Multilayer perceptron työt

...capable of switching a single 230 V, 16–30 A line to 4, 8, or 12 outputs—without power loss—but none of them have reached the standards I expect. I have schematics, calculations, thermal measurements, and test logs: enough material to clarify every technical detail and speed up your work. I need a senior designer who can transform all this into a final solution, complete with ESP32 firmware, a multilayer PCB (4 or 6 layers, JLCPCB 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 fir...

...12 uscite; --senza perdita di potenza--, nessuno, però, raggiunge ancora gli standard che mi aspetto. Dispongo di schemi, calcoli, misurazioni termiche e log di prova: materiale sufficiente per chiarire ogni dettaglio tecnico e velocizzare il tuo lavoro. Mi occorre un progettista senior che sappia trasformare tutto questo in una soluzione definitiva, completa di firmware su ESP32, con PCB multilayer (4 o 6 strati, produzione JLCPCB - copper 3once) e una simulazione accurata e documentata prima 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. • Padronan...

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

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 ...

...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 constraints. If you’ve previously designed compact wearable or IoT boards that plug directly into the platforms listed above, you’ll be up and running fast. When you reply, share one...

...the complete RFID tag electronics, including: - RFID IC selection - temperature and Humidity sensing solution - Antenna design and matching network - Supporting circuitry required for reliable operation 4. Manufacturing-Ready Deliverables Provide complete, production-ready outputs: - Schematics - Bill of Materials (BOM) with manufacturer part numbers suitable for volume production - Compact multilayer PCB layout suitable for flexible or ultra-thin substrates - Gerber files, pick-and-place files, and fabrication / assembly notes 5. Test & Validation Plan Provide a concise test and validation plan covering: - Read distance verification - Orientation sensitivity - Performance in cluttered, humid indoor environments - Temperature and Humidity measurement verification and repeat...

...captures the time-dependent mechanical response of layered polymer materials and highlights their failure mechanisms under a range of operating conditions. The final model should be generic enough to reuse on future studies yet detailed enough to give clear, defensible insight for current engineering decisions. What the work involves • Build or assemble a robust computational model of the multilayer polymer system. • Set up and run a series of controlled simulation cases that probe different loading histories and modelling assumptions. Key outputs are failure initiation and progression, plus any supporting stress-strain data that explain them. • Post-process the simulations into concise plots, tables, and visualisations that make comparison straightforward. ...

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...temperature control via a clear digital display, integrate an automatic safety shut-off, and run continuous self-diagnostics. Just as important, the layout and firmware should simplify future servicing; component placement, test points, and code structure all need to support quick fault isolation and repair. You’ll start from a functional spec and translate it into a production-ready schematic, multilayer board and firmware that can drive the power stage, fans and UI. Robustness is key: the design has to survive real-world line conditions, pass standard EMI/EMC compliance, and manage thermals under sustained high loads without false trips. Deliverables • Altium (or comparable) schematic and PCB files, Gerbers and BOM • Compiled firmware plus documented, well...

...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...

...roughly 5 × 5 cm to 10 × 10 cm. I will supply a hand-drawn schematic and the exact part numbers; what I need from you is a clean, fabrication-ready design. Please route the board in KiCad, Eagle, or another mainstream tool so the files are easy for me to revisit later. Keep trace widths and clearances sensible for standard FR-4 production and single-sided assembly. No fancy impedance work or multilayer stack-ups—just a tidy, functional prototype I can breadboard-test and have manufactured quickly. Deliverables
 • Editable project file in the CAD package you use • Gerber and drill files zipped and ready for upload to a fab house • Simple BOM matching the reference designators I’ll review the layout against the schematic and run a qui...

I need a custom PCI-e network interface card that combines a legacy thin-Ethernet BNC connector with modern 10 Gbps performance. The primary purpose is to let multiple devices—servers, workstations and a few printers—join the same coax segment without migrating our existing cabling. Scope • Hardware: complete schematic, multilayer PCB layout, verified BOM and Gerber files. • Firmware / Logic: MAC-level handling that sustains 10 Gbps over the coax interface, plus EEPROM configuration for plug-and-play recognition in Windows and Linux. • Driver: a clean, compile-ready driver (preferably based on an open-source 10 GbE stack) that exposes standard settings in the OS network panel. • Prototype: at least one proof-of-concept board assembled, smoke-...

