Dual-Channel Controller PCB Replication
I’m holding an ageing but still functional dual-channel, 80 A DC reverse controller that was built for industrial truck-tarp systems about fifteen years ago. Th...
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Crossover Design Specialist
I need a skilled designer to develop a crossover for an audio system. Ideal Candidates Should Have: - Expertise in audio engineering - Experience with crossover...
Read moreESP32 Prototype PCB
a simple easy project The board is ready on Bread board and i want to print a PCB in a good way, but i need help. I have done the Schematic on EasyEDA Component...
Read moreMinor PCB Layout Tweaks
I already have the full set of design files for this board and only need the layout adjusted. The schematic stays as-is; the job is strictly about updating the...
Read morePCB Design Editing Needed
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 valid...
Read moreSmartDraw Audio Block Diagram Redraw
I need our existing audio block diagram redrawn from scratch inside SmartDraw so it can slot straight into our technical documentation. It is a hand drawn sketc...
Read morePool Cover Control System Overhaul
I need an expert to overhaul the control electronics on our solid swimming pool cover and modify the control circuits. The goal is to improve existing functiona...
Read moreLooking for PCB Layout Partner (Long-term, Stable Work / Altium/PADS)
We are a Korean pcb cad service company with 20 years of experience, seeking to outsource pcb layout tasks, primarily focusing on routing and layout optimizatio...
Read moreOngoing PCB Routing & Layout Partnership
We are a Korean pcb cad service company with 20 years of experience, seeking to outsource pcb layout tasks, primarily focusing on routing and layout optimizatio...
Read moreDeveloping PCB for Ultrasonic Transducer Driver
I'm looking for an experienced pcb developer to create a professional-grade pcb of driver for ultrasonic transducer. Driver should give output 120w 40khz. Key R...
Read moreMedium PCB Design Integration
I'm looking for an experienced PCB designer to integrate several components for a control system product. The PCB will be powered by DC and should be of medium...
Read moreSmart Phone Case Electronics Design & Prototyping
I’ve completed the physical shell for a phone case with a built-in drawer. I now need a freelancer to design and prototype the **electronics + firmware** that d...
Read morePCB designer for a simple LED board
I'm looking for somebody who can fix my pcb, all it has are leds on top
Read moreSingle-Layer Automotive PCB Design
I have an automotive concept that calls for a compact, single-layer printed circuit board, and I need an experienced designer to turn my schematic notes into pr...
Read moreWearable Exoskeleton PCB Design using STM32F767ZIT6 IC
I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electronics onto one compact board. The board must integrate: • Microcontrolle...
Read morePCB Size Reduction Without Circuit or Component Changes
I have an existing ATMS PCB design with current dimensions of 120 mm (L) × 55.55 mm (W). I am seeking an experienced PCB layout designer to reduce the overall b...
Read moreWearable Exoskeleton PCB Design using STM32F767ZIT6 chip
I’m building a wearable exoskeleton and need a dedicated PCB that brings all core electronics onto one compact board. The board must integrate: • Microcontrolle...
Read moreAdvanced Li-Ion Battery Charging System
1. System Overview * Total batteries to be charged simultaneously: 100 Li-Ion batteries * System divided into 5 racks, each rack charging 20 batteries * Each ra...
Read moreEasyEDA PCB 4 Zone Amplifier Design - only open to my previous freelancer in Pakistan - freelancer have messed up - its Graham
I have a consumer-electronics circuit that now needs to move from breadboard to a production-ready printed circuit board. The finished board will be larger than...
Read moreCircuit Board Replication Expert Needed
I'm looking for a skilled professional to help me replicate a circuit board. The circuit board is for a radio device.See below https://kitronik.co.uk/products/2...
Read moreConvert PDF Schematic to OrCAD -- 2
I have a complete schematic saved only as a PDF and I need it redrawn in OrCAD Capture 17.2. The goal is a one-to-one reproduction of the schematic itself—no BO...
