Altium circuitstudio jobs
...CAD files) Prototypes Minimum: 1× Transmitter units 1× Receiver units Documentation Flashing instructions Wiring diagrams Assembly guide Performance Requirements Reliable wireless range: 300–500 meters indoors Low latency Stable wireless connection Robust packet acknowledgement system Required Skills Embedded Systems LoRa / SX1276 Arduino / C++ USB HID keyboard devices PCB design (KiCad / Altium / EasyEDA) 3D enclosure design Budget Open to proposals depending on: custom PCB complexity enclosure design prototype fabrication Additional Notes This device will be used for small-scale production or personal use, not mass consumer production. A working prototype and firmware logic already exist and will be provided to the selected developer....
I am working on a compact RF application based on Silicon Labs’ SI4010 transmitter and now need a fresh set of expert eyes to get it...forward directly to compliance labs. Acceptance criteria: the updated design must demonstrate at least a 20 % range gain over the current build, stay within FCC Part 15 limits, and achieve <15 µA average standby current in my defined duty cycle. You are free to use whatever RF tools you prefer—VNA, SA, SigGen, or Silicon Labs development kits—so long as your final delivery includes the revised Altium files, the updated C firmware, and the measurement evidence outlined above. I’ll provide the present schematic, board files, and code immediately after kickoff and can run quick bench tests or firmware loads on my s...
...Motion sensors • Humidity sensors • GPS, LoRa and RFID modules Your role – Extend and optimise the ESP32 BLE firmware to handle the data flow from the devices above, keeping power consumption low and connections reliable. – Design or refine schematic/PCB revisions when new components are introduced. – Produce clean, well-commented source code plus concise hardware files (KiCad, Eagle or Altium—your choice). – Document build steps so a new engineer can pick up the work without guessing. Acceptance criteria 1. All sensor inputs are sampled and packaged into a BLE characteristic within agreed timing constraints. 2. Firmware builds without warnings on the latest ESP-IDF release and runs stably for 24 h in bench tests. 3. Any n...
...extra speed while keeping power consumption under control. You will start by analysing the schematics, BOM, and test data I provide. From there, I expect clear recommendations—whether that means re-routing critical traces, choosing faster interfaces, streamlining the memory hierarchy, or proposing other intelligent changes. Once we agree on the direction, you’ll deliver the updated design files (Altium or KiCad preferred), annotated schematics, and a concise report showing the projected performance gains plus any trade-offs introduced. Please highlight relevant projects you’ve done in hardware optimisation, especially if they involved tight timing budgets or high-speed buses. If you have your own test methodology or simulation tools (e.g., SPICE, SignalIntegri...
...processor or an off-the-shelf emulation SoC—whichever you feel is most practical—so long as latency is low and the cartridge slot remains the primary game source. Please propose the silicon and any companion chips you believe fit the brief; I have no fixed preference. I have rough sketches for the overall look I’m going for that I can provide. Your tasks include schematic design, PCB layout (KiCad, Altium, or your preferred tool), BOM with readily available parts, and firmware or bootloader setup necessary for cartridge access and display/audio output. Intermediate-level expertise is fine; what matters is clean, well-documented work that can move to small-batch manufacturing without surprises. Deliverables 1. Complete schematics (PDF + native file) 2. PCB la...
...component choices rated to handle continuous high amperage, not just momentary peaks. Feel free to suggest whether a discrete rectifier stage, a switched-mode topology, or a hybrid arrangement makes most sense—so long as the final output stays clean and well-regulated at 120 V DC. Please include the following in the submission: • Complete circuit diagram in PDF or an editable CAD format (KiCad, Altium, or LTspice are all acceptable). • Bill of materials with part numbers, voltage/current ratings, and brief sourcing notes. • Short design note explaining how the protection features are implemented and how to scale them if I later uprate the motor. • Test points you recommend for commissioning and troubleshooting. I’ll review the schematic aga...