...fire a request to a third-party API, receive its JSON payload, locate the relevant date field (I’ll confirm the key name with you), and immediately tell the user whether their submitted date matches the one returned. When the two dates diverge, display the difference in days. A concise activity log showing the last few checks for each user will be enough for basic history. No social logins or multilayer roles are needed right now—just straightforward registration, login, password reset, and the main date-checking page. Deliverables • Clean Laravel project (latest LTS) with migrations, seeders, models, controllers, and views/components • Email-based authentication wired up with Laravel Breeze, Jetstream, or another lightweight starter you prefer &bull...

I’m developing a handheld consumer-electronics device and need a production-ready PCB that handles reliable WiFi / Bluetooth connectivity while fitting within a medium form-factor typical of smartphones or portable game consoles. I already have the overall system architecture and parts shortlist; what’s missing is a clean schematic, a well-routed multilayer board and the files a contract manufacturer can drop straight into fabrication. The job covers: • Translating my block diagram into a full schematic (Altium, KiCad or Eagle—use what you’re fastest with) • Layer stack-up and impedance-controlled routing for the RF section so the wireless module meets FCC/CE requirements • Placement optimisation around the antenna keep-out and battery ar...

The complete schematic for my digital-audio signal-processor prototype is ready; now I need it turned into a set of production-ready PCBs in KiCad. There will be three boards in this job. Two will be approximately 110mm by 100mm. The codec board may require a multilayer stack-up. Hopefully the analog IO boards can be accomplished on two-layer boards and accommodate the specified audio connectors along one edge for easy panel mounting. The schematic is already in Kicad 9.0. Footprints and 3d models are in place. You will need to decide the optimal layer order, and route every net with good mixed-signal practices—quiet star ground plane, short high-speed traces, and clean separation of analogue and digital domains. When you are done I should be able to hand the files strai...

...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 already have a complete electronic schematic and now need it translated into a production-ready PCB layout. The board is for a compact consumer-electronics product, so space is tight—final dimensions must stay under 5 cm × 5 cm—and the stack-up will be multi-layer to accommodate routing and signal integrity. Here is what I expect from you: • A clean, rule-checked PCB layout that meets the electrical requirements in my schematic. • Fabrication files (Gerbers, drill, pick-and-place) plus the editable project file in your chosen CAD package. • A concise BOM with manufacturer part numbers. I will provide the schematic, component footprints I’ve already selected, and any mechanical outlines as soon as we start. Please keep an eye on trace widths,...

I’m bringing a new commercial IoT device to market and need a single engineer who can take the hardware from napkin sketch to tested prototype. The work spans hardware architecture, schematic capture, multilayer PCB layout, component selection, power-and-protection design, and all embedded C++ firmware. Core requirements • Connectivity: Wi-Fi only for the first revision • Sensors: a Temperature sensor and a Humidity sensor are mandatory, along with moisture measurement and any related environmental sensing you recommend. • Actuators: the board must be able to drive pumps as the primary load, plus leave head-room for additional actuators of similar power levels. I expect you to design for manufacturability, choose readily available parts, and document every...

...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...

...sensor on board for ambient temperature and humidity, an RGB status LED for global health, and individual LEDs that mirror the state of every relay. Industrial-grade reliability is non-negotiable. Please factor in proper isolation, track clearances, surge protection, and any other safety measures that let the board live inside a switchboard without babysitting. Deliverables • Schematic and multilayer PCB layout (Gerber + pick-and-place) • Verified RF section suitable for the STM32WB55’s 2.4 GHz radio • BOM with qualified parts for 15 A switching • Firmware source (STM32CubeIDE / C) that demonstrates: – Secure Zigbee 3.0 joining – Individual relay control with zero-cross timing – Real-time current, temperature, and ...

...cabinet in a residential setting, that can source at least 5 A, energise an onboard relay, and host a 4 G modem whose Ethernet port breaks out to an RJ-45 jack. Overcurrent-protection circuitry must be designed in from the start so the finished unit survives short-term abuse and meets basic safety marks. The work begins with a schematic that balances efficiency and EMI limits, then moves to a multilayer PCB ready for immediate upload to JLCPCB—Gerbers, drill files, pick-and-place, finished BOM with JLC part numbers, and clear assembly notes. Component placement must reserve adequate clearance for the relay, a uSIM holder, and the RJ-45 while keeping the whole board within a standard 6-module DIN enclosure. Because the modem will sit on the same board, careful attention to...

...full ownership of the schematic, multilayer layout, and manufacturing package. The board is expressly meant to be a multi-layer RF + digital PCB, so controlled impedance traces, tight length matching, and a clean RF ground strategy are non-negotiable. You will work strictly from my supplied BOM and pin-map, ensuring every net and footprint aligns perfectly with those source documents. While the exact parts list is locked, the design mixes RF front-end blocks with high-speed digital logic—think amplifiers, filters, oscillators, and similar building-blocks—so you should be comfortable routing sensitive analog sections beside fast parallel buses and differential pairs. Deliverables (all generated in KiCad 7 or later): • Complete, ERC-clean schematic • Mult...

I need a fresh multilayer PCB laid out strictly for surface-mount devices so I can move my current concept from breadboard to a fully testable prototype. The schematic is ready; what I require now is a clean, fabrication-ready board that respects good DFM practices and keeps signal integrity tight across all layers. Please place components with efficient routing in mind, balance power and ground planes, and include all the usual design rule checks. Once the layout is complete, I will need: • Gerber files and drill data prepared for standard prototype houses • A clear, component-referenced BOM using readily available SMD parts • Pick-and-place and assembly drawings so I can hand the package straight to my assembler If you have recent experience turning mult...

...transform it so that it looks as if its legs are truly broken. The breaking point must be believable, with realistic treatment: splinters, fractures, textures consistent with the material, and some debris scattered on the floor, just as if the fragments had just fallen. The source image is in JPEG format (I can also provide the RAW file). I would like to receive a print-ready output and the multilayer source file, so I can adjust lighting or colors in the future. Photoshop is perfect, but Affinity Photo or GIMP are also fine as long as the masks remain editable. Requested delivery: Final high-definition image (minimum 3000 px on the longest side) in JPEG or PNG format; PSD file (or equivalent) with separate layers for cracks, debris, and color corrections. It would be conven...

...EMC filtering --- Power & Protection Requirements Must be suitable for an automotive environment: Reverse-polarity protection Load-dump protection Transient suppression (TVS) 12V → 5V / 3.3V high-efficiency DC-DC converters EMI/EMC countermeasures per automotive guidelines Brownout/undervoltage protection Grounding strategy appropriate for mixed-signal design --- PCB Layout Requirements Multilayer PCB Must follow enclosure outline + connector/pinout provided Separation of analog/digital/high-current domains Controlled impedance for CAN FD traces Proper RF layout for ESP32 (antenna keepout zones, ground tuning) Vibration-resistant component choices Automotive temperature-rated parts (AEC-Q where possible) --- Deliverables Full Altium Designer project Schematic d...

...or video automatically appears on the right side of the dropdown — similar to the layout in the reference image. • Each image should correspond to the specific product or room category selected. Surfaces • Marble • Stone • Wood • Porcelain Wallpaper • Vinyl – Vinyl wallpaper • EQ•dekor® – Fiberglass wallpaper • Goldenwall – Metal foil wallpaper • Raw – Rough wallpaper • lineadeko – Multilayer birchwood coverings • Undici – Engraved oak parquet • Tela® system – Backlit textile wallpaper • ® – Printed rugs & moquettes Fixtures • Bathroom • Shower • Kitchen • Accessories Furniture • Colle...

We need an experienced Embedded Hardware Engineer who can design the complete hardware from scratch. Your responsibilities: • Create complete schematic diagram • Select components and prepare BOM (Bill of Materials) • Design PCB layout (2-layer or multilayer as required) • Generate Gerber files + drill files + pick-and-place • Ensure correct power flow, battery charging, boost/buck, relay/switching, and protection circuits • Provide guidance on production readiness • Must be familiar with EasyEDA / KiCad / Altium Nice to have: • Experience with ESP8266/ESP32 designs • Knowledge of DC-UPS / battery backup systems • Understanding of EMI/EMC, BIS safety guidelines • Ability to support firmware later (optional) What we...

...comparable alternative you feel suits the brief—so long as it supports BLE and Wi-Fi. Scope The board must expose several sensor and general-purpose I/O headers, keep routing tight, and respect 2.4 GHz RF layout best practices on a multilayer stack-up. Deliverables (all mandatory) • Complete schematic • PCB layout source file (your chosen CAD: Altium, KiCad, Eagle, etc.) • Fabrication-ready Gerber/NC drill set • Clean, component-level Bill of Materials What I value • Prior ESP32 hardware designs in your portfolio • Demonstrated skill with compact, multilayer RF boards • Clear communication of design choices and constraints If you can turn around a tidy, interference-free layout that meets these points, I&rsqu...

