PCB Design and Layout Jobs

I maintain a fleet of mission-critical electronic control boards that must run flawlessly around the clock. Although the hardware is operational, I want to squeeze every last drop of performance out of it and harden the supporting security stack. Your focus will be on two fronts that matter most right now: • Bench-testing the optocouplers and comparators on the boards, then fine-tuning or replacing any part that introduces noise, latency, or inconsistent thresholds. RS-485 paths are already stable, so your insights should drill straight into these analogue front-end components. • Re-creating my SOC lab scenarios, walking through the logs, alerts, and incident chains, and flagging bottlenecks or mis-tuned rules that slow response time. Packet captures, SIEM exports, and a fu...

I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electronics onto one compact board. The board must integrate: • Microcontroller • DC-DC converter • LDO regulator • IMU • Operational Amplifiers • JTAG header • All required connectors for power, sensors, and external actuators Scope of work 1. Schematic capture with component selection that balances size, efficiency, and heat dissipation. 2. PCB layout optimized for a tight wearable form factor—minimal footprint, clear signal integrity, and robust grounding. 3. Generation of manufacturing deliverables: Gerber files, assembly drawings, pick-and-place files, and a complete BOM. 4. Design review iteration to address any EMI/EMC or routing fe...

I already have the full Bill of Materials and a set of clear reference photos; what I still need is a production-ready PCB layout that ties everything together. Your task is to handle both the component placement and the complete routing of a balanced 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 re...

We are developing an AI-based Automated PCB Inspection System and are currently working with a large set of assembled PCBs that are already fabricated and available at the QC-ready stage. We are looking for a seasoned PCB inspection and assembly expert to perform structured technical verification and visual quality assessment of these boards. The PCBs under review are high-reliability, multi-layer assemblies (4 to 28 layers) with dense routing and mixed component technologies (SMT + through-hole). Board sizes range from 50 × 50 mm up to 500 × 500 mm, across ~400 PCB variants. The main help required is two-fold: 1️⃣ Component Verification Against BOM Identify and verify every mounted component against the provided BOM Check part number, package, footprint, polarity, and ori...

A NRF52 based low power consumption BLE tag with 4G and GPS capabilities. Features: Microcontroller: NRF52, any GPS + 4G module operable in south america Power Supply: Lithium-ion Battery (600mAh+, auto-switching) Communication: Bluetooth + GPS + 4G Additional Components: RGB LED and Buzzer Reprogramming Method: SWD The board must consume the absolute minimum power (~10uA) until GPS + 4G is enabled via software.

45w Intelligent dual port charger

I'm looking for a skilled electronics engineer to design a small circuit board for a home appliance. Requirements: - Use a 0.05 hp motor - 12V 600DC connector - Incorporate a push button switch - Add LED indicator - Include speed control functionality Ideal Skills and Experience: - Experience with circuit board design - Familiarity with motor control and home appliance electronics - Proficient in integrating LEDs and speed control mechanisms Please provide relevant experience and examples of similar work.

I already have a fully functioning ESP32-based sensor board in production, but the next revision needs to be tougher, safer and ready for the European market. Your task is to take my existing schematic and layout files, integrate solid over-voltage, ESD and short-circuit protection, and hand back a design that can pass CE. Beyond the circuitry changes, I also need a clear plan for functionality and environmental testing. Tell me how you’ll prove the new protections work, outline any test fixtures you expect to build, and call out components that may have long lead times or 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...

PCB Technical Blog Writing Guidelines Each week I publish in-depth, EEAT-driven articles that demystify printed-circuit-board design and manufacturing for an audience of intermediate professionals. The primary goal is to educate—every post must read like it was penned by someone who has actually laid out boards, debugged traces, and wrestled with impedance calculations, not by a generic content mill. Scope of work You will draft original how-to guides that walk readers through real engineering challenges (e.g., stack-up selection, thermal relief strategies, DDR routing tips). Practical detail and accurate terminology are essential; surface-level summaries or re-hashed competitor pieces won’t be accepted. Quality standards • EEAT: demonstrate personal experience, cite au...

I’m building a dedicated controller board for an industrial-grade machine and need a complete motherboard design that brings together three essentials: an ARM processor at its core, LPDDR4 memory for fast, low-power operation, and a practical mix of input/output ports for real-time control and peripheral expansion. The job runs from 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 la...

Je souhaite développer un système embarqué destiné à l’automatisation domestique. L’objectif est de concevoir une carte compacte capable de dialoguer, via des modules de communication sans fil, avec divers capteurs et actionneurs déjà présents dans la maison ou ajoutés ultérieurement. Le travail inclut la phase matérielle (schéma et PCB), le développement du firmware et les tests de communication. Les protocoles sans fil à privilégier (Wi-Fi, Bluetooth Low Energy, Zigbee, etc.) pourront être définis selon la portée, la consommation et l’interopérabilité requises. Livrables attendus : • Schéma électronique complet e...

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 baterías recargables para evitar el uso de pilas desechables. Busco a alguien con sólida experiencia en electrónica de audio que pueda: • Diseñar el esquema electrónico y la PCB necesaria para añadir micrófonos, etapa de procesamiento y amplificación. • Incorporar un potenciómetro o selector físico que permita subir o bajar la intensidad de cancelación. • Prototipar y probar el sistema directamente so...

Ho bisogno di una scheda elettronica su misura che gestisca esclusivamente sensori di movimento installati all’interno di un espositore. L’applicazione è quindi indoor: vorrei un circuito compatto, a basso consumo e in grado di dialogare in modo stabile con i sensori IR/PIR (o tecnologia analoga, se più indicata). Oltre al dimensionamento elettrico, mi interessa che vengano previsti i connettori giusti per un cablaggio rapido dentro la struttura espositiva e che l’alimentazione sia compatibile con i 5-12 V già presenti nello stand. Non ho vincoli sul microcontrollore: va bene qualsiasi soluzione diffusa e facilmente reperibile, purché la programmazione sia semplice da aggiornare in caso di future modifiche logiche. Deliverable richiesti &bu...