...power circuitry, and ESD protection should be included so the board enumerates as a HID device once I flash firmware. • Diode matrix: through-hole or SMD diodes are fine as long as every switch line is properly isolated. • Components: choose only parts available in JLCPCB’s Assembly library to guarantee turnkey manufacturing. Deliverables - Schematic and PCB source files (KiCad preferred, Altium acceptable). - Gerbers, BOM (with LCSC numbers), and the JLC pick-and-place/CPL file. - Short DFM checklist confirming clearances, stack-up, and panelisation meet JLC guidelines. - One revision round after I review the first draft. If you have recent experience pushing complex keyboard or button-based PCBs through JLCPCBA, even better. Let’s get this bo...
...This involves a custom magnetic locking mechanism and a 6-pad pogo-pin interface for data/power transmission. Final Deliverables Required: For Electronics: Complete Gerber files (RS-274X), NC Drill files, Pick & Place files, and updated BOM. For Mechanics: 3D CAD files (STEP format) and native files (SolidWorks, Fusion 360, or Altium) ready for CNC machining/injection molding at our partner facility (NexPCB). Required Skills: Advanced experience in PCB Design (Altium Designer, KiCad, or Eagle). Advanced experience in 3D Mechanical CAD (SolidWorks, Fusion 360). Prior experience designing wearable or portable medical devices. Strong understanding of DFM (Design For Manufacturing) and DFA (Design For Assembly) for Chinese factories. To Apply: Please include in yo...
I need a double-layer, signal-processing board laid out in Altium Designer and prepared for fabrication at JLCPCB. The finished board will fit inside a 15 cm × 15 cm envelope, so component placement, routing, and keep-outs should respect that medium-size constraint. Deliverables I expect: • Complete Altium project with schematics and PCB layout • Optimised Gerber, drill, and pick-and-place files matched to JLCPCB’s specs • BOM with manufacturer part numbers and assembly notes I will review the design by importing the files directly into Altium and running JLCPCB’s online DFM check; the job is complete once the files upload without errors and the board passes ERC/DRC.
...design. Roles Needed: 1. Mechanical Engineer - Experience with CAD software (Fusion 360 preferred but not required) - Design and improve a 3D-printable prosthetic hand/arm - Work with servo-driven mechanisms for finger movement - Ensure parts are strong, lightweight, and easy to assemble - Help optimize the design for 3D printing 2. Electrical Engineer - Experience with PCB design (KiCad, Altium, EasyEDA, or similar) - Design a custom PCB to control and integrate: - 11 servo motors - 5 EMG muscle sensors - 2 oximeter sensors to measure blood oxygen (SpO₂), heart rate, blood pressure, and body temperature - ESP32 or Arduino-based controller - Implement power management for a battery-powered system - Provide schematic, PCB layout, and BOM Project Details - The arm w...
...design. Roles Needed: 1. Mechanical Engineer - Experience with CAD software (Fusion 360 preferred but not required) - Design and improve a 3D-printable prosthetic hand/arm - Work with servo-driven mechanisms for finger movement - Ensure parts are strong, lightweight, and easy to assemble - Help optimize the design for 3D printing 2. Electrical Engineer - Experience with PCB design (KiCad, Altium, EasyEDA, or similar) - Design a custom PCB to control and integrate: - 11 servo motors - 5 EMG muscle sensors - 2 oximeter sensors to measure blood oxygen (SpO₂), heart rate, blood pressure, and body temperature - ESP32 or Arduino-based controller - Implement power management for a battery-powered system - Provide schematic, PCB layout, and BOM Project Details - The arm w...
...Bidirectional pins should use the correct bidirectional representation. Active-low pins should show the inversion or overbar indication. Similar standard symbol-level markings should be supported wherever applicable. Cross-Tool Electrical Type Mapping Another very important requirement is that electrical pin types must map correctly across all supported EDA export formats. For example: If exported to Altium, the pin type should match Altium’s supported type system. The same should apply to OrCAD, KiCad, Eagle, Expedition, and similar tools. Electrical meaning must not be lost during export or conversion. Built-In Symbol and Library Features The tool should include a built-in library of default generic and discrete symbols, such as: Resistor Capacitor Inductor Transfo...
