ESP32-C3 PCB with MOSFETs
I need a complete PCB design built around the ESP32-C3 and five onboard power MOSFETs. The board will sit inside a medium-sized, handheld consumer-electronics e...
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NDT Electromagnetic Conductivity Sensor Build
I need an engineer who can take me from concept to working prototype on a precision electromagnetic sensing instrument aimed squarely at industrial non-destruct...
Read moreCompact ESP32 Smart Relay Module PCB Design & Routing
I am looking for an experienced PCB layout engineer to design and route a compact, dual-layer PCB for an IoT smart switch module. The design must fit inside a v...
Read moreSystème IoT d'Irrigation Intelligente
Je souhaite concevoir puis réaliser un système d’irrigation intelligent, connecté en IoT, dédié aux cultures de céréales. L’objectif est de réguler l’apport en...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read morePCB Layout & Gerber Files
I have a circuit that now needs to move from the schematic stage to a production-ready printed circuit board. I will share the complete schematic, component lis...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreQuick KiCad PCB Revisions
I already have three completed boards built around an ESP32, DS3231 RTC, EM18 RFID module, buzzers and indicator LEDs. The schematics and layouts are all in KiC...
Read moreRiparazione scheda Raspberry Pi
Ho 6 Raspberry CM4 che non si accendono e, dopo vari tentativi, sospetto un guasto hardware localizzato sulla scheda madre. Non vedo bruciature, crepe o altri s...
Read moreAC-DC Dual-Rail PCB Design
I need a compact FR4 board that accepts a universal 85 – 265 VAC input and continuously supplies two regulated rails: 5 V DC and 12 V DC (each capable of up to...
Read moreSistema Ecológico de Reaproveitamento de Água
Briefing do Projeto Estamos procurando um profissional para desenvolver um projeto de um Sistema Ecológico de Reaproveitamento de Água para Hortas Domésticas. O...
Read moreKiCad PCB Design Review & Corrections — ESP32 Board
I have an existing ESP32-WROOM-32E handheld PCB designed in KiCad 10 — 2-layer, ~76×51mm, ~49 components (ESP32, CH340C USB-serial, TP4056 + DW01A battery charg...
Read moreLogic Gate Sensor-Actuator PCB Design
Project Title Design a Logic Gate Based Non-Programmable Sensor-Actuator PCB — Prototype Development Project Overview I need a custom electronics board designed...
Read moreAnalog Radio Transmitter Specialist
I run an analog broadcasting facility and need an experienced radio engineer to work directly on our transmitter and tower-mounted antenna system. Your focus wi...
Read moreIndustrial Instrumentation Electronics Consultant
Requirement: Electronics Hardware Design Consultant (Industrial Instrumentation) We are looking for an experienced Electronics Hardware Design Consultant to sup...
Read moreJLCPCB SMD Assembly KiCad Files
Project Overview I am looking for an experienced PCB designer with KiCad and JLCPCB assembly experience to prepare a simple PCB for SMD assembly. The circuit is...
Read moreAdd Connectors to KiCad PCB
An existing KiCad-based board is ready for its next revision. The design itself is stable; all I need now is to introduce 1–2 new connectors and make sure they...
Read moreHigh-Speed PCIe PCB Integrity Review
I have a multi-lane PCIe board laid out in KiCad and I want a sharp set of eyes on its signal integrity before we order production units. The schematic and layo...
Read moreSplit AC Routine Maintenance
I need a qualified technician to carry out routine maintenance on my Split AC. The job covers a full cleaning of both the indoor and outdoor units, including fi...
Read moreSmall Multilayer PCB Design
I need an experienced KiCad PCB designer for an ESP32-S3 based audio/IoT prototype board with battery The board will include: - ESP32-S3-WROOM-2 module - PN532...
Read moreElectronics Design Engineer for Medical Neurostimulation Device -- 2
1 Project overview We are developing a medical neurostimulation device intended for therapeutic applications, including tinnitus treatment. The system consists...
Read morePCB Design Audit
I have a PCB design featuring a simple ESP32, two servos, a buzzer, a battery, and a charging IC. I’ve made significant progress, but it needs to be reviewed an...
Read moreKiCad PCