocol, and use smart power-saving modes to stretch battery life. Please supply project files, compiled HEX, and a short flashing guide. • PC interface – Build a Windows utility...
I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB hardware – Produce the schematic and multilayer layout in Altium Designer, include all libraries you create, and deliver the full manufacturing package (Gerbers, drill files, pick-and-place, and a PDF schematic). • MCU firmware – Write well-commented code in MikroBasic (or another PIC-friendly tool if you justify the switch). The firmware must read multiple sensors, exchange data through an efficient serial protocol, and use smart power-saving modes to stretch battery life. Please supply project files, compiled HEX, and a short flashing guide. • PC interface – Build a Windows utility in ...
...will own the full electrical design flow—topology selection, key-component sizing, magnetics specification, control strategy, and all supporting calculations. I expect LTspice or an equivalent simulation environment to demonstrate stability, transient response, and efficiency before we move on to hardware. Once the numbers look solid, translate the schematic into a compact, manufacturable PCB (Altium, KiCad, or similar) and supply clean Gerbers. Deliverables • Schematic with clearly marked values and reference designators • Simulation files and plots confirming 165 V DC ±2 % regulation, ≤2 % ripple, and >90 % peak efficiency at nominal load • PCB layout (source files and Gerbers) engineered for low EMI and safe creepage/clearance • Ti...
Necesito integrar cancelación de ruido activa (ANC) en mis protectores auditivos 3M PELTOR X2, pensados para un entorno industrial. El objetivo es que el nivel de ANC pueda regularse mediante un control manual fácilmente accesible en el propio casco y que todo el sistema funcione con ba...garantizando que el peso extra y el sellado acústico se mantengan dentro de los estándares de seguridad industrial. • Entregar documentación completa: diagrama, lista de componentes, firmware (si aplica) e instrucciones de montaje para réplica o mantenimiento futuro. Valoraré experiencia previa con diseños compactos, filtros activos y gestión de baterías Li-ion/Li-po. Si dominas herramientas como Altium, KiCad o similares...
I’m expanding our field team and need on-site technicians who can rack, cable, and turn up routers, switches, and firewalls across the UAE, Bahrain, Saudi Arabia, most African nations, and a wide stretch of Eastern Europe—including Poland, Hungary, the Czech Republic, Greece, Slovakia, Slovenia, Croatia, Bulgaria, Romania, and Turkey. Most of the gear you’ll see is Cisco—Catalyst, Nexus, Meraki—as well as Aruba, Lanner, and the occasional white-label device. Jobs range from a single cabinet in an office to multi-rack deployments in Tier III data centers or rugged industrial plants. You’ll work with my remote engineering team over Webex or Teams while you handle the physical layer: unboxing, rack & stack, structured cabling, console access, in...
I need a compact, two-layer PCB whose sole job is to host an IR proximity sensor on one side and a WS2812-compatible LED visible on the reve...reverse side of the IR proximity sensor, so either should be mounted on the reverse or use a reverse-mounted LED • Board should be as small as feasible but still be easy to manufacture. If needed the design could incorporate several copies of the design which can then be split up. Please design the schematic, route the board, and supply production-ready files. Deliverables • Schematic in KiCad, Altium, or Eagle (your choice) • PCB layout files and Gerbers • BOM with manufacturer part numbers • Assembly drawing with component designators The board should be small, follow basic EMC practices, and be ready...
Ich habe bereits einen funktionstüchtigen Prototypen auf Basis eines ESP32-WROOM-32 aufgebaut, sto...Flash-Anleitung, Hardware-Dossier, damit spätere Stückzahlfertigung problemlos klappt. Ich arbeite gern iterativ: kurze Sprints, getestete Teilergebnisse, Feedbackschleifen. Wenn du Erfahrung mit ESP32, LoRa, Niedervolt-Heizelementen und robustem Akkumanagement mitbringst, melde dich bitte mit • kurzem Portfolio ähnlicher IoT- oder Rettungstechnik-Projekte, • deinem bevorzugten Workflow (KiCad, Altium, PlatformIO, Hauptzächlich nutze ich jedoch Fusion360.), • einer groben Aufwandsschätzung für die oben genannten Pakete. Ich freue mich darauf, gemeinsam ein praxistaugliches Trainingssystem auf die ...