I need a dynamic simulation that shows a three-layer tape winding once around an existing 3D coil geometry, starting at a defined point and finishing the full circle. Each layer is made from a different material, so the model has to keep them distinct throughout the motion, contact and deformation. You will receive the coil model; please build the tape so it realistically follows the path, obeys bending-radius limits and clearly displays the three separate layers as the winding progresses. I am flexible on the platform—ANSYS, SolidWorks Deliverables • Editable simulation file with all settings • Logic and Justification behind the Boundary conditions and Force Direction Acceptance criteria • Tape completes exactly one turn with no interpenetration or layer...

...b9b6868558037e78 - All PMOS version. Image attached - "The chief cause of losses in the cross-coupled circuit is parasitic capacitance rather than switching threshold voltage. The losses occur because some of the energy has to go into charging up the parasitic capacitances on each cycle." - "Surface-mount multilayer ceramic capacitors, X7R or X5R temperature characteristic, are recommended. These capacitors have low ESR, tight capacitance tolerance, and hold their value over temperature (X7R: ±15 percent over 55°C to 125°C; X5R: ±15 percent over 55°C to 85°C)." - More info: =======

...embedded and firmware specialist who can own both the electronics and the low-level code. The core of the project is EEG—no ECG modules for now—so every design decision should favour sub-microvolt accuracy, low noise, and minimal motion artefacts inside a lightweight, sweat-tolerant headband enclosure. You will be responsible for: • Hardware architecture: component selection, schematic capture, multilayer PCB layout, power management, battery charging, BLE radio, and a medically-rated low-noise analog front end for multi-channel EEG. • Firmware: real-time sampling, digital filtering, data compression, BLE streaming with <50 ms end-to-end latency, OTA updates, and safe bootloaders written in C or C++ (ARM Cortex-M preferred). • Integration &...

I have several multilayer Illustrator graphic files that control navigation on my new site, and they need a quick but careful refresh. The copy inside several layers must be updated, a few elements have to be resized so everything aligns perfectly across breakpoints, duplicates samples and I’d like the color and structure layer turned off —no palette changes, just clean custom typography and balanced spacing. Alongside those edits, I also need a small set of brand-consistent assets to round out the UI as needed during development: fresh illustrations that match the current clean and flat style and a potential series of custom icons for new menu items. All final artwork must remain vector-based, supplied back to me in .ai plus editable web-ready SVG/PNG exports so my dev...

I want to turn my concept for an analog, multi-sensor perceptron into a working, test-ready design. Three inputs—light, temperature, and humidity—must be buffered, filtered, and routed into weighted-sum networks built with resistors and precision op-amps. An adaptive‐threshold circuit should track ambient changes so the perceptron fires reliably across varying conditions. Core blocks I need designed and documented: • Sensor front-ends: low-noise buffers and RC/active filters matched to each sensor’s bandwidth. • Weighted-sum stage: resistor ladder or inverting summer that allows easy trimming of weights. • Adaptive threshold generator: op-amp based circuit that shifts the decision level automatically. • Comparator array: multip...

...related phases, and I’m looking for one partner who can carry both through to the prototype stage. Phase 1 covers the electronics and firmware. I already have the functional blocks defined: a Li-Po cell, an inductive charger coil, an MCU (Arduino-class or equivalent), and the stepper driver. Your job is to prototype (breadboard) and test, then turn that into a production-ready schematic, compact multilayer PCB, and embedded code that moves the screw precisely, monitors battery/temperature, and exposes a USB-CDC interface for configuration. Phase 2 brings connectivity and user interaction. I need the same hardware miniaturised even further, Qi or another suitable inductive standard selected, and Bluetooth LE added so the device can talk to an Android phone. On the software...

...related phases, and I’m looking for one partner who can carry both through to the prototype stage. Phase 1 covers the electronics and firmware. I already have the functional blocks defined: a Li-Po cell, an inductive charger coil, an MCU (Arduino-class or equivalent), and the stepper driver. Your job is to prototype (breadboard) and test, then turn that into a production-ready schematic, compact multilayer PCB, and embedded code that moves the screw precisely, monitors battery/temperature, and exposes a USB-CDC interface for configuration. Phase 2 brings connectivity and user interaction. I need the same hardware miniaturised even further, Qi or another suitable inductive standard selected, and Bluetooth LE added so the device can talk to an Android phone. On the software...

