4G Voice Gateway With DTMF
The copper landline in my area is being decommissioned, so I need a self-contained unit that lets existing telephone gear keep working by hopping onto the 4G ne...
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Draft a double-layer PCB
Hi I will share the details with the shortlisted candidates. Thanks
Read moreCreate Kicad PCB Footprint from Eagle file
I wish to use a Sparkfun GPS module (that has eagle files) in my Kicad project as a daughter board. I would the Kicad footprint for the GPS module that I can us...
Read moreIndoor Industrial Measurement Device
I am looking for an experienced hardware design engineer to develop a production-grade industrial controller PCB based on the ESP32-S3. This is not a hobby proj...
Read morePCB Verification
I need my existing PCB reviewed, verified Deliverables • Design review report showing baseline thermal readings, problem areas, and the chosen improvement strat...
Read moreCompact Ethernet Heartbeat Monitor
I need a hardware designer who can take my concept for a compact “heartbeat” monitor and turn it into a fully-tested PCB that I can drop straight into network c...
Read moreMulti-Layer PADS PCB Design
I am developing an industrial-grade board and need an experienced designer who works comfortably inside Siemens PADS. The job centers on a tight, multi-layer la...
Read moreAdvanced elrs PCB + PCBA + BOM Production
Help with production of elrs pcb + pcba + BOM. Opensource. Available on oshwhub & labs.
Read moreIndustrial Digital Signal PCB Design
I need a compact, reliable PCB that will sit at the heart of an industrial-grade system and exclusively handle digital signal processing. The board should be en...
Read moreCustom RF Control System
I need a matched RF transmitter-receiver pair engineered from the ground up for remote control operation. When the handheld transmitter is activated, the receiv...
Read moreHome LPG Detector Design
I need a complete electronic and mechanical design for a household-grade LPG gas detector that will be mounted in the kitchen. The unit must run from a 230 V AC...
Read morePCB Design Needed as per Chat.
PCB Design Needed as per Chat.
Read moreCustom DC-Controlled Electromagnets Fabrication
I need three compact electromagnets fabricated for integration into a larger prototype. Final outside dimensions will be supplied once we begin, but each unit m...
Read moreUSB-C Upgrade for Omnikey 3021
I want an HID Omnikey 3021 smart-card reader—converted so it connects through a standard USB-C port instead of USB-A, while still providing full-speed data comm...
Read moreFull ESP32 WiFi jamming & bluetooth speaker jammer
ESP32 and Arduino will drive every part of this project, turning ordinary lights and appliances into WiFi-enabled devices that I can switch on or off, schedule,...
Read morePCB Layout Design & Optimization (USB + RS485 | EasyEDA) - 18/04/2026 01:32 EDT
We are seeking an experienced PCB designer to review, correct, and optimize an existing PCB design and provide the layout file with the dxf format Project Scope...
Read moreAutomotive 2-Layer PCB Design
I’m building a compact, two-layer PCB in Altium Designer for the back-light circuit of a bus. The schematic is roughly sketched, component choices are clear, an...
Read morePCB Layout in KiCad
I need a PCB layout based on my schematic. The PCB size is 15x12.5 cm and it will be double-layered. The components used will be both through-hole and surface-m...
Read morePipeline ELF Transmitter Design
I need a complete engineering solution for an ultra-low-frequency electromagnetic transmitter that operates at roughly 22 Hz and fits inside an inline pipeline...
Read moreInteractive Electronics Schematic Design. THIS IS NOT PCB DESIGN PROJECT -- 3
I’m developing a commercial product that relies on a set of interactive elements—speakers, sensors, and LED displays—and I need clean, production-ready schemati...
Read more3D Model & EasyEDA PCB Updates
Hello, We are looking for a freelancer who can handle both 3D design and PCB modifications in EasyEDA. We are specifically seeking someone professional who can...
Read moreSmart Orthotic Insole Electronic Schematic Design
Design a complete electronic schematic for our smart orthotic insole device based on the given system requirements. The circuit will include multiple FSR sensor...
Read more6-S ArduCopter Li-ion BMS
I’m outfitting an ArduCopter that runs 6-cell Li-ion packs and need a purpose-built Battery Management System. The board and firmware must continuously monitor...
Read moreSkin-Facing camera Health Smartwatch Design
I need a complete electronic design for a next-generation health-monitoring smartwatch whose signature element is a high-resolution micro camera mounted flush t...
Read moreSolar Hybrid Inverter Prototyping Help
I am building a new solar-hybrid inverter around an Infineon reference design and need an experienced technical advisor who can work with me on-site in Bangalor...
Read moreExpressPCB+ to Fusion360 PCB Migration
I have a completed audiophile phono-preamp in ExpressPCB+ — schematic and two-layer board — that I now need recreated in Fusion 360 Electronics. The circuit hol...
Read morePADS Binary Schematic Conversion
I have a single PADS Logic schematic saved in its native binary format and I simply need it converted to the equivalent PADS ASCII file. Deliverable • The conve...
Read moreIndustrial IoT PCB Design: Schematic Review, ESP32 Update, Engineering Optimization & Full EasyEDA Layout
I am looking for a skilled electronics/PCB design freelancer for an industrial IoT device. This is not just a simple PCB layout job. The work includes schematic...
Read more"Digital Fossil" – Ultra-Reliable 128GB Automotive-Grade Archival Storage
Project Overview: I am looking for an expert Embedded Systems Engineer to design and build a single, high-reliability storage device meant to last 50 years with...
Read moreIndustrial STM32 4-Layer PCB
PCB Design – STM32 I need an experienced PCB designer to create a 4-layer industrial PCB Requirements: * MCU: STM32 * 4G Module: SIM7600G (GPS + LTE) * Power: 1...
Read moreneed a BOM
Now I need a BOM with part number, gfci and transformer details. Microcontroller code firmware...
Read moreKiCad file from wiring diagram
Hi there amazing freelancers, I have a relatively simple wiring diagram that I need converted to a KiCad file to send out for 3rd party fabrication. Please see...
Read moreRobot PCB & Firmware Optimization
My motor-driven inspection robot already works, but its electronics and code now need a serious upgrade. The mobile unit talks to a control box through a 100-me...
Read moreConsumer Product Design & Development
I am developing a new consumer hardware product that blends traditional cultural design elements with modern technology and usability. The product will be a sma...
Read moreInteractive Electronics Schematic Design. THIS IS NOT PCB DESIGN PROJECT -- 2
I’m developing a commercial product that relies on a set of interactive elements—speakers, sensors, and LED displays—and I need clean, production-ready schemati...
Read moreAir Monitoring System Optimization
I’m upgrading an existing research-grade air-monitoring prototype and need fresh expertise on both its brains and its senses. Right now the unit records basic g...
Read moreModular RP2040 Factory Equipment Design
I am building a set of compact, plug-and-play factory modules—currently a welder, a mixer, and an extruder—driven by a single Raspberry Pi RP2040 brain. For eac...
Read moreSolenoid Board R&D
I am an intern and I am working on a task that needs 4 solenoids that take 20v in very short pulse to operate. I started designing my own PCB board, but I just...
Read moreEmbedded System + PCB + Enclosure for Phone Locking Device
I need an experienced embedded systems engineer to finalize and validate a hardware prototype for a phone-locking safety device used in vehicles. The system inc...
Read moreDiseño Electrónico GNSS-IMU ESP32
Quiero integrar en una sola placa un módulo GNSS RTK de alta precisión, una IMU con acelerómetro, giroscopio y magnetómetro, y un controlador de motor capaz de...
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