Multilayer perceptron jobs
...provide • schematic of closely similar product, and datasheets for the preferred AC/DC converter, cellular module, and GPS receiver. • Mechanical outline, enclosure constraints, and notes on clearances required by AS/NZS mains-safety standards. Your task • Update the schematic to incorporate the new components and add missing features (USB, GPS, Modbus, battery socket, RTC). • Lay out a multilayer PCB that respects creepage/clearance for 240 V AC, relay spacing, and antenna keep-outs. • Generate manufacturing files (Gerbers, pick-and-place, assembly drawings) and a clean BOM with alternates. • Deliver ready-to-flash test firmware that confirms power-up, relay switching, current sensing, cellular registration, Wi-Fi/Ethernet link, GPS lo...
...complete high-frequency RF PCB laid out in KiCad for a signal-processing application. The board must integrate antennas directly on the substrate; no filters or discrete amplifiers are planned at this stage, so every trace, via, and ground return has to be optimized for clean, low-loss feed to the antenna structure. Scope • Translate my existing schematic (KiCad format) into a production-ready multilayer layout. • Model and route all RF paths with controlled impedance, proper stack-up definition, and tight clearance to meet high-frequency performance targets. • Design and tune the on-board antenna geometry, matching network, and keep-out regions inside KiCad’s PCB editor and 3D viewer. • Run DRC, ERC, and any KiCad integrated RF simulation tools...
...current-sense shunt sizing, MOSFET SOA calculations). Mechanical expectations All magnetics, heatsinking, and component heights must stay inside the 10 × 20 cm PCB outline while allowing airflow and conformal coating for outdoor exposure. Deliverables 1. Full schematic with design notes explaining part selection, especially power devices, magnetics, and protection circuitry 2. Optimised multilayer PCB layout (Altium, KiCad, or Eagle) ready for Gerber/ODB++ release 3. Complete, cost-ed Bill of Materials with supplier MPNs and a short justification column for each critical part 4. Firmware (if a microcontroller handles PWM charging or display) with source code and commenting 5. Test plan covering efficiency, load regulation, protection trip points, and thermal p...
...component placement and most signal/power routing are already completed. The remaining work is focused mainly on RF layout finalization and production-readiness review. Required experience: Sub-GHz / LoRa RF PCB routing LTE RF layout GNSS RF layout 50-ohm controlled-impedance routing RF matching networks antenna feed layout ground return and stitching-via strategy RF keep-outs and isolation multilayer PCB stack-up EMI/EMC-aware layout KiCad The selected engineer will be required to review the existing PCB, complete/correct the RF sections and bring the board to fabrication-ready status. Expected deliverables include: completed RF routing impedance/layout review RF matching and grounding review final DRC review manufacturability review final production-ready PCB files Gerber...
...ourselves. We need a senior engineer (or firm) to take the hardware to production: Review and optimize the existing schematics Verify and strengthen protections (ESD, surge, EFT; galvanic isolation on RS-485; reverse-polarity/overcurrent) Optimize power management and consumption (seamless mains/battery switching, low-power modes, load-switching of peripherals, power budget per mode) Design the multilayer PCBs (Altium or KiCad) Prepare the boards for CE and FCC certification (using pre-certified RF modules) Deliver full manufacturing files (Gerbers, NC Drill, Pick-and-Place, production BOM with MPNs) Specify industrial terminal blocks, labeled test points, and full silkscreen Full scope in the attached document (English/Spanish). Required from candidates: Proven experience ta...
The project centres on a multi-layer PCB that will drive a forthcoming medical device and must operate cleanly across the 20 kHz – 3 MHz band. I already have the core schematic; what I need now is expert layout, stack-up definition, and routing that meet stringent RF EMI/EMC requirements so the board sails through pre-compliance testing. You will shape the layer stack, place and route all high-speed and analogue lines, define controlled-impedance traces, and plan return-path strategy to minimise emissions and susceptibility. Particular attention should be paid to: • Low-frequency RF front-end sections (20 kHz-3 MHz) • Isolation and creepage/clearance rules for medical-grade safety • Proper partitioning of analogue, digital, and power domains • Filter, shie...
