Swappable 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...
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6-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 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 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 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 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 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 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...
Read moreCustom Dog RFID Fabric Tag
I need a single RFID tag that I can sew into my dog’s harness. The chip must arrive pre-encoded with one specific numeric ID that I will provide after the contr...
Read moreKiCad LED PCB update
I have an existing optical board designed in KiCad. I need to replace the muiled (SFH7016) with 3 discrete leds and move PDs aside to make place. • update the s...
Read moreHeat Stress Wearable Prototype
I’m building a compact, wrist-style wearable that keeps workers safe by tracking three key indicators in real time—skin temperature, heart-rate and sweat level—...
Read moreRF-Controlled LED Task Lighting Setup
I need an RF-controlled LED lighting setup for indoor task lighting. The project involves setting up three sets of LED lights, each set containing 12 LEDs. Requ...
Read moreAutomotive Mitsubishi PLC & HMI Programming
I need a seasoned controls engineer to write and commission the complete PLC logic and matching HMI screens for an automotive application running on Mitsubishi...
Read moreKiCad Schematic and Board Layout Review and corrections
I have a KiCad schematic and board layout and now need a second set of expert eyes before sending it to fabrication at JLCPCB. The board carries two USB-C 5v 3a...
Read more4 Amp Industrial LED Boost Driver
I need a robust constant-current boost converter that can feed constant 4 Amp to my industrial LED string of 12 LEDs each having forward voltage 3.2V. The suppl...
Read moreUSB Resin Art Lighting Circuit Design
I am putting together a new resin-art piece that combines two separate lighting effects: • a small, ready-made neon USB sign that already runs from a USB-A male...
Read moreLED Driver Circuit Design - 26/05/2026 15:41 EDT
Constant Current LED Driver Circuit. Requirements: - The circuit should have an input voltage of 10-60 VDC. -Output LED string voltage 2-52 VDC - It should prov...
Read morepcb design
We are searching for experienced freelancer with handson experience designing pcb for production with onboard esp. Please contact me for more information.
Read moreFlexible PCB Design in EasyEDA
I need a complete EasyEDA project for a flexible PCB that will sit inside a compact consumer-electronics enclosure. The board’s sole job is power management, so...
Read moreHardware Prototype for Smart Water System
We are seeking an experienced hardware engineer to collaborate on developing a prototype for a smart water valve. The hardware engineer will be responsible for...
Read moreUrgent: KiCad pcb board with power management issues
Currently i have a pcb, which makes use of an arduino and a meshtastic radio module, The board is supposed to be setup such that it is compatible with (switched...
Read moreFreelance Electrical Engineer Needed (UK Only)
Electrical Engineer – Adhoc / Freelance Support (UK based only- Fully Remote) Location: Remote, with occasional site/workshop support if required Engagement: Fr...
Read moreCompact Prototype PCB Layout
I have a simple circuit that now needs a professionally routed PCB so I can move from breadboard trials to repeatable prototypes. The schematic is finished and...
Read moreMultilayer Medical PCB Design
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 cleara...
Read moreAltium Multi-Layer PCB Design
I need a multi-layer board laid out in Altium Designer for a new consumer-electronics product. All core circuitry is already defined in a draft schematic; what’...
Read moreOn-Site Soldering Microelectronics Specialists Needed
We are seeking 20-30 skilled soldering experts for a PCB project, specifically for a drone, to work on-site in Atlanta, GA (575 Wharton Dr SW, Atlanta, GA 30336...
Read moreKiCad PCB Designer — ESP32-S3 Stepper Controller (Compact, JLCPCB-ready)
Hi! Looking for an experienced KiCad PCB designer to take a partially-spec'd stepper motor controller from a paper concept to a manufactured-ready package. This...
Read moreElectrolysis Power Supply PCB Design
I am putting together a dedicated power-supply/driver for silver-ion electrolysis in distilled or otherwise very low-conductivity water and need a complete, pro...
Read moreCompact PCB Design for Radio - 25/05/2026 13:04 EDT
I need a basic PCB designed for a radio signal processing application. Requirements: - Single-sided board - 7 through-hole components - Compact layout design Id...
Read moreMulti-Layer PCB Custom Design Needed
Hi I will share the details with the shortlisted candidates. thanks
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