The schematic is already finished; what I need now is a clean, production-ready PCB layout. The board sits in the 10–20 cm range, will host only surface-mount parts, and must be routed as a multilayer stack. Please take my KiCad/Altium schematic (whichever you prefer to import) and turn it into: • Optimised multilayer layout with clear impedance-controlled traces where needed • Complete Gerber, drill, and IPC-356 netlist files ready for fab submission • Up-to-date BOM plus pick-and-place and centroid data so the assembler receives everything in one package If you have access to a reliable assembly house and can oversee the SMT build, let me know; I’m open to adding that phase once the design is locked. I’ll supply the schematic, comp...

...handful of extra components I will specify during schematic review. Board outline is flexible; it does not have to match the breakout’s footprint or shape as long as it fits within the mechanical envelope I will share. I will provide the existing pinout, target supply rails, and the list of additional circuitry once we begin. You will translate that into a clean schematic, lay out a compact multilayer board, and deliver files ready for fabrication and assembly. Deliverables: • Complete schematic (on easy eda preferred, an jlcpcb components ,others are fine if you can export to standard formats) • PCB layout with design rules cleared for my chosen manufacturer • Gerber, drill, pick-and-place, and centroid files • BOM with manufacturer part numbers...

I’m developing a new smart home appliance and need a compact, production-ready PCB that focuses on accurate energy-efficiency monitoring. The board will sit at the heart of the device, sampling power-consumption data and feeding it to the appliance’s main microcontroller for real-time analysis and display. Here’s what I’m after: • Complete schematic and multilayer board layout ready for manufacture (Altium, KiCad, or Eagle—whichever you prefer). • Component selection and BOM optimised for cost and long-term availability. • Clear separation of high-voltage and logic domains, with proper creepage and clearance. • Integrated current-sensing solution (shunt or Hall effect) capable of measuring up to 16 A with ±1 % accuracy. &bull...

I need a full COMSOL Multiphysics model that reproduces weak-magnetic-excitation testing on a multilayer steel wire rope and lets me quantify magnetic flux leakage (MFL) caused by broken wires. The emphasis is on measuring magnetic flux density in and around the rope, then isolating and visualising the leakage field that appears at each simulated fracture. Scope of the study • Build or import a realistic 3-D rope geometry (strands and core) with one or more intentionally broken wires. • Apply a low-level DC (or quasi-static) excitation so the system sits in the weak-magnetisation regime—no saturation. • Solve with the Magnetic Fields interface (AC/DC Module) and extract: magnetic field strength (H), flux density (B), local magnetisation, remanent flux den...

...- Class D Amplification supplied by 2x Texas Instrument TPA3251 for 1 dual BTL and 1 PBTL PFFB opeartion - Micro Controllers by Atmel ATtiny25/85, 25 for Selfboot and 85 for push button/LED control (DSP preset toggle with colour coded LED, LED brightness control) Ideal skills and experience: - Experience in designing Class D amplifiers - Proficiency in SigmaStudio and KiCad - Proficiency in multilayer PCB design - PCB layout design for medium-sized audio systems - Attention to detail and ability to adhere to design rules The schematics are prepared in KiCad (will require verification of validity), components have ben pre-selected from Wurth (any generic components should be switched out for Wurth components). Please provide samples of previous work and relevant experience. F...

I have a set of hand-drawn sketches for a new main board for a PC monitor that houses an add-on subsystem, and I’m ready to turn them into a fully manufacturable design. The job covers three closely linked parts: 1. Complete hardware design • Translate my sketches into a finished schematic and multilayer PCB ready for fabrication. • Keep the video-processing channels intact while adding the new subsystem on the same board (typical consumer-grade monitor form factor, tight bezel clearance). • Choose components, route high-speed signals, and prepare the BOM, Gerbers, pick-and-place, and 3D step files with proper DFM/EMC considerations. 2. Embedded software / firmware • Bring-up code for the onboard controller that handles the add-on features. • Source-...