...out. • Connectivity: Both WiFi and Bluetooth should run concurrently without external modules. • Functions to support: lighting up with LEDs, communicating with other devices, and tracking movements (likely IMU or optical flow—open to your proposal). What I need from you 1. Complete schematic in KiCad, Altium, or Eagle (your choice—exportable to Gerber). 2. 2-layer (or justified multilayer) PCB layout, routed for a circular form factor with clear mounting points for wheels and battery. 3. BOM with manufacturer part numbers and availability notes. 4. Power system: safe lithium battery charging circuit (USB-C preferred) and protection. 5. Design files ready for fabrication plus an assembly drawing that shows component placement and wheel int...
...single lightweight PCB. The engineer will be responsible for taking the hardware from requirements to a complete, manufacturing-ready PCB design, including component selection, system architecture, schematic design, PCB layout, and design-for-manufacturing. Key requirements: Strong embedded hardware and schematic design experience Experience designing STM32H7-based hardware Advanced multilayer PCB design using Altium Designer or KiCad Experience with GNSS/RTK integration, RF layout and EMI/noise management Strong BOM/component selection and DFM knowledge UAV/flight-controller hardware experience is highly preferred Expected deliverables: Complete system architecture, finalized BOM, schematic source files, PCB layout source files, Gerbers/ODB++, pick-and-place and...
...introduction to machine-learning foundations all the way to Convolutional Neural Networks. The explanations must stay at an advanced, graduate‐level depth, weaving statistical interpretation throughout and treating Multilayer Perceptrons and CNNs as the two main technical pillars. Key content milestones • Introductory context: supervised vs. unsupervised learning, bias–variance trade-off, probabilistic modelling fundamentals. • Deep-learning overview: representation learning rationale, overfitting counter-measures, optimisation nuances (SGD, Adam, scheduling). • Multilayer Perceptron deep dive: universal approximation theorem, activation-function choices, weight-initialisation strategies, regularisation mathematics. • Convolutional...
...backup power (supercapacitor or battery — to be decided) 2.5 Inputs / outputs (to be confirmed in the concept phase) 4× isolated digital inputs, tolerant of vehicle supply voltage 2× analogue inputs, 0–10 V or 4–20 mA 2× high-side switch outputs with diagnostics and short-circuit protection Status LED indication ESD / transient protection on every line leaving the enclosure 2.6 PCB construction Multilayer (likely 4 or 6 layers — to be decided, given the RF and EMC requirements) Industrial or automotive grade components (AEC-Q100 / Q200 where available), −40…+85 °C minimum Designed for automated assembly (SMD; minimal THT) Conformal coating accounted for — masks and keep-outs defined Board dimensions and mounting poi...
...experiments, sustained high-rate networking, 1080p60 camera capture and hardware encoding, hardware video decoding to HDMI, USB connectivity, Ethernet, and simultaneous UART communication. I would prefer someone with previous experience in at least some of the following: RK3566/RK3568, Linux application processors, DDR4/LPDDR4 routing, PCIe, MIPI CSI, HDMI, 5 GHz RF/Wi-Fi, or similar high-speed multilayer PCB designs. I will provide the detailed preferred BOM, exact LCSC part numbers, interface requirements, and additional design notes to people interested in taking on the project....
We're seeking an expert in space environment effects, electrodynamics, and systems engineering to collaborate o...Electronic Durability: Evaluating moiré-engineered graphene structures against cosmic radiation and particle bombardment for deep-space electronics. - Thermal & Mechanical Resilience: Leveraging graphene’s strength-to-weight ratio and thermal management for off-world habitat skins and structural applications. Core Deliverables: 1. A parameterized simulation script/pipeline modeling twisted bilayer/multilayer graphene band structures and interlayer coupling (compatible with our modular architecture). 2. Quantitative performance analysis covering electronic bandgap tunability, charge transport, and mechanical strain distribution under simulated off-w...
...schematic and multilayer PCB layout • Optimised stack-up, impedance-controlled traces where needed • Manufacturing package: Gerbers, drill files, pick-and-place, 3D step, fabrication & assembly drawings • Verified BOM with second-source components and current availability • Brief design report covering key decisions and test points Acceptance criteria • All added features operate from the same power domain without disrupting Wi-Fi/BT performance of the RTL8735BDM • Board passes basic ERC/DRC in Altium and conforms to standard PCB house specs (6/8-layer, 4 mil/4 mil minimum) • USB, SPI and I²C lines show clean signal integrity in the layout review • Deliverables import directly into Altium without missing libraries I’m looki...