...design. Roles Needed: 1. Mechanical Engineer - Experience with CAD software (Fusion 360 preferred but not required) - Design and improve a 3D-printable prosthetic hand/arm - Work with servo-driven mechanisms for finger movement - Ensure parts are strong, lightweight, and easy to assemble - Help optimize the design for 3D printing 2. Electrical Engineer - Experience with PCB design (KiCad, Altium, EasyEDA, or similar) - Design a custom PCB to control and integrate: - 11 servo motors - 5 EMG muscle sensors - 2 oximeter sensors to measure blood oxygen (SpO₂), heart rate, blood pressure, and body temperature - ESP32 or Arduino-based controller - Implement power management for a battery-powered system - Provide schematic, PCB layout, and BOM Project Details - The arm w...
...source — EasyEDA, KiCad, or Altium) 2. PCB layout (editable source) 3. Gerber files (RS-274X) — ready for submission to JLCPCB/PCBWAY 4. BOM in JLCPCB/PCBWAY assembly format 5. Pick-and-place / centroid file (for PCBA) 6. 3D render (top + bottom views) 7. Design review notes — any changes, questions, or recommendations 8. Confirmation that GPIO pin map matches `config.h` exactly **Prototype build (optional — please quote separately):** 9. 3–5 assembled prototype boards 10. Basic functional test (power-on, modem registration, GPS fix, deep sleep current, trigger wake) Production fabrication (Phase 2, 50–100 units) will be handled by a dedicated fab house — not part of this engagement. Skills Required - PCB schematic capture and layou...
I need a custom-designed PCB for home automation applications, built around the ESP32 DevKit V1. The PCB will control: - AC loads via Omron G5LE SPDT relays, optocouplers, and BJT drivers. - AC dimming (lamp/fan) using MOC3020 opto-driver + BTA16 TRIAC. - DC loads (like RGB LED strips) using IRF5...KF301 series connectors - Improvement related safety - Songle high Power 30a relay replacement - 240ac to 5v 2a DC power supply design - Require editable full source file Ideal skills and experience: - Expertise in PCB design - Experience with high-voltage and low-voltage circuit integration - Familiarity with ESP32 and home automation systems - Proficient in using design tools like KiCAD or Altium or EasyEDA Please provide samples of previous work and an estimated timeline for c...
...I/O interface, and embedded controller is wired and programmed. Once that knowledge is captured, I want a refreshed design that removes today’s failure points and is ready for a short production run. Work starts with non-destructive teardown, high-resolution imaging, net tracing, and firmware dumping via JTAG/SWD or any other proven technique. From there the task moves into schematic recreation (Altium Designer or KiCad preferred), BOM generation with current components, and a clean two-to-four-layer PCB layout that factors in signal integrity and thermal performance. On the firmware side, a well-commented disassembly or decompilation is expected so I can decide whether to keep, refactor, or fully rewrite the codebase. Deliverables • Complete reverse-engineered sch...
We are looking for a skilled Embedded Hardware Engineer to design a custom electronics board for our product. The project involves developing the complete hardware archite...manufacturing and assembly files Technical Requirements • Experience with embedded systems and microcontrollers • Knowledge of communication interfaces such as UART, I2C, SPI, CAN, USB • Experience designing power management circuits (DC-DC, LDO regulators) • Ability to design high-quality PCB layouts for reliable performance Tools Preferred Experience with EDA tools such as: • KiCad • Altium Designer • Autodesk Eagle Deliverables • Schematic design files • PCB layout files • Gerber files for fabrication • Bill of Materials (BOM) • Pick ...