I have a set of hand-drawn sketches for a new main board for a PC monitor that houses an add-on subsystem, and I’m ready to turn them into a fully manufacturable design. The job covers three closely linked parts: 1. Complete hardware design • Translate my sketches into a finished schematic and multilayer PCB ready for fabrication. • Keep the video-processing channels intact while adding the new subsystem on the same board (typical consumer-grade monitor form factor, tight bezel clearance). • Choose components, route high-speed signals, and prepare the BOM, Gerbers, pick-and-place, and 3D step files with proper DFM/EMC considerations. 2. Embedded software / firmware • Bring-up code for the onboard controller that handles the add-on feat...

PLEASE DO NOT RESPOND WITHOUT COPIES OF HAZARDOUS CERTIFICATES OF LAST PRODUCTS YOU DEVELOPED. I have a compact signal-processing circuit that must operate safely in an explosive-gas environment. What I need is a production-ready multilayer PCB plus a matching 3D-modelled enclosure that can move smoothly through hazardous-area certification. The PCB will be like this example But the cylindrical sensors models will be different from here. This PCB will be mounted on the back of a ESP32. We have the model selected. The power, BLE & Wi-fi will be selectable from internal or external. You design component placement, and stack-up while respecting intrinsic-safety

I need a PCB design for industrial equipment that requires a multilayer configuration. The PCB will handle mixed signals, including both analog and digital. Key Requirements: - Design a multilayer PCB suitable for industrial equipment. - Ensure compatibility with mixed signal processing (analog and digital). Ideal Skills and Experience: - Experience in designing multilayer PCBs. - Familiarity with industrial equipment requirements. - Proficiency in handling mixed signal PCB designs.

Dear Freelancer, I am currently developing an IoT device based on the ESP32. I need a partner who can take my project from initial schematic to fully tested and assembled hardware. My requirements include: - Full PCB design (schematic, layout, DFM/DFX optimization, SI/PI, and thermal analysis) - PCB fabrication (rigid/multilayer/HDI/flex as required) - Component sourcing and PCB assembly (SMT, possible through-hole, box-build) - Functional testing and validation (e.g., AOI, X-ray, electrical testing) - Turn-key or rapid-turn prototype options - Familiarity with IoT projects, Espressif guidelines is a strong plus Please let me know: - Your capabilities are aligned with these needs - Typical lead-times and minimum order quantities (prototypes and small volumes) - Estimate for desig...

I need a simple, multilayer PCB design converted from OrCad to Altium. Ideal skills and experience include: - Proficiency in both OrCad and Altium - Experience with multilayer PCB designs - Attention to detail to ensure accuracy in conversion Please provide samples of previous similar work.

...Balancing (SMOTE) The Synthetic Minority Over-sampling Technique (SMOTE) generates synthetic examples of underrepresented classes such as infiltration or bot attacks. This helps the model learn from a more balanced distribution (Chawla et al., 2002). Hybrid Model Training Three core classifiers are trained: Random Forest (robust to noise), XGBoost (handles structured data well), and Multi-Layer Perceptron (captures complex nonlinear features). These models are then combined using a soft voting mechanism to aggregate their probabilistic outputs (Garikapati et al., 2025). Prediction Layer This module classifies network traffic into attack categories or benign behavior. Probabilities from each classifier are used to generate ensemble predictions. Explainability Layer (SHAP) Shapl...

I’m putting together a short 2-D animated video that explains how a simple multi-layer perceptron is built and trained, and I need a ready-to-use Microsoft PowerPoint deck to drive the narration. The slides should guide a complete beginner—me—through a tiny network with just a handful of inputs, one hidden layer and an output layer, keeping the maths friendly and the theory light. Here’s the flow I have in mind: start by sketching the overall assembly (inputs → hidden → output) so viewers see where weights and biases live. Then walk forward through one sample calculation: show how each weight and its bias contribute to the neuron’s output, include the activation, and move that result down the network. Once an initial prediction is made, calcu...

I’m building a compact, stand-alone instrument that measures air or gas pressure up to 3 000 Pa, logs the data locally, and syncs it to a PC over Wi-Fi. Everything has to fit into a handheld enclosure with an LCD front panel, so the job covers both the electronic hardware and the embedded code needed to make it work seamlessly. Hardware – Schematic capture and multilayer PCB layout, including the pressure sensor interface, MCU, on-board flash, Wi-Fi module, USB-C (or similar) service port, battery charging, and a small graphic LCD. – Production-ready deliverables: Gerber/ODB-++ files, pick-and-place, detailed BOM with alternates, and assembly drawings. Firmware – C / C++ bare-metal or RTOS-based code that performs real-time pressure sampling, on/off-l...