Elektroninen suunnittelu Jobs

I need a double-sided, plated-through-hole PCB for a scientific-industry device. The finished board must fit within 100 mm × 100 mm and be delivered as a complete Altium Designer project. Here is what I will provide once we start: the schematic, mechanical outline, and any component datasheets that are not already in common libraries have a Physical PCB board With Simple Design ( Round Cut PCB size 70 x 70 mm ). Your task is to translate that data into a clean, manufacturable board, route all signals with proper clearances, and prepare fabrication outputs. Deliverables • Altium .PrjPcb with all libraries embedded • Gerber X2, drill and pick-and-place files, ready for immediate fabrication • PDF plots (schematic and PCB) for quick review Acceptance criter...

Project Description: I'm building a compact, consumer-grade handheld device that hosts multiple ARM processors and modules on a single 4-layer board. The design must accommodate a high-speed USB hub, balanced power distribution, and impeccable signal integrity without exceeding the layer budget. Components to Integrate: Component Details Interface Luckfox Lyra Zero W ARM Cortex-A7 Linux SBC (65×30mm, 40-pin header) Direct solder or socket Teensy 4.1 ARM Cortex-M7 @600MHz audio DSP (61×18mm) 2.54mm headers SL2.1A USB Hub IC 4-port USB 2.0 hub Surface mount XIAO ESP32S3 LoRa module (21×18mm) 1.27mm headers STM32WB55 Module Dual-core ARM Cortex-M4/M0+ (Flipper brain) 8-pin header PyBoard v1.1 ARM Cortex-M4 backup controller 6-pin header GPS Module NEO-6M/8M 4-pin heade...

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Projeto: Engenharia Reversa de Placa Eletrônica Legada Descrição do Projeto Busco profissional com experiência comprovada em eletrônica para realizar engenharia reversa completa de uma placa eletrônica legada, com o objetivo de: Reproduzir fielmente o funcionamento elétrico original Modernizar componentes obsoletos Gerar documentação técnica completa e atualizada Garantir compatibilidade mecânica, elétrica e funcional com o equipamento original O projeto seguirá um procedimento técnico estruturado já definido internamente Escopo do Trabalho O profissional deverá executar as seguintes etapas: 1. Análise e Correlação do Esquemático Verificaç&...

Multi-Arduino Industrial Control System Development (Isolated Communication + Analog + Digital I/O) Project Overview We are developing a modular measurement instrument based on multiple interconnected Arduino boards. Each Arduino handles a dedicated subsystem (UI, motor control, pH control, temperature control) coordinated by a Master Arduino. We require an experienced embedded systems freelancer to: • Design robust firmware architecture • Implement reliable inter-Arduino communication • Ensure electrical isolation to prevent analog noise/crosstalk • Optimize motor control, sensor acquisition, and closed-loop control • Deliver clean, documented, production-ready code • All components should be easily sourced in India This is not a beginner Arduino project &md...

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,...