LoRa RGB LED Cue System
My lighting software can already stream a simple serial string for every cue it fires. I now need that string to travel wirelessly over LoRa to a tiny, battery-...
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Complex PCB Schematic Design for Industrial Radio
I'm seeking an experienced PCB designer to create a complex, multi-layer schematic for an industrial radio. The schematic will incorporate analog, digital, and...
Read morePCB Layout Touch-up
The board is already designed, sits comfortably in the 10–50 cm² range, and I have the full schematic plus the native CAD project ready to share. All I need now...
Read morePower Distribution PCB & Firmware -- 2
I’m building a compact board whose sole mission is clean, reliable power distribution. I already have the system requirements mapped out at a high level; now I...
Read moreHome Profile Lighting Installation Needed
My living room and bedroom are ready for an upgrade with profile lighting that delivers a bright, vibrant feel. I already have a few sketches and reference phot...
Read more800 V / 400 A Pulsed Constant-Current PSU Design (Team)
Project Title 800 V / 400 A Pulsed Constant-Current Power Supply – Design Team Project Overview We are seeking an experienced power electronics team to design a...
Read moreMaterial Enrichment Processing Setup
I’m upgrading a material-enrichment line that includes tag extraction, floc separation and a draft bill of materials. The immediate goal is to translate what I...
Read moreDDR4 Layout Design
need a DDR4 PCB layout designer. The job covers the full physical layout, tuned for high-speed signal using Mentor tool PADS PCB.
Read moreCompact Atmega32U4 LED Controller
I need a full EasyEDA project—schematic and routed PCB—for a tiny Atmega32U4 board that lets a computer drive a single external LED through a 3-pin XH-JST conne...
Read moreKiCAD Two-Layer PCB Layout
I already have a complete schematic and need it translated into a clean, manufacturable two-sided board in KiCAD. The design is a functional prototype, so compo...
Read moreSchematic Verification and PCB Redesign
More information will be given to eligible freelancer.
Read moreCaut electrician autorizat pt sistem fotovoltaic offgrid(fara autorizare de injectare on-grid)
Salut, Caut electrician autorizat pt dimensionare,transport, instalare sistem fotovoltaic pt o casa la curte cu 2 corpuri de cladire cu un consum zilnic in medi...
Read moreIndustrial Battery Charger & BMS Design
Project : to design Battery charger and BMS(Battery management system) Existing Battery Configuration 2 × 12V, 100Ah Sealed Lead Acid (SLA/VRLA) batteries conne...
Read more800V 400A Pulsed PSU Design
I’m developing a laboratory‐scale system for scientific research that needs a robust, constant-current pulsed power supply. The unit will take a 380 V, 50 Hz th...
Read moreRV1126B AI Camera Carrier PCB Design – AR0234, Dual GMSL2, MIPI CSI-2, Ethernet and Isolated Trigger
We are developing an industrial AI camera system based on the Rockchip RV1126B processor and onsemi AR0234 global-shutter image sensors. We want to use a ready-...
Read moreAudio Equipment Repair Specialist
Repair receivers, turntables , speakers and other related stereo components
Read moreUrgent PAA5100JE ESP32D Software Setup
I have an ESP32-D dev board and three unused PAA5100JE optical-flow sensors. I only need to bring one online first, confirm it streams clean motion data, then r...
Read moreDigital Control System Design for Radio
I'm seeking an experienced circuit designer to create a digital control system for a Bi Color LED Matrix. The core component of this system will be a microcontr...
Read moreSimulIDE Arduino Hybrid Power Design
I want to build a small-scale hybrid renewable power system—solar panels, wind turbines and tidal generators all working together—inside SimulIDE, driven solely...
Read moreHDMI CEC & IR Controller Board Design
Project Brief: ESP32-P4 + ESP32-C6 HDMI CEC & IR Controller Board 1. Project Overview Seeking an experienced PCB designer to create a custom, compact controller...
Read moreSmart Home Thread-Enabled PCB Design
I need a compact, production-ready PCB for a smart-home product that will sit at the heart of a Thread-based system. The board’s sole critical job is reliable w...