...bets slide, and pots grow, then pass clean data to the software team through a simple API or wired interface of your choice. Key expectations • Robust HF antenna array layout sized for a poker table, including multiplexing strategy to handle >100 simultaneous tags without collisions or dead zones. • Reader, controller, and MCU/FPGA selection with justification, full schematics and PCB files (Altium, KiCad, or similar). • Tag specification sized for standard casino chips, with guidance on orientation tolerance and shielding. • Firmware outline or example code that streams tag UID and RSSI fast enough for smooth betting actions. • Bill of materials, power budget, and wiring harness diagrams so I can hand everything straight to my prototyping sho...
I’m building a small-footprint PCB around the ESP32 that will serve as the core of several IoT devices. The board must expose reliable ...sensors; I haven’t finalised the exact parts, so leave room on I²C and a couple of ADC/GPIO lines for temperature, humidity or motion modules. • Production files: Gerbers, drill, pick-and-place, and a clean BOM with part numbers available from JLCPCB/LCSC or a similarly priced house. • Brief bring-up guide so I can flash and test Wi-Fi/BLE as soon as boards arrive. Feel free to work in KiCad, Altium, or Eagle—whatever gets me manufacturable files fastest. If you have suggestions on antenna tuning, component substitutions, or clever ways to simplify assembly, I’m all ears. Looking forward to collaborating...
I need a double-layer, signal-processing board laid out in Altium Designer and prepared for fabrication at JLCPCB. The finished board will fit inside a 15 cm × 15 cm envelope, so component placement, routing, and keep-outs should respect that medium-size constraint. Deliverables I expect: • Complete Altium project with schematics and PCB layout • Optimised Gerber, drill, and pick-and-place files matched to JLCPCB’s specs • BOM with manufacturer part numbers and assembly notes I will review the design by importing the files directly into Altium and running JLCPCB’s online DFM check; the job is complete once the files upload without errors and the board passes ERC/DRC.
I have three existing Altium Designer projects that must be refreshed before the next manufacturing run at JLCPCB. Both the schematic and the board layout need attention. On the schematic side I already know the exact edits: a handful of parts have to be added or removed, several nets must be reassigned, and a few voltage- and current-related values updated. Once those changes are in place the PCB layouts have to be brought in line—rerouting where required, keeping the original board outlines and mechanical constraints intact, and making sure every DRC/ERC check comes up clean. When the files are solid I need a full, ready-for-upload manufacturing package: • Updated Altium project files (.PrjPcb, .SchDoc, .PcbDoc) • Gerber and NC-Drill set generated with J...
...ESP32-S3, ESP32, or a similar MCU capable of driving HUB75 displays. It must support 9V–36V DC power input and include appropriate voltage regulation, reverse polarity protection, transient protection, and ESD protection. The system will operate outdoors, therefore the hardware should be designed for −20°C to +60°C operating temperatures and high humidity environments. The PCB must be designed using Altium Designer and be ready for manufacturing. Deliverables should include schematics, PCB layout, Gerber files, BOM, Pick & Place files, and basic manufacturing documentation. Components should preferably be selected from Özdisan Electronics () to ensure reliable supply for production. We are looking for engineers with real experience in industrial PCB...
Freelance Hardware Engineer – Altium PCB Design Review (Remote Access) We have an existing Pulse Converter PCB designed using Altium Designer and are looking for an experienced freelance hardware / PCB design engineer to perform a technical design review. The work will be done via remote access to our computer (AnyDesk / TeamViewer). Design files will not be shared. Detailed circuit functionality and design context will be explained after mutual agreement and confidentiality alignment. Scope of Work: Review the schematic and PCB layout in Altium Designer and identify potential design issues, risks, and improvement points, including but not limited to: Power input and regulation (wide-range DC input) Relay driver circuits Optocoupler-based pulse input circui...
...current range once we start, so your design must be adaptable within those limits. What I expect to receive 1. Schematic with clearly labeled protection stages (detection, quench, reset). 2. Bill of materials with manufacturer part numbers for easy sourcing. 3. Simulation files or oscilloscope screenshots that prove reaction time under a simulated arc fault. 4. PCB layout files (KiCad, Altium, or similar) ready for fabrication. 5. Brief application note describing installation, tuning, and any thermal considerations. If you routinely work with RF power electronics and have experience in fast solid-state crowbar or clamp circuits, this will be straightforward. Please outline the core approach you intend to take—whether that’s high-speed MOSFET crowbar, SCR ...
...unique HWID at manufacture, and expose a Modbus-compatible register map to the HMI as well as secure MQTT to the cloud. Built-in self-diagnostics, battery-backed RTC, emergency-stop circuitry and multilayer protection (voltage, temperature, pressure) are mandatory to meet GMP, FDA and ISO expectations for validated environments. Deliverables I will review • Schematic, PCB layout and stack-up (Altium or KiCad) • Complete, production-ready BOM with lifecycle status • Gerber/ODB++ files plus assembly drawings • Firmware skeleton that proves sensor polling, alarm routing and cloud publish/subscribe • Test plan that demonstrates compliance with the protections and self-diagnostics outlined above Acceptance criteria: the board must boot from battery...
...supply) GND Signal Output The piezo sensor will be soldered directly to pads on the PCB. Deliverables The freelancer must provide the following files: • Complete schematic • PCB layout • Gerber files (for PCB manufacturing) • BOM (Bill of Materials with component values and part numbers) • CPL / Pick-and-Place file (for automated assembly) • Full editable project files (KiCad / Altium / EasyEDA) The design must be ready for manufacturing and SMT assembly (for example JLCPCB or PCBWay). Existing Design I will provide photos and information about the current preamp so the engineer can understand the functionality and replicate the circuit behavior. Experience Required Experience in the following areas is highly preferred: •...
...schematics and PCB layouts ready for fabrication • Complete BOM with modern, readily available components • Gerber, pick-and-place, and assembly drawings • Clear integration notes so the refreshed boards drop straight into the existing C-based environment • Validation plan outlining how we will confirm the noise reduction and communication stability targets have been met I am tool-agnostic—Altium Designer, KiCad, or equivalent are fine—so long as the output files follow industry standards. When you respond, highlight projects where you have tamed electrical noise, routed high-speed video, and rescued temperamental comms links; that hands-on experience will weigh heavily in my selection. If you are confident you can deliver quieter, cl...
...(NMEA‑style) - NMEA 0183‑style serial interfaces - Connectors and I/O suitable for a small boat/embedded environment - eDP interface for an external display - PCB layout: - 4‑layer stackup with proper impedance control for eDP - Reasonable attention to EMC/EMI and robustness for a industrial environment - Deliverables (for the “design‑only” option): - Schematic files (KiCad or Altium – please state your preferred tool) - PCB layout files - Fabrication package: Gerbers, drill files, pick‑and‑place, stackup, and BOM Future work and possible extensions - If this first board works well (prototype tested and reviewed), I plan around 4 additional designs of similar complexity over time, which I would prefer to assign to the sam...
I am building a tiny GPS tracker device for my company and need an experienced PCB designer. Project Requirements: - Design schematic and PCB layout for a compact GPS tra...PCB layout for a compact GPS tracker. - Use SIM7080G (LTE/NB-IoT with GNSS) module. - Include SIM card slot, GPS antenna connector, LiPo battery connector, and charging circuit. - Board size should be approximately 18 mm x 20 mm. Deliverables: - Complete schematic - PCB layout - Gerber files for manufacturing - Bill of Materials (BOM) - Pick and Place file (optional) Preferred Tools: KiCad, Altium Designer, or EasyEDA. Experience Required: - Experience designing IoT or GPS tracking devices - Knowledge of RF layout and antenna placement Budget: $30 – $50 (negotiable) Please share examples of previou...