Read moreConvert PDF Schematic to OrCAD -- 2
I have a complete schematic saved only as a PDF and I need it redrawn in OrCAD Capture 17.2. The goal is a one-to-one reproduction of the schematic itself—no BO...
Read moreCustom Project Collaboration with Marko
PCB design modifications I have an existing EasyEDA project. It’s an espresso machine control board. I would like to make few changes and would love to get a qu...
Read moreDevice Disassembly & Current Mapping
I have a compact electronic gadget roughly the size of a modern smartphone. For component-testing purposes, I need it taken apart methodically, each part docume...
Read moreNeed Electronics engineer for designing and developing electronic circuit for my hydrophonic project.
Hello, I am developing a compact hydrophonic system. I need an electronic engineer proficient in designing and developing the whole circuit. He/she will have to...
Read moreReverse-Engineer SMD PCB for Reproduction
The task is to take an existing, fully populated SMD-only circuit board (no schematics or documentation available) and recreate it so I can send the files strai...
Read morePCB Design for Bathroom Appliance
I need a PCB designed for a bathroom appliance. The PCB should include a 12V relay and a 5V converter. Ideal skills and experience: - Proficiency in PCB design...
Read moreMulti-Layer Industrial PCB Design
I’m finalising an industrial-grade control module and now need a seasoned PCB engineer to turn my block-level diagram into a production-ready, multi-layer board...
Read more12V Circuit Board Design
I'm looking for a custom circuit board to power a 12V solenoid and a small 12V motor. The circuit board should regulate power supply and remain active until tri...
Read moreCustom Voltage Output Circuit Board
I need a small circuit board that takes two 20VDC hot-swap power inputs and provides multiple voltage outputs. Requirements: - Voltage Outputs: 5VDC, 12VDC, 20V...
Read moreSmart Key Range Booster Build
This is a two-device RF relay system that extends the communication range between a car key and the car. I am looking for only UK developers
Read moreReversing engineering SM-A156E Flex Cable Diagram
I need a fully annotated wiring diagram for the main flex cable on the Samsung SM-A156E (CTC FPCB SI432 SI OCTA). The drawing must capture every track and via,...
Read moreUrgent Audio Transformer Overcurrent Fix
Tôi đang vướng lỗi quá dòng trên bo mạch xử lý biến áp âm thanh và cần một kỹ sư có mặt tại Hà Nội để khắc phục ngay. Mạch hiện hoạt động không ổn định, đo dòng...
Read moreKiCad Schematic and PCB Modification
I need assistance modifying an existing KiCad schematic and PCB layout. Schematic Modifications: - Changing component connections as needed. PCB Layout Changes:...
Read moreLED Clock Kit PCB Layout
I’m putting together a small, beginner-oriented electronics kit and need a clean, well-organized PCB layout to bring it to life. The board’s sole purpose is to...
Read moreMixed-Signal Temperature Front-End
Mixed Signal temperature Sensor Front End Simulate in PSpice. Connect device physics → analog front-end → digital interface. Optimize for noise, bandwidth, powe...
Read moreAD7512-ADG5436 Switch Migration
My existing design relies on the AD7512 protected dual SPDT CMOS analog switch in a 14-pin PDIP package. Production stock has vanished, so I am moving to the An...
Read moreDiseño Profesional de PCB
Requiero el diseño completo de una placa de circuito impreso (PCB) para un ecualizador activo de 3 bandas con amplificador de salida, basado en el esquema ya de...
Read moreConception PCB multicouche personnalisé
Je souhaite la conception d’un circuit imprimé multicouche destiné exclusivement à des composants montés en surface. Le PCB devra impérativement respecter des d...
Read moreModecsoft Tower SLD Design
I need a clean, well-structured single-line diagram created in Modecsoft that covers the full electrical layout for our towers. The focus is on power distributi...
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