Read moreAdvanced Electronics Design Project
We are seeking a Senior Electrical Designer to support the design of advanced manufacturing facilities, including semiconductor manufacturing plants, data cente...
Read moreAltium Designer for Laboratory Vortex Mixer PCB
I am looking for an experienced Hardware Design Engineer with strong expertise in Altium Designer to design a production-ready PCB for a laboratory vortex mixer...
Read moreTriple-Rail DC Power PCB Design -- 2
I need a compact, production-ready PCB that accepts a single DC input and delivers three regulated rails—24 V @ 12 A, 12 V @ 12 A and 5 V @ 10 A—for an industri...
Read moreEagle Circuit Design Consultation Needed
I’m building a new circuit in Autodesk Eagle and want an experienced Eagle user to look over my schematic, walk me through any weak spots, and suggest best-prac...
Read moreDiseño de Circuitos Digitales
Busco apoyo de un ingeniero de hardware con sólida experiencia en diseño de circuitos, concretamente digitales. Compartiré los requisitos funcionales y la hoja...
Read more800V 400A Pulsed PSU Design
I’m developing a laboratory‐scale system for scientific research that needs a robust, constant-current pulsed power supply. The unit will take a 380 V, 50 Hz th...
Read moreKiCad Buck & Relay Upgrade
I have a finished KiCad board that already works but now needs two extra sections added. First, I want the single 24 V AC input to feed a pair of regulated rail...
Read moreAltium PCB Design for Appliance
I’m developing a new consumer home-appliance and need a specialist who can take my schematic concept and turn it into a production-ready PCB inside Altium Desig...
Read moreDouble-Layer Radio PCB Design
I need a double-layer PCB design for a consumer electronics radio project. Requirements: - Experience with double-layer PCB design - Knowledge in designing PCBs...
Read moreDouble-Layer PCB Design for Radio
I need a double-layer PCB design for a consumer electronics radio project. Requirements: - Experience with double-layer PCB design - Knowledge in designing PCBs...
Read moreIndustrial Voltage Stabilizer Design
I need a seasoned electrical / electronics engineer to take a voltage stabilizer for industrial equipment all the way from concept to a bench-tested prototype....
Read moreDiseño de PCB en KiCad (Carrier Board RPi 3B+, Audio/RF Isolation, DFM JLCPCB)
Buscamos un ingeniero electrónico o diseñador de hardware senior para diseñar la "BumbiPTT Interface": una placa base custom en KiCad que aloja una Raspberry Pi...
Read moreConsumer Electronics PCB Schematic
I have a new consumer-electronics concept ready for its first hardware iteration and I need a clean, production-ready PCB schematic drawn up as fast as possible...
Read moreEnergy Monitor PCB Layout Design
I already have a complete schematic for my single-phase energy-monitoring circuit; what I need now is a production-ready PCB layout that faithfully follows it a...
Read more12V Square Wave Signal Generator
I need a square wave signal generator with the following specifications: Output Voltage: 12V Frequency Range: 100 kHz to 1 MHz Duty Cycle: Variable Additional R...
Read more4S 16.8 V BMS Design
I need a compact Battery-Management System for a 4-cell Li-ion pack that reaches 16.8 V at full charge. The board must integrate every key safeguard: over-charg...
Read moreDesign Simple 24V AC-DC Converter
I already have the core parts on hand—two 5 mm 2-way pluggable terminal connectors, a 3510 bridge rectifier, four 4 700 µF / 35 V* electrolytic capacitors, a si...
Read moreDokumentacja elektryczna skrzynek sterowniczych
Jestem producentem wentylatorów przemysłowych i szukam partnera do stałej współpracy przy projektowaniu skrzynek sterowniczych. Potrzebuję kompletnej dokumentac...
Read moreThyristor Trigger - PCB Design
I need a compact PCB that triggers an MFA90A thyristor from a relay while handling a 300 V DC line coming from a photovoltaic string. The board’s purpose is to...
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