...to recreate that board in Altium Designer as an exact, bit-for-bit copy—same dimensions, traces, footprints and reference designators—so the migrated file can drop-in-replace the original. Once the design lives in Altium, prepare a complete production package for JLCPCB consisting of: • Gerber set generated with Altium’s CAM outputs • Pick-and-place centroid file (CSV) referenced to the board origin JLCPCB expects • Clean BOM that matches the Altium project and includes LCSC part numbers and JLCPCB’s preferred column headings Please keep the design locked as-is; no routing or placement tweaks. Organise the schematic sheets and PCB libraries so I can add components later without breaking the existing layout. Deliv...
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). -PCBA implementation with JLCPCB Acceptance criteria – Board passes electrical rule checks and is ready for fabrication without edits. I will provide exact sensor part numbers, preferred connectors, and enclosure dimensions after kickoff; you are free to choose regulators, clocks, and protection components so long as you stay within a 3.3 V rail and keep the BOM cost-effective.
I need an experienced PCB designer to edit an existing single-sided PCB design. The current design is in Altium and requires modifications for testing and validation. Requirements: - Change component placement - Route traces Ideal Skills and Experience: - Proficiency in reading and editing Altium - Experience in PCB design, especially for testing purposes - Attention to detail and precision Please provide examples of previous work.
I need a complete driver—both hardware interfacing notes and production-ready firmware—that talk to and power a 24-bit parallel RGB888 TFT LCD for displaying ONLY one colour across the entire screen at time. Scope • Hardware side: deliver a working MVP prototype driver for the display Maxen MX-B10HR501K-IS23 (datasheet attached), plus a concise schematic and BOM I can drop into Altium. • Firmware side: deliver clean, well-commented C/C++ code that initializes the panel, streams frame data at full 24-bit depth, and exposes a callable colour-calibration routine. Key requirements • Works with a standard RGB888 timing spec (VSYNC, HSYNC, DE, PCLK). • Runs on STM32 and TPS651 (Open for sugestions). • Colour calibration must let me adjust g...
...estimate manufacturing cost at scale and set viability targets. Where multiple component choices exist, highlight the trade-offs (e.g., reliability versus unit price) rather than listing every option. Please include a detailed project proposal that outlines: • Your development approach from concept sketches through production-ready files • Key engineering tools you will use (SolidWorks, AutoCAD, Altium, or equivalents) • A timeline that meets an ASAP delivery expectation, broken into milestones for design, sourcing, and cost analysis • Any past experience with vending systems, kiosk hardware, or smart locker mechanisms that supports your plan Acceptance criteria: 1. 3D CAD files and engineering drawings ready for fabrication 2. Electrical schematics ...
I need an experienced PCB designer to edit an existing single-sided PCB design. The current design is in Altium and requires modifications for testing and validation. Requirements: - Change component placement - Route traces Ideal Skills and Experience: - Proficiency in reading and editing Altium - Experience in PCB design, especially for testing purposes - Attention to detail and precision Please provide examples of previous work.
...later be ported to the final hardware. Please include links or brief descriptions of past work that shows: • clean, well-documented schematics or board files for consumer products, • embedded firmware you wrote from scratch, and • any user interfaces you have designed for limited-button or accessibility-focused devices. Deliverables I am expecting at each stage: • Complete schematic (KiCad or Altium preferred) with BOM • Initial board file ready for DFM review • Compilable MCU firmware with build instructions • Clickable or emulator-based UI demo clearly reflecting the remote’s pared-down workflow Clear, maintainable files and commented code will serve as the acceptance criteria for every milestone. I am ready to start as soon...
**Project Title...for input 9. Potentiometer for analog input 10. Sensor connectors (for ultrasonic sensor, line sensor, etc.) 11. External expansion connectors for modules 12. Display connector (I2C OLED support) 13. Crocodile clip holes for easy student experiments **Board Requirements:** * PCB size approximately 100mm x 100mm * Educational friendly layout * Clear labeling for students * Designed in KiCad or Altium * Deliverables should include: * Schematic files * PCB layout * Gerber files for manufacturing * Bill of Materials (BOM) **Purpose of the Project:** This board will be used in robotics kits for schools under my STEM education program. If you have experience designing development boards or robotics hardware, please share examples of your previous PCB work. ...
I have a schematic image (BMP file) and a bill of materials that now need to become a fully captured design ready for manufacture at JLCPCB. Your first task is to recreate the schematic as shown, using whichever of Eagle, KiCad or Altium you feel most comfortable with. Once the schematic is verified, move on to the PCB. The PCB Dimensions are 65mm by 65mm with rounded corners. Deliverables I need at hand-off: • Native CAD files for the schematic and PCB • Gerber, drill and JLCPCB fabrication outputs • Pick-and-place file, centroid data and updated BOM for assembly • PDF schematics and board plots for quick review You are welcome to ask if you have any questions or require more detail, thank you.
...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-engineering. Preferred tools are Altium Designer for schematic and PCB layout, LTspice or a similar simulator for the analog portions, and a quick Python script for bench-top validation, but I’m flexible if you can justify an alternative. Deliverables: • Complete schematic and PCB layout files • BOM with manufacturer part numbers and estimated lead times • Simula...
...creepage/clearance for the voltage levels present - Space for CE/UKCA marking on silkscreen - RoHS-compliant component selection The specification document includes a detailed compliance guidance section, but the designer is expected to apply professional judgement and add any additional protection circuitry necessary to achieve compliance. Deliverables: Schematic — full schematic capture in KiCad or Altium (preference for KiCad but flexible) PCB layout — production-ready layout with DRC clean Gerber files — ready for fabrication BOM — complete bill of materials with manufacturer part numbers and supplier links Assembly drawings — component placement and orientation Design review — one round of review against the specification before layout, ...
We are building a solar-powered, low-power IoT field device used outdoors in orchards. We need an experienced ...management, stable rails, protection, brownout handling, and power-path switching 3) Interfaces for MCU + peripherals (camera, GNSS, cellular modem, temp/humidity sensor, RTC/power scheduler) 4) Connector selection, ESD/weather-related protection considerations, test points, and design for manufacturability Deliverables: production-ready Gerbers, BOM, pick/place, schematic, and design files (KiCad/Altium—your preference) Nice to have: Prior experience with solar/battery powered IoT hardware, cellular modems, and rugged outdoor electronics Please include examples of similar PCB projects (power + IoT) and your recommended approach for ensuring low-power reliability...
We are looking for a skilled PCB Design Eng...development of our custom electronic product. Project Scope: * Rwview and improve existing schematic (if required) * Design complete PCB layout (2–4 layers) * Ensure proper grounding, power routing & signal integrity * Component selection (preferably JLCPCB / PCBWay stock) * Generate manufacturing-ready Gerber files * Provide final BOM and assembly files Requirements: * Experience with KiCad / Altium / EasyEDA * Strong knowledge of power supply design * Familiar with ESP32 / STM32 or similar MCUs * Understanding of communication protocols (UART, I2C, SPI, CAN, RS485) * Experience preparing boards for mass production Deliverables: * Final schematic files * PCB layout files * Gerbers & fabrication package * BOM with man...
...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 firmware development. • Use of "best-in-class" design and simulation software: Altium Designer, KiCad, or another platform that ensures thermal analysis, signal integrity verification, and credible power simulations. Expected Deliverables - Final schematics with optimized bill of materials. - Production-ready PCB layout (JLCPCB, Gerber, pick-and-place, stack-up). - Simulation reports (thermal, current, transients). - Working ESP32 firmw...
