Breadboard Wiring & Firmware Development
I am an independent R&D developer prototyping a compact, battery-powered thermal enclosure designed to maintain a strict 25°C internal temperature for sensitive...
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Aqua Solutions – CatoxyPro Integrated Mobile Treatment Platform
We are seeking a highly competent Freelance Automation Engineer to support the design, development, programming, and commissioning of PLC & SCADA systems for wa...
Read moreSmart Moisture Monitor
I want to put an end to guessing when my plants need water by building a small, battery-friendly device that measures soil moisture, pushes the reading to the c...
Read moreEfficient Power Switching Circuit with esp32 controller
Please be careful, you must create the 3 real PCBs; we are not interested in virtual projects. After the 3 PCBs have been successfully tested here in our office...
Read more18K Pool-Cleaning Robot Prototype
I need a working prototype of a compact pool-cleaning robot designed, built, and shipped to Pune by 20 March. Its two core tasks are debris collection across th...
Read moreBluetooth Roadbook Controller for iOS/Android
Design Brief: High-Reliability Bluetooth Roadbook & Multimedia Controller Project Code: RALLY-MEDIA-V3 Target Platform: PCBA (Automotive / Rugged Environment) 1...
Read moreZigbee Thermostat Development
I want help building a simple zigbee device to use as a smart thermostat. its using a esp c6 super mini, screen, 2 buttons and a presence sensor. I have tested...
Read moreCAD to DXF Conversion with 12d
I need a skilled 12d user to convert engineering schematics into DXF format. Minor modifications will be required during the conversion process. Requirements: -...
Read moreSenior Electrical Engineer for Device Schematic Review
We are seeking a senior electrical engineer to perform a professional schematic review of a bio-impedance based glucose measurement device. The system includes:...
Read moreMixed-Use Laundromat Design - 02/03/2026 14:47 EST
I'm seeking a skilled designer to create a functional and appealing layout for a mixed-use laundromat (self-service and full-service). Key areas to include: - W...
Read moreMixed-Use Laundromat Design
I'm seeking a skilled designer to create a functional and appealing layout for a mixed-use laundromat (self-service and full-service). Key areas to include: - W...
Read morenRF52832 RF PCB Layout
I have a nearly finished schematic for a small, nRF52832–based board and now need it turned into a production-ready PCB in KiCad. Before traces are drawn I’d li...
Read moreKiCad PCB Design — RS-485 Temperature/Humidity Sensor
We need a PCB designed in KiCad 8.x for a compact RS-485 sensor node that measures temperature and humidity. Quality, DFM compliance, and proper protection circ...
Read moreSiemens PLC–WinCC SCADA Integration
My WinCC SCADA server still has free tags available, and I want to bring a second Siemens-based machine online so I can capture its data in real time. Your task...
Read moreComprehensive Home Electrical Design
I’m ready to move from rough sketches to a fully-specified electrical design for my new build and need a professional set of documents I can hand straight to th...
Read moreInstrument Calibration – Tunisia Mission
I need an experienced instrumentation technician on site in Tunisia for five consecutive days to carry out full calibration on a custody-transfer metering skid....
Read moreUltra-Slim No-Neutral Smart Switch -- 2
I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...
Read moreRF Technician for Antenna Installation
I need an experienced RF technician to install antennas on a tower. Key tasks include: - Installing antennas securely and correctly on the tower - Ensuring all...
Read moreResidential Solar Permit Set
Hello, I am seeking a qualified solar design professional or engineering firm to produce a complete, permit-ready off-grid solar + battery + generator design pa...
Read moreEngineer for Advanced PCB Design & Programming
We are looking for an engineer team which has a good PCB design skill and motor driver programming skill. This project is to upgrade our exhisting PCB(Old versi...
Read moreAI Enhanced Interactive Toy Creation
AI-Powered Smart Toy Developer (Hardware + AI + Mass Production) We are developing an innovative AI-powered interactive toy and are looking for a highly skilled...
Read moreCustom 5G Flip/Slider Phone Consultation
I’m in the concept stage of a passion project: putting full-featured 5G with Band 71 support into a nostalgic flip or slider body. Before investing in boards, a...
Read morePower-Ready Multi-Layer Pogo PCB
I’m building a compact board that hosts an array of pogo pins and will serve a broader “pcb design” purpose rather than simple bench testing or programming alon...
Read moreSingle-Layer Op-Amp PCB
I’m putting together a small hobby circuit centered on about 16 operational amplifier based aidiotic filters and need a clean, single-layer PCB layout to bring...
Read moreElectronics Circuit Design, Development, PCB Designing and Prototyping
I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using...
Read moreSTM32-Based UPS Redesign and Firmware Development
Project Title: 600VA Pure Sine Wave Offline UPS Design (STM32 Based) Project Description: We are looking for an experienced Embedded Hardware and Firmware Engin...
Read moreIndustrial ESP32-S3 PCB Design (Flux.ai)
Industrial ESP32-S3 PCB Design (Flux.ai) Project Overview I am looking for an experienced PCB designer to complete a custom industrial control board based aroun...
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 more6 Channel relay project 2x small pcb's Proffesional finish not hobby
1. Project Overview Design and deliver two integrated printed circuit boards forming a robust 12V automotive-style switching and power distribution system rated...
Read moreSingle-Layer Hobby Op-Amp PCB
I’m putting together a small hobby circuit centred on an operational amplifier and need a clean, single-layer PCB layout to bring it to life. The schematic is a...
Read moreUltra-Slim No-Neutral Smart Switch
I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...
Read moreMicrocontroller Swap for Control Board
I just need to remove a broken IC from a board and solder the new one
Read moreRaspberry Pi Zero LoRa Interface PCB -- 2
I’m putting together a compact add-on board for a Raspberry Pi Zero 2 W that will serve as the “all-in-one” backbone of a small, battery-powered LoRa project. T...
Read moreAutomatic Sticky Mat Conveyor
Note - I want someone to make & get one machine ready for me so please bid if you can handle everything from design to manufacturing. I am developing a compact,...
Read moreSmart AC Switch PCB Design
I need a production-ready PCB that will sit at the heart of a home-automation AC switch, much like the popular Wi-Fi smart plugs. A single-layer layout is prefe...
Read moreSmall LTE Modem PCB Design
I'm looking for a complete PCB design for a small LTE modem using a Simcom module, to be manufactured by JLCPCB. The design should be created in EasyEDA. Requir...
Read moreMCU ADC FPGA Migration & Bring-Up
I am migrating a proven Cable Fault Locator from its legacy parts (LPC1788 + LTC2252 + Cyclone V) to a more economical stack and need a hands-on engineer who ca...
Read moreWire Harness Testing Schematic and PCB Design -- 2
1) Project goal Design a single PCB device for testing cable harnesses up to 25 wires, where both ends of the same harness are connected to the board: Side A: 2...
Read moreRefined Enclosure Design for Prototype Device
We are building a proof‑of‑concept, voice‑only device for elderly care. The electronics (PCB) and firmware are being handled by a separate engineer and a factor...
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