...normally be uploaded without holding the BOOT button * Physical **BOOT and RESET buttons** * Two clearly labeled pads for an **external momentary RESET button** * Appropriate **3.3 V regulator** and normal ESP32 support circuitry * Expose **as many usable ESP32 GPIO pins as possible**, plus power and GND, for connection to circuitry I will add later * PCB must be **2-layer only — no 4-layer or multilayer design** * **All SMT resistors and capacitors must be 0805 or larger** — no 0603/0402 passives * Avoid unnecessarily small packages where practical, as I may occasionally hand-place or repair components * USB is mainly for programming/service; no USB-PD or USB 3.x circuitry is required * Use **commonly available components**, preferably parts readily available from Mo...
This project calls for a clean, production-ready multilayer PCB for a multi-mic prototype card for use in development. The schematic is done and an initial attempt at component layout has been made, both in easyeda pro. schematic pdf attached. Due to clock and signal fan-out constraints, and power supply layout constraints, need help in completing the actual PCB design. The board has 32 PDM microphones (x,y coordinates fixed) whose data are converted to TDM and sent off board via connector. The TDM clocks come in on the same connector. The board has a 3.3V buck-boost sourced with 5V from a battery connector. The 3.3V is used to power some ICs and is input to a 1.8V LDO for dual-powered ICs. Please apply your preferred professional tool—Altium Designer, KiCad, or Eagle are a...
...with Altium Designer or KiCad for schematic capture and layout is essential. Here’s how I see the collaboration flowing: • Translate high-level motion requirements into C/C++ firmware with clean, well-commented code. • Select, integrate and tune motor drivers, encoders and safety interlocks so the robot meets industrial-speed repeatability targets. • Design a compact, production-ready multilayer PCB; deliver the Gerbers, BoM and assembly notes. • Implement diagnostics hooks over CAN so field technicians can trace faults quickly. • Provide concise documentation—block diagrams, pin maps, test procedures and any MATLAB/Simulink models you use for control verification. When you respond, focus on relevant experience: show me similar boa...
...suitable for a wearable device ## PCB Design Design a **4-layer or higher multilayer PCB**, with proper: * MIPI CSI-2 and USB differential routing * Controlled impedance * Differential-pair length/skew matching * Continuous reference/return paths * High-speed via optimization * Power/ground plane design * Decoupling and power integrity * EMI/EMC-conscious layout The PCB should be designed for manufacturing and follow the selected manufacturer's impedance/stack-up requirements. ## Scope of Work 1. Evaluate the three SoCs and recommend one. 2. Analyze the relevant reference design. 3. Create the system block diagram. 4. Design the complete schematic. 5. Create/verify symbols and footprints. 6. Design the multilayer PCB. 7. Route and verify MIPI CSI-2, USB and othe...
I’m developing a new consumer home-appliance and need a specialist who can take my schematic concept and turn it into a production-ready PCB inside Altium Designer. Scope • Capture or clean up the existing schematic. • Lay out a compact, manufacturable multilayer board that fits the mechanical envelope I’ll share from Fusion 360. • Generate all fabrication and assembly outputs (Gerbers, drill, BOM, pick-and-place). • Export a STEP model so I can check the board in Fusion 360 before tooling. Key details • The board will sit in a plastic enclosure with tight clearance, so component heights and keep-outs must be respected. • It must comply with typical household appliance safety and EMI guidelines (basic insulation distances, ...
...external Wi-Fi video receiver; please validate bandwidth and power budgets. • An existing STM32F405-based SkyBrain RC subsystem must be brought onto the same PCB (or docked through a high-speed mezzanine) so every one of its functions—joysticks and switches, throttle control, and RF control—remains intact and low-latency. Deliverables 1. Complete schematic (Altium or KiCad source + PDF). 2. Multilayer PCB layout with impedance-controlled DDR and MIPI lines. 3. Checked BOM with lifecycle status and two assembly options (hand-build and full SMT). 4. Manufacturing outputs: Gerbers, pick-and-place, IPC-356 netlist, step files, assembly drawings. 5. Bring-up notes and a simple test firmware confirming LPDDR4X train, eMMC access, touch display init, SkyB...
...control Wake-up from 12 V ignition Optional wake-up from CAN1 Low-power sleep architecture Protected sensor supply eFuse or protected high-side power input preferred Primary use is a 12 V automotive system. Support for 24 V may be proposed only if it does not significantly increase cost or complexity. PCB requirements Altium Designer is mandatory Legal and reliable Altium installation required Multilayer PCB Controlled impedance for CAN FD Correct RF placement and antenna keepout for the ESP32 WROOM module Automotive EMC and grounding strategy Automotive or extended-temperature components AEC-Q parts preferred for exposed and critical circuits Components may be placed on both PCB sides Production test points where space permits Full mechanical verification against the enclosure...
...need the mechanical side brought to life and documented so a machining house can move straight into mass production. Scope You will create production-ready mechanical designs (STP files plus manufacturing drawings, BOM and assembly notes) for three linked units: • the rechargeable smart key, • the battery-free lock drum, • and the desktop programming / charging dock. Key requirements – Multilayer construction that combines stainless steel, aluminum and titanium exactly where each metal’s strength-to-weight or corrosion advantage is needed. – For the key: an ergonomic grip, compact profile and proven durability against daily wear. – For the lock drum: robust tamper and pick resistance together with my electronics-controlled, aut...
I’m building an industrial control system that brings an ARM Cortex-M microcontroller together with a Xilinx FPGA and a companion DSP on a compact, high-reliability multilayer board. The design calls for careful layer stack-up, controlled-impedance routing for high-speed buses between the MCU, FPGA and memory, as well as robust isolation and filtering for noisy factory environments. I already have a block diagram and rough pin assignments; what I need now is a complete hardware package that takes the concept all the way to production-ready files. — 6- to 10-layer schematic and PCB layout, including power architecture, differential pairs and test-point strategy — Verified design rules for 4 mil traces / 8 mil vias (or tighter if you can justify it) — Fab...
...phase of a 5 kW solar micro-inverter that must handle eight independent MPPT inputs while remaining grid-tied, battery-ready, and capable of being monitored remotely. Your task is to translate the existing concept into production-ready engineering files. I need: • Full schematic capture that shows every MPPT channel, power stage, control, protection, and communications interface. • A multilayer PCB layout sized for realistic thermal performance and manufacturability, delivered with complete Gerber, drill, pick-and-place, and assembly outputs. • Compiled and well-commented firmware that implements MPPT control, islanding protection, battery charge logic, and the data stream required for remote monitoring. The design must reliably deliver a combined 5 kW...
I’m building an AIS-140 compliant tracking unit and need one partner who can take the idea from schematic to fully tested firmware in a single run. That means you will design the multilayer PCB, select components that satisfy ARAI / AIS-140 certification, and deliver production-ready firmware that handles GPS/GNSS acquisition, GSM/LTE data transfer, SMS fall-back, panic button logic, CAN interface, and standard-mandated encryption and packet formats. Scope • Complete schematic capture and PCB layout (Altium, KiCad, or similar) including Gerbers, BOM, 3-D step files, and assembly drawings. • Firmware in C/C++ (preferred on STM32 or an equivalent automotive-grade MCU) covering GNSS parsing, GPRS/LTE socket handling, FOTA, accelerometer-based tamper detection, and...
...outputs that feed the plant’s PLC. A small TFT or OLED status screen and a Modbus-RTU port over RS-485 will round out the human-machine and network interfaces. I will provide the exact sensor datasheet, operating ranges, and the enclosure footprint; you handle everything from component selection to fully-routed Gerber files and production-ready firmware. Key deliverables • Schematic capture and multilayer PCB layout (KiCad or Altium) matching my mechanical constraints • BOM with second-source options for all active parts • Firmware (C/C++ on STM32 or equivalent) that: – Reads the oxygen sensor via the recommended analogue front end – Filters and linearises the signal in real time – Publishes the value over Mod...
I need a compact, production-ready circuit board that acts as the main control system for a self-service car-wash vending unit. Its first responsibility is to handle payment processing—accepting coins, bills, and potentially a simple cashless module—then trigger the wash cycle once payment is validated. You will translate this into a complete hardware package: schematic, multilayer PCB layout, and a cleanly organised BOM with readily available components. I will provide the pin-out for the existing coin validator and the relay map for the wash equipment; you make sure the board routes power safely, isolates high-current lines, and exposes clean connectors for future add-ons such as water-flow control and a small customer display. Because the installation sits in a ...
You will receive the existing schematics, BOM, and mechanical constraints after we sign an NDA. I am flexible on the choice of microcontroller or processor as long as it offers enough I/O and headroom for future firmware updates; I’m happy to discuss ARM Cortex, AVR, PIC, or any alternative you feel best suits the job. Key deliverables: • Updated consolidated schematic • Optimised multilayer board layout with clear differential pair routing where needed
Project Brief: B2B Lead Generation for Indian Flexible Packaging Sector Project Overview: This project focuses on mining targeted B2B contact data within the flexible packaging manufa...Packaging Manufacturing sector. Required Data Fields: 1. Company Info: - Account Name - Website URL - Physical Address (City included) 2. Contact Info: - Contact Person’s Name - Job Title - Verified Corporate Email Address - Mobile Number 3. Professional Link: - LinkedIn Profile (if available) Target Audience & Geography: Industry: Flexible Packaging Manufacturing (e.g., multilayer films, pouches, laminates, wrappers). Geography: India (focusing on Gujarat, Tamil Nadu, Karnataka, Maharashtra, Andhra Pradesh, Kerala). Company Size: Small, Medium, and Large enterpr...
I’m setting up a new mobile-phone venture and I want a seasoned PCB designer to join me at the ground floor. I will fund the hardware development; what I need from you is the end-to-end PCB engineering that turns our handset concept into a manufacturable reality. Scope of work • Architect and lay out a multilayer board that fits a slim smartphone form factor. • Integrate the core silicon (application processor, memory, RF front-end), battery interface and power-management circuitry, plus all critical sensor breakouts. • Optimise signal integrity, thermal behaviour and EMI/EMC so the design can clear FCC/CE without major rework. • Produce complete deliverables—schematics, layered Gerber/ODB++ files, annotated BOM, pick-and-place data and a bri...
I need an experienced KiCad PCB designer for an ESP32-S3 based audio/IoT prototype board with battery The board will include: - ESP32-S3-WROOM-2 module - PN532 NFC/RFID support - microSD storage - High-quality I2S Class-D audio amplifier for 4Ω 3W–5W speaker - USB-C 5V input - Rechargeable Li-ion/LiPo battery support - Battery charging circuit - Battery protection - Power-path/load-sharing management - 3.3V regulation for ESP32 and peripherals - Proper power supply/filtering for the audio amplifier - 2 rotary encoders/buttons for volume/navigation - Small SPI color display, approximately 1.7–2.0 inch, ST7789 or similar - Display backlight contrrol. - Status LEDs - Test points for debugging and production testing
I’m developing a compact 1 × 1 inch board dedicated to sensor integration and need an experienced electronic designer to turn my concept into production-ready files. The job involves creating the full schematic, laying out the multilayer PCB, and preparing all manufacturing outputs while keeping signal integrity and power routing clean within the tight footprint. Because this board’s sole purpose is to host sensors, component placement and trace routing must anticipate minimal noise coupling and allow straightforward connector access on at least one edge. You are free to choose the CAD package you’re most efficient with—KiCad, Altium Designer, Eagle, or similar—as long as the final deliverables meet standard fabrication requirements. Deliverable...
...Altium Designer, followed by a working, well-documented firmware build. What I already know: the board must host the STM32 MCU, a cluster of sensors and actuators, an onboard wireless communication module for short-range data exchange, and a solid power-management stage so the whole unit can run reliably from a single DC source. What I need from you: • Complete Altium schematic capture and multilayer PCB layout • Gerbers, fabrication drawings, and a clean BOM with part numbers still in stock • Firmware written in C (HAL or LL is fine) that brings up the peripherals, handles sensor I/O, drives the actuators, and exposes a simple wireless protocol for configuration and telemetry • Brief bring-up guide so I can reproduce your test results on the first ...
...experienced hardware engineer to design a custom, battery-powered AI camera mainboard. The board is built around the STM32N657 (Cortex-M55 + Neural-ART NPU) and integrates a MIPI CSI-2 day/night camera, Wi-Fi 6 / BLE, a 1S2P 9600 mAh Li-ion power subsystem (switching charger + fuel gauge), IR + white illumination drivers, audio, microSD and USB-C. This engagement is hardware only: schematic capture, multilayer PCB layout (likely 6–8 layers, Altium), full manufacturing files with native sources, and 3–5 assembled, tested samples. Firmware is handled in-house. Two skills are non-negotiable: STM32N6/H7 designs with external boot flash, and routing MIPI CSI-2 camera interfaces with controlled impedance. We have a validated reference design on the same SoC to share as a f...
...that you locate and tag suspect machines, take them with you, and bring them back once they pass your bench test. When you return a miner, I expect it to hash at full spec for at least 24 hours with no ASIC errors and the latest stable firmware loaded. Please reply only if you are already based within driving distance of Sugar Land or Rosenberg and have the equipment to troubleshoot and rework multilayer boards—hot-air rework station, micro-soldering tools, oscilloscope or logic analyzer for signal tracing—plus experience with Antminer-class hardware....
I need a power-electronics specialist to take my high-frequency resonant converter from concept to production-ready multilayer PCB. The heart of the job is the board layout in Altium Designer, but success hinges on excellent EMI/EMC behaviour, solid thermal management and reliable high-current paths. Here’s what I have so far: complete schematics, key component selections and preliminary LTspice simulations. What I’m missing—and what I’m hiring you for—is a clean, fabrication-ready Altium project that respects controlled-impedance routes, minimizes switching noise and keeps temperature rise well within spec. If you have past wins in wireless power transfer or EV chargers, that insight will fit perfectly with the power levels and frequencies we’...
...expansion into additional connected vehicle accessories. Please include examples of similar embedded or automotive PCB projects, your preferred CAD software, estimated timeline, and a brief description of your approach to creating the smallest practical production-ready design. Preference will be given to designers with experience in automotive electronics, BLE-enabled embedded systems, and compact multilayer PCB layouts....
...from PCB and firmware to cloud, AI, and mobile Core Expertise Covers the Entire IoT Chain-> Embedded Firmware DevelopmentSTM32, ESP32, Arduino, nRF, PIC, Raspberry PiBare-metal & RTOS (FreeRTOS)BLE, Wi-Fi, LoRa, MQTT, CAN, SPI, I²C, UARTSensor integration, power optimization, OTA updates-> PCB Design & Hardware EngineeringSchematic + PCB design (EasyEDA, Altium, KiCad)Single-layer to multilayer boardsBOM optimization & DFM/DFA supportPrototype-ready Gerbers & manufacturing files-> Cloud, Backend & AI IntegrationAWS, Firebase, custom backend APIsIoT dashboards & device managementData processing, analytics, AI/ML integrationSecure communication & scalable architecture-> Mobile ApplicationsiOS (Swift) & Android (Kotlin)Cross-platform...
I have completed the schematic and multilayer PCB layout for a custom GNSS / GPS module that will sit inside a small-form-factor UAV. Before I press the “order” button, I need a second set of expert eyes to validate every critical detail, with extra attention on the power-supply architecture—which I flagged as my primary concern. The review should cover GNSS/RF trace routing, impedance control, grounding strategy, EMI/EMC risk points, component placement for manufacturability, and overall reliability under airborne vibration and temperature swings. If you spot an issue, I expect you to offer (and, if we agree, implement) concrete fixes so the board comes back right the first time. Design files are proprietary; I will share the Altium project after I see examp...
...my team now handles manually. Its core purpose is task automation, and more precisely workflow automation, so every design and coding decision should support that end. The agent must be able to: • Document routing – read incoming files or messages, understand context, and pass each item to the correct person, folder, or third-party system. • Approval processes – trigger, monitor, and record multilayer approvals, nudging stakeholders when they lag, and logging a full audit trail. • Scheduling tasks – analyse workload and availability, then automatically book or reschedule tasks, meetings, or follow-ups on the calendar. I expect you to choose or fine-tune the most suitable LLM, wrap it in a lightweight agent framework (LangChain, LlamaIndex, o...