...Master’s in: - Electrical Engineering - Electronics & Communication - Mechatronics - Embedded Systems 3+ years of hands-on experience in: ● BLDC motor control systems ● Embedded firmware development ● PCB design & hardware debugging ● RF communication systems --- Technical Skills Required: Mandatory: ● BLDC control (FOC preferred) ● PID tuning and control theory fundamentals ● PCB design tools (Altium / KiCad / Eagle) ● Embedded C/C++ ● Oscilloscope and hardware debugging expertise ● Communication protocols (UART, SPI, I2C, CAN) ● RF modules and wireless data handling ● Raspberry Pi or Linux-based embedded systems Preferred: - RTOS (FreeRTOS) - EMI/EMC mitigation techniques - Motor driver IC integration - Signal integrity analysis - MATLAB/Simulink for control mo...
...have a clear keep-out zone and consider the dielectric effect of the resin. 5. Firmware Requirements Bootloader: Compatible with Adafruit or Seeed nRF52 Bootloader. Functionality: HID Keyboard/Media profile. Must support "Consumer Control" reports for mobile devices. Stability: Fast re-connection logic (Auto-connect to last paired device). 6. Deliverables EDA Source Files: KiCad (preferred) or Altium files. Manufacturing Package: Gerber (RS-274X), Drill files, BOM (Excel with LCSC Part Numbers), and CPL (Centroid/Pick & Place file). PDFs: Complete schematic and Assembly drawing. Pinout Map: Clear documentation of MCU pins assigned to each function for Arduino Sketch porting....
...mainstream distributors and suitable for industrial temperature ranges. Please flag any supply-chain risks and propose second-source options where practical. • Layout – a fully routed PCB that meets standard DFM guidelines and keeps EMI in mind. The final deliverable should include Gerbers, drill files, the original CAD project, and a PDF of the assembly drawing. I am flexible on the CAD platform; Altium, KiCad, or Eagle are all acceptable as long as I receive the native files. If you prefer another tool, let me know upfront. Before we wrap up, I would like a quick design review session to walk through your decisions and any trade-offs you made. Once we close that loop, I will send the board for fabrication and confirm everything checks out....
我正在开发一款带有智能 LED 的硬件模组，主控ESP32，需要一位经验扎实的硬件工程师协助完成从原理图到 PCB 连接图的设计。核心需求如下： • 智能 LED 电路：请为多颗可寻址 LED 设计驱动与电源部分，确保亮度与色彩控制稳定，并预留固件升级和热管理方案的接口。 • 无线通信接口：电路板需同时支持 Wi-Fi 与蓝牙，方便后期通过手机 App 或云端进行调光与状态监测。 • PCB 设计：输出完整的原理图、布线文件（Altium Designer 或 KiCad 均可）、Gerber、BOM 以及关键布线规范说明，力求尺寸紧凑、EMI 控制良好。 • 生产可行性：器件选型应以量产常用料为主，并在文档中标明替代料号。 • 交付物： 1. 原理图（PDF + 源文件） 2. PCB Layout（源文件 + Gerber） 3. BOM 与简要成本预估 4. 设计说明书（含测试要点与校准建议） 如有成功设计智能灯带、氛围灯或类似消费电子产品的经验，请在回复中简述项目要点与所用工具版本。我会根据方案完整度与以往案例选择合作。
...(EU/CH preferred) • Industrial protection strategy implemented and justified • Layout follows EMI discipline (loop minimization, return paths, domain separation) • Ready for turnkey manufacturing and assembly Skills Required • Industrial PCB design (24V systems) • EMI/EMC awareness & layout discipline • ESP32 RF layout experience • Power integrity / protection design • CAD tool: KiCad or Altium (state which you use) To Apply (Screening Questions) Please answer briefly: 1. Which CAD tool will you use, and can you deliver full source files? 2. Show 1–2 examples of industrial 24V boards you designed (or similar noisy environment designs). 3. Describe your 24V surge + reverse polarity + EMI input strategy. 4. How will y...
Microcontroller PCB / schematics design in Altium