...impedance and length-matching rules for both the EDP and CSI-2 differential pairs. Please keep the stack-up simple enough for standard 4-layer manufacturing while still meeting the 100 Ω/90 Ω requirements. To speed integration on my side I also need the power-tree designed, the necessary reference clocks routed, and all test points clearly labelled for differential probing. Deliverables: • Altium (or KiCad) schematic and PCB layout files • Gerbers, drill files, IPC-2581 and pick-and-place output • Complete BOM with at least one readily available supplier option per part • Brief design note summarising impedance calculations and any layout constraints I should be aware of Once I review the final files and they pass a quick ERC/DRC on my e...
I need good electronics engineer to help me capture schematics in Altium from a reference design, I will provide you BoM and PDF I need Altium schema files without footprints Most components are available on vault so you need to just put them and create symbols for components rarely must have Altium license with vault access Can use altium manufacturer part search and BoM management is available to do complete project in 5 days Indian (Please no Pakis & Bangladeshi) Can provide regular updates on work progress
...audio driver board that runs from a single 5 V input and generates ±12 V rails internally. There are no fixed dimensions, so you can choose whatever outline best supports clean signal paths and sensible power-ground separation. The only mandatory hardware interface is XLR—please keep the footprint orientation practical for panel mounting. Preferred deliverables • Editable design files in KiCad, Altium,—or another mainstream tool that supports Gerber export • Gerber, drill, pick-and-place, and centroid files ready for fabrication • A brief layout note highlighting impedance-critical traces, ground strategy, and any special considerations you took for minimizing noise I will review the first pass for fit and signal integrity, then we can ite...
...and matching networks should be implemented for both antennas. Ensure antenna isolation, ground clearance, and tuning for optimal LTE and GPS signal performance. Include antenna layout guidelines, keep-out zones, and tuning/matching documentation as part of the deliverables. The complete design must fit within a maximum PCB size of 4 cm × 3 cm. --- Deliverables: Complete schematic design (Altium / KiCad / OrCAD preferred) PCB layout and Gerber files ready for fabrication Antenna layout and tuning documentation Bill of Materials (BOM) with part numbers and footprints 3D PCB model for mechanical reference and fitting --- Additional Notes: Use SMD components wherever possible to maintain compactness. Design should be production-ready, cost-effective, and opti...
Assalam o alaikum, I a...am looking for electrical engineers having expertise in following areas: 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. Actually I have multiple projects in different domains of electrical engineering and I already have a team of engineers working on them but due to workload I am looking for few more engineers to be a part of my team and work with us on regular basis.
...Engineer to design and build a proprietary "Valuation Engine." This system will take a VIN and Zip Code, calculate a guaranteed offer in real-time by pulling from multiple data sources (Scrap/Wholesale/Retail), and push the lead data into our GoHighLevel (GHL) CRM. Scope of Work: Valuation Engine: Build the logic for a multi-tiered pricing model. Tier 1: Scrap floor via real-time commodity APIs (Nexus/Metals-API). Tier 2: Wholesale data via Black Book or Manheim (MMR) APIs. Tier 3: Custom "Heat Map" multipliers for specific regions/models. GHL Architecture: Create a deep integration via GHL API v2 to handle lead tagging, instant SMS triggers, and title photo uploads. Database Management: Implement a database to track all historical quotes and auction ou...
...into hands-on circuit design, MATLAB/Simulink modelling, and clear, publication-ready report writing. Day-to-day work will range from breadboard-level prototyping to full simulation and verification, so the stronger your foundations in analogue and digital design the better. The tasks you’ll tackle typically start with a concept sketched in Proteus or Multisim, move into schematic and PCB work in Altium, and finish on the bench or in a virtual lab via LabVIEW or TinkerCAD. Microcontroller and embedded targets rotate between Arduino-based boards, Raspberry Pi modules, and mid-range FPGAs, so comfort switching among those platforms is essential. Core expectations • Design or refine circuits and document the rationale behind every component choice • Build and v...
...familiarity with their pinouts, signalling levels, and power budgets is essential. You’ll start by translating my functional requirements into clear schematics, then handle the full PCB layout, component selection, and DFM checks. I expect well-organised source files plus manufacturing outputs—Gerbers, drill files, pick-and-place, and an accurate BOM—with every revision traceable. If you prefer Altium, KiCad, Eagle, or OrCAD that’s fine; just let me know which environment you’ll use so I can open the files on my end. Because these boards may evolve from simple prototypes to multilayer production runs, please be comfortable optimising trace impedance, managing signal integrity for high-speed lines, and working within typical local fabrication co...
Firmware for Altium based PCB Firmware for Altium based PCB
...has step sweep formula Long-term frequency stability, minimal harmonic content, and ultra-low power consumption are critical. Feel free to use discrete components, a low-power MCU with DAC, a numerically controlled oscillator, or any other architecture that can hit the spec while staying inside the tight footprint and power envelope. Deliverables • Complete schematic and PCB layout (KiCad, Altium, or Eagle) • Gerbers and pick-and-place files ready for fabrication • BOM with currently available parts • Any firmware or configuration files required, with build instructions • Brief validation (simulation plots or bench data) showing frequency accuracy and projected battery life If you need additional details on the antenna coupling or acceptab...
...remains perceptually seamless. Inside the enclosure, you can split the path however you wish—purely analog front ends feeding ADCs, DSP blocks, then DACs and analog output buffers—so long as the final architecture stays true to the mixed-signal brief. What I expect from you • Complete schematics with component choices that are currently purchasable • A compact, manufacturable PCB layout (Altium, KiCad, or similar) • Embedded firmware that handles Bluetooth pairing, eight-channel packet framing, error checking, and configurable sample rates • A brief test routine or GUI so I can fire up all channels, sweep frequencies, and verify that the ±3 dB bandwidth spans audio to MHz • Clear assembly, flashing, and calibration docs so ...
RF Antenna PCB Design with Altium software and delivery the gerber file also 2 pdf file
...or solid-state parts, whichever you feel balances cost, size, and reliability best • LED indicators on every relay, surge protection on the mains side, and front-panel manual-override buttons • Compact routing, clear creepage/clearance on high-voltage nets, and component choices that keep the final BOM cost low for local sourcing Deliverables • Complete schematic and layered PCB layout (Altium, KiCad, or Eagle) • Gerbers, pick-and-place, and fabrication drawings ready for a board house in India • Optimised BOM with local part numbers and alternates • Brief compliance notes showing how minimum safety distances and fusing have been achieved • One revision round after I review the first release If you have shipped ESP32 or high-volt...
I already have a fully functioning ESP32-based sensor board in production, but the next revision needs to be tou...special sourcing considerations. To keep everything concrete, here’s what I expect to receive: • Updated schematic, PCB layout and Gerber/ODB++ files • Revised BOM highlighting any new protection parts • Test plan covering functionality and environmental scenarios, with pass/fail criteria • CE-focused design notes (creepage, clearance, lab pre-scan guidance) I’ll provide the current design in Altium along with firmware and reference measurements as soon as we kick off. If you normally work in KiCad or another tool, just confirm you can import/export cleanly. Looking forward to seeing how you’d harden the board while keeping our ...
...revision request. Core circuitry includes a microcontroller at the heart, a collection of digital and analog sensors, Wi-Fi & Bluetooth modules, a microphone, speaker, relay, display interface, GUI memory and associated logic. Please route with proper impedance control, isolation for the RF section, and attention to audio trace integrity so that EMI is kept to a minimum. Deliverables • Full Altium, KiCad or Eagle design files (your choice) • Gerber, drill, pick-and-place and BOM ready for turnkey assembly • Layer stack-up, controlled-impedance notes and design rule set used • Manufacturer’s pre-check report showing the board passes fabrication and assembly requirements I will provide the schematic, component libraries and mechanical outl...
...documentation for handover and future revisions. Deliverables / Milestones: 1. Milestone 1 – System Architecture & Design Freeze (10 days): - System block diagram, MCU/SoC selection with justification, storage interface definition, power budget & thermal assumptions, preliminary BOM with cost estimates, key risks & assumptions. 2. Milestone 2 – Schematic Design + PCB Layout (14 days): - Complete Altium schematic and PCB layout, ERC/DRC-clean design, stack-up and impedance details, manufacturing files (Gerber, PnP, BOM), design notes (PDF + native files). 3. Milestone 2-Extension – Prototype Fabrication Support: - Manufacturer Q&A support, assembly file verification, footprint/polarity confirmation. 4. Milestone 5 – Integration ...
...interface—no radios or extra frills—so the design can stay compact and cost-effective. Here’s what I’ll hand over after NDA: a schematic, mechanical envelope, and desired connector locations. From there I’m looking for you to complete the full hardware package: schematic capture, PCB layout, clear routing around the encoder channels, and all manufacturing outputs. Deliverables • Source files from Altium Designer, KiCad, OrCAD, or Eagle (your choice) • Gerber, drill, and pick-and-place files ready for JLCPCB fabrication • Full BOM with current component links and pricing • Short design note outlining debounce, filtering, and any EMI shielding you applied around the rotary encoder traces Acceptance criteria 1. Rotary ...
Freelance Hardware Engineer – Altium PCB Design Review (Remote Access) We have an existing Pulse Converter PCB designed using Altium Designer and are looking for an experienced freelance hardware / PCB design engineer to perform a technical design review. The work will be done via remote access to our computer (AnyDesk / TeamViewer). Design files will not be shared. Detailed circuit functionality and design context will be explained after mutual agreement and confidentiality alignment. Scope of Work: Review the schematic and PCB layout in Altium Designer and identify potential design issues, risks, and improvement points, including but not limited to: Power input and regulation (wide-range DC input) Relay driver circuits Optocoupler-based pulse input circui...
...V–3.3 V. I need a compact conditioning stage that: • shifts the bipolar signal so it NEVER dips below ground or exceeds 3.3 V • offers a user-selectable gain from unity to about ×10 without degrading audio quality • runs happily from the 5 V rail already present in the system (I’m open to clever alternatives if there is a clear advantage) Please deliver a clean, production-ready schematic (Altium, KiCad or PDF) together with simulation proof—LTspice, TINA-TI, Multisim or similar—that demonstrates headroom, distortion figures and clipping behaviour across the full gain range. Include any biasing networks, protection components, and the op-amp you recommend; rail-to-rail devices are welcome but not mandatory as long as the performa...
I need a complete PCB solution for a three-way passive audio crossover. The board must accommodate inductor...drill files, pick-and-place data and a clear silk legend—and a BOM with part numbers that are available from major suppliers. • Arrange or guide a short prototype run so I receive finished boards I can test in my speaker cabinet. I’m flexible on board size and connector style; propose what you think works best for typical home-audio crossovers and I’ll confirm. If you regularly use KiCad, Altium, EasyEDA or a similar mainstream package, that’s perfect—just send me the editable project along with the exports. Deliverables will be approved once the boards pass a simple frequency-sweep test showing clean separation of high, mid and low b...
...architecture through to production-ready files. I’ll provide the functional block diagram and performance targets; you translate that into a routed, manufacturable PCB with a validated component stack. Signal-integrity considerations around the LPDDR4 lanes and high-speed ARM bus are critical, as is ensuring the I/O section can tolerate the electrical noise typical of factory floors. Deliverables • Altium (or KiCad) schematic and PCB layout files • Complete, part-numbered BOM with sourcing notes • Gerbers, pick-and-place, and assembly drawings ready for fabrication • Basic bring-up test plan confirming processor boot, memory stability, and I/O port operation I value clear revision milestones, concise documentation, and proactive DFM feedbac...
...sensing operated near a noisy load (motors, switching power, etc.). At schematic level, how would you protect ADC stability for Hall sensors near a force-feedback motor? Under what conditions would you move from a 4-layer to a 6-layer PCB for this device? Which STM32 family would you shortlist and why? Confirm you understand that Phase 1 explicitly excludes PCB layout and firmware. Tools Altium or KiCad are acceptable Full source files must be delivered Final Note: This project values discipline and engineering judgment over speed. If you enjoy building robust, well-architected hardware that survives real-world electrical noise, we’d like to hear from you....