...fabrication/assembly drawing Acceptance criteria 1. All high-speed pairs within ±50 mil of the reference length, impedance within the stack-up tolerance. 2. No DRC, ERC or manufacturer blockers at the chosen 6-layer stack-up. 3. Files open error-free in the latest KiCAD stable release and pass an external Gerber viewer check. If you have a proven track record with similar high-density, multilayer industrial boards, I’d be happy to review your portfolio and move forward....
I’m developing a medical-grade device and need a robust multi-layer PCB that integrates a microcontroller at its core. The board must respect the tighter clearances, high-reliability traces, and documentation standards typical of IEC 60601 workflows, yet remain manufacturable with mainstream fabrication houses. Here’s what I expect: • Complete schematics and stack-up showing controlled-impedance layers • Component placement optimized for the chosen microcontroller, low-noise analogue front-end, and test points • Clean, DFM-checked Gerber/ODB++ outputs, drill files, and pick-and-place data • A concise BOM with manufacturer part numbers and at least one alternative per key component • Basic power-integrity simulation results confirming stable ra...
...minutes. • A small, front-panel LCD that shows live voltage, current, present polarity, and any status or fault messages. • A USB port that exposes the raw data stream so an external PPM meter (and future logging software) can read concentration values. Deliverables I expect: 1. Complete, simulation-tested schematic in Altium, KiCad, or a comparable professional package. 2. Optimised multilayer PCB layout with clearances suited for 60 V/10 A, including silkscreen labelling and test points. 3. Full manufacturing pack—Gerbers, drill files, pick-and-place, BOM with part numbers in active distribution, and an assembly drawing. 4. Firmware source and compiled binary for the control MCU covering LCD menu, USB output, polarity timing, constant-current/volt...
...or 4 as you judge discipline are critical. The Ethernet interface must sustain full-duplex gigabit speeds; no other user I/O (USB, HDMI, SD) is required. If you can hit the same feature set with a cheaper or faster-to-source tuner, demodulator, or SoC, let me know—cost and lead-time are important factors. Deliverables I expect: • Schematic capture and complete annotated BOM • Compact multilayer PCB layout ready for PCBA (Gerber, drill, pick-and-place, assembly drawings) • Signal-integrity checks around the Ethernet PHY/RGMII and memory buses • Power tree, thermal estimates, and basic DFM notes I will validate the design by ordering the first spin exactly from the files you supply, so please ensure footprints, stack-up, and reference design...
1. Main Controller • The board’s main controller will be a microcontroller from the Teensy 4.0 class. It must have sufficient processing speed and GPIO capacity. 2. Integrated ESC • The board will feature a built-in ESC for driving a brushless starter motor. • It must support a current capacity of ≥40A. • The ESC will be powered by a 3S-4S battery. (Minimum 11.1–14.4 V, Maximum 12.6–16.8 V) • The necessary protection and secure signal connections must be provided between the motor driver and the controller. 3. Glow Plug Output • The board will include a power switching output for the glow plug. • It must support a current capacity of ≥16A. • On/Off control is sufficient. • The glow plug will be powered by 3S or 4S volt...
...output under varying load and temperature. -High efficiency and low EMI because this board will sit close to sensitive vehicle controls. -Robust protection—input reverse polarity, over-current, over-temperature and soft-start are all essential. Preferred workflow You run the calculations, build and verify the topology in LTspice, PLECS, or a similar simulator, then create the schematic and multilayer PCB in Altium (KiCad is fine if you prefer). I’ll review each milestone before we move on to the next. Deliverables 1. Design report with key equations and component choices 2. Simulation files showing efficiency and transient behaviour 3. Complete schematic and annotated PCB layout (Gerbers + 3D step) 4. BOM with manufacturer part numbers and availability...
I need an experienced PCB designer to replicate a multilayer consumer electronics board based on existing schematics. The board is used in a radio device and involves complex signal processing. Key Requirements: - Accurate replication of the existing PCB. - Maintain all signal processing functions. - Ability to work with obsolete designs. Ideal Skills: - Expertise in multilayer PCB design. - Strong background in signal processing circuits. - Experience with outdated technology and schematics. Please provide samples of similar work and estimated timelines.
