Conception et disposition de PCB Jobs

I own an original KeyMouse Track, now discontinued, and would like to bring it back to life. Reference product: Intended production size: Only for personal use at this point. However, where possible and cost-effective, design decisions should consider future scalability to larger production runs. Available artifacts: - STL Files (I don't know whether these files are suitable for manufacturing, or some earlier draft): - Assembly instructions: - Original PCB which can be purchased: - Track ball sensor module image and description: - Custom-made wrist extension CAD files: Deliverables: - Deliver cleaned and validated STL files suitable for reliably producing a functioning unit via 3D printing. with the external wrist extension integrated - Full reverse engineering into par...

I’m developing a compact data-acquisition module and need a local electronics engineer in Austin who can take the mixed-signal front-end from concept to ready-to-fab documentation. The heart of the job is a clean, low-noise analog section feeding a high-resolution ADC, with the digital side handling basic buffering and a simple SPI or I²C hand-off to my existing microcontroller board. We’ll meet in person for the initial requirements review and again when hardware is on the bench so rapid tweaks are possible. I already have rough performance targets—sampling at 1Hz, 12–16-bit resolution, and a 12V single-rail supply—but I’m looking for your guidance on component selection, input protection, and clocking strategy to hit those numbers without over-en...

Project Objective: Develop a 100% functional, industrial-ready prototype of a wearable holographic smartphone (bracelet). The goal is high-end performance (Mid-range Samsung level) with zero wasted costs on software licenses. I need a perfect balance between high-quality optics and cost-optimized hardware. ​Core Hardware & Memory: ​Processor: RK3566 (Optimized for performance/thermal balance). ​Memory: 8 GB RAM and 128 GB Storage (Must be fast and reliable). ​Holographic Engine: Hybrid Laser/Optical system with Japanese DCRA plates. Target: Sharp 6-inch floating image at 15cm distance. ​Sensors: Full sensor suite (Ambient Light, Proximity, GPS, Gyroscope) for a 100% smartphone experience. ​Zero Extra Costs & Quality Optimization: ​Software: Use Open Source Android (AOSP) + Google S...

I need a complete, production-ready design for a 100 W LED luminaire that will serve as the main light source in a living-room setting while still being robust enough for occasional outdoor use. The fixture must deliver high lumen output with excellent efficacy, maintain color stability over time, and integrate smoothly with common smart-home ecosystems (Wi-Fi, Zigbee, or similar). Scope of work • Component selection: high-efficiency LED array, constant-current driver, thermal interface materials, optics, housing, and an IP-rated enclosure or coating suitable for indoor/outdoor crossover use. • Electrical design: full schematic and PCB layout for the LED driver, MCU or smart-control module, surge and polarity protection, and any required EMC filtering. • Thermal manag...

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Project Overview We are building a V1 industrial ESP32-S3 pulse controller for self-service car wash and vacuum stations. The device receives paid commands from a backend (MQTTS/HTTPS), and generates deterministic “coin pulses” into existing industrial controllers. This is not a hobby prototype. It is a field-deployed V1 pilot that must remain stable for years in harsh environments. Operating Environment • Outdoor installation (freeze/heat cycles) • Electrical noise: motors, pumps, inductive loads, relays/contactors • Expected ambient: −30°C to +40°C (design margin required) • Inside sealed IP enclosure can rise due to self-heating (design for up to ~+70°C internal with reasonable margin) • Humidity / condensation risk (design ...

I'm looking for an experienced robotic engineer to design a fully autonomous indoor robot. The primary function of the robot is yet to be determined, but it could involve household tasks, industrial automation, or entertainment. Key requirements: - Design for fully autonomous operation - Suitable for indoor environments Ideal skills: - Robotics design and engineering - Expertise in AI and automation - Experience with indoor navigation systems Please share your relevant experience and approach to this project.

I’m in the concept stage of a passion project: putting full-featured 5G with Band 71 support into a nostalgic flip or slider body. Before investing in boards, antennas, and tooling, I’d like an expert sounding board to walk me through the real-world hurdles and options. During a Zoom session I want to cover: • Viability of matching modern 5G RF, especially Band 71, to the tight clearances of classic flip/slider housings • Recommended donor shells or new-tooling approaches—I’m wide open to suggestions • Strategies for long battery life without bloating the form factor • PCB layout, antenna placement, thermal concerns, and component sourcing • Certification path (FCC, PTCRB), estimated costs, and realistic timelines toward a first pr...

I need targeted maintenance on my Jipsn board. The job is strictly maintenance-related: I already have the board running, but several onboard components are outdated and must be replaced or upgraded. This falls under “Other” maintenance rather than routine software updates or straightforward hardware repairs. Your task centres on updating those components, ensuring each replacement is fully compatible, installed cleanly, and tested so the board powers up and performs exactly as before—or better. Deliverables • Audit the current component list and identify all outdated parts • Source or specify equivalent, up-to-date replacements • Swap the components on the board with clean, high-quality soldering or fitting • Perform post-update functional tes...