RF Engineer for Waveguide Array Review
I need an RF engineer to review the design of a Dielectric Filled slotted waveguide array that I designed. I need a full simulation using CST or similar deliver...
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Arduino-Controlled Automatic Latch System
I have an Arduino Uno on hand and want to turn it into the brains of a small automatic latch setup. The end goal is simple: when a trigger signal is received, t...
Read morePCB Design and Circuit Optimization - 4 Layers Circuit 12*12 cm
Scope of Work & Deliverables 1. Circuit & Component Simulation Validate and simulate critical sub-circuits and component behaviors before moving to the layout s...
Read moreUniversal TV Remote Prototype Development
Complete Prototype Development Project Thank you for reviewing my project. My goal is to develop a working proof-of-concept prototype for, a universal rechargea...
Read moreArduino SEQLOCK V1 PCB Design
PROJECT: SEQLOCK V1 COMPONENTS LIST: Arduino Nano (U1) Buck converter MP1584EN 12V→5V (U2) Relay TONGLING SRD-05VDC-SL-C (RLY1) Transistor BC547 (Q1) Diode 1N40...
Read moreESP32 LoRa-UWB RTK Tracker Prototype
I’m building a proof-of-concept vehicle tracker that pairs the flexibility of an ESP32 with both LoRa and UWB radios and adds an RTK-capable GNSS module for cen...
Read moreOp-Amp PCB Split Redesign
I already have a complete, proven op-amp schematic with a matching single-board layout. For my next round of experiments I want to separate that design into fou...
Read more5W Class-AB Amp PCB Design
I need a compact 5 W class-AB audio amplifier that can run from a single 12 V supply. Your task is to create the full KiCad project—clean schematic, well-routed...
Read moreSwappable NE5532 Audio Preamp PCB
I want a small, low-noise pre-amplifier built around the NE5532, powered from an external ±15 V AC adapter. The board will slot straight into my DIY projects, s...
Read moreElectrical Maintenance Guide Translation
I have several English-language maintenance guides that focus on electrical components, and I need them translated with complete accuracy and respect for the or...
Read moreIndustrial Designer — Connected lifestyle device / NDA required
Senior Industrial Designer — Connected lifestyle product I am developing a premium consumer connected device for the bedroom, combining ambient features, displa...
Read more6-Layer Eagle PCB Routing
The schematic is finalized and the parts are already placed in Autodesk Eagle; what remains is a clean, production-ready route across six layers. Two internal p...
Read moreHeadphone Manufacturer Partnership - OEM/ODM - MOQ 100+ Units - Global Clients Welcome
We are Dongguan Yagu Commerce Co., Ltd, a professional headphone OEM/ODM manufacturer based in Dongguan (Greater Shenzhen area), China, with 10+ years of experi...
Read moreDrag-Drop SLD Data Visualizer
### Core Architecture - **Frontend (Desktop or Web)** - **Drag‑and‑Drop Canvas**: Users place electrical components (breakers, transformers, meters, etc.) on an...
Read moreSmart Wax Pot Prototype Development
Smart Wax Pot Prototype for Professional Estheticians I am a licensed esthetician and spa owner looking for an Electrical Engineer and Product Designer to help...
Read morePrototype Development for Small Products
I need a skilled maker to assist in developing prototypes for general small and relatively products. Happy to consider a junior with limited experience who is h...
Read moreChinese engineer for GR5331AENI + GH3026 Prototype Board
I am building a compact prototype that combines the Goodix GR5331AENI Bluetooth SoC with the GH3026 AFE and optical sensors on a single PCB for early-stage eval...
Read morenRF9151 IoT PCB Tasarımı
DA / Tasarım Programı Şartı Bu PCB tasarımı Altium Designer ile yapılmalıdır. KiCad, Eagle, Fusion, EasyEDA veya başka bir EDA programı bu proje için tercih edi...
Read moreIntrinsically Safe Cooling Helmet Design
A custom safety helmet with a built-in cooling fan is required for industrial work in Class I / Zone 1 hazardous areas. The entire solution must be engineered f...
Read more6-Layer 1000-Pad PCB Layout
The full schematic is complete in KiCAD; what I now need is a production-ready 6-layer layout of roughly 1 000 pads for an item of industrial equipment. The des...
Read moreESP32-S3 IoT Schematic and PCB Design
I’m looking for a designer who can take an ESP32-S3-WROOM-1-based concept all the way from schematic capture through to a production-ready PCB. The board will i...
Read moreHome and Garage Fire Alarm Setup
I'm looking for a comprehensive heat and fire alarm system for both my garage and home. The system should be self-monitored and include a battery backup. Requir...
Read moreInstrumentation and Contract AI Agent Development for improve productivity and work as my assistant
I’m looking to turn my day-to-day engineering work into a smoother, largely automated workflow powered by AI agents such as Claude, CoWork, or Codex. My core ne...
Read moreArduino Nano VRX Sketch
I need a clean, well-commented Arduino Nano V3 sketch that drives the mm238rw 5.8 GHz eight-channel video-receiver module (datasheet link above). The program mu...
Read moreConvert PDF PCB to Gerber
I need a single-layer PCB layout PDF converted to a Gerber file. The Gerber file should be compatible with PCB manufacturers. Requirements: - Convert PDF to Ger...
Read moreOhm & Kirchhoff Circuit Report
I need a complete, publication-ready write-up for a hands-on verification of Ohm’s law and both Kirchhoff laws. You will replicate have to read everything in th...
Read moreIndustrial Ultrasonic Cleaner Repair
I need an experienced engineer with small workshop facilities to maintain and repair our range of industrial ultrasonic cleaners on a back to base basis Key tas...
Read moreEgg Device & Docking Prototype
I’m building a palm-sized, egg-inspired enclosure that houses an ESP32-C3, Li-Po cell, charger circuit, voltage regulators, EEPROM and a small buzzer. Its main...
Read moreWellness Pod PCB Defect Debug
I have a childcare wellness-pod product whose PCB is giving us trouble. The first production run revealed multiple defects, so I now need a fresh set of expert...
Read moreAI-Powered Quality Inspection System
I need an AI system to inspect electronics, specifically radios, for defects in a quality control lab. The system should use a camera to view the product and de...
Read moreOrCAD to KiCad Complete Redesign
I’m handing over an entire OrCAD project—schematic pages, PCB layout, and custom part libraries—and I need it reborn in the current release of KiCad. This isn’t...
Read moreFPGA Ising Model Optimization
I need an FPGA implementation for optimizing the Ising model using simulated annealing. The goal is to obtain the energy state configuration. Key Requirements:...
Read moreSignal Processing
I have designed a custom PCB that picks up a small AC signal (~2V amplitude, 10 ns rise time, 250 ns decay) from a sensor operating on a high-voltage DC bias ra...
Read moreDrone Flight Controller PCB Design
I have a new drone project ready for its own compact flight-controller board and I need your help turning the concept into production-ready files. I already kno...
Read moreUrgent Fatek PLC Yarn Pattern Correction
Title: Fatek PLC Slub Yarn Pattern Fix — LFSR Randomization (WinProladder, urgent) Description: We have a thick-and-thin yarn machine controlled by a Fatek FBs-...
Read moreDesign Uranium-Based Perpetual AA Battery
I need a complete engineering pathway for an AA/AAA-sized battery that will draw continuous power from a uranium source so the cell never requires replacement o...
Read moreRaspberry Pi Satellite Hotspot Software
I want to turn a standard Raspberry Pi 4 into a true plug-and-play satellite transceiver: power it up, point the attached SDR-based antenna to the sky, and inst...
Read moreCreación de Informe Técnico: Sistema de Agua
Busco un profesional con experiencia en electrónica, automatización, IoT o documentación técnica para elaborar un informe técnico profesional de un prototipo ya...
Read moreESP32 PCB Reverse-Engineer & Redesign
I have a working ESP32-based board in hand yet no digital files to reproduce it. I need the entire design captured so I can build, tweak and scale it for my own...
Read morePCB Routing Engineer Needed
Looking for an experienced PCB routing engineer for a custom electronics project. Requirements: - PCB layout & routing from schematic - RF / high-speed PCB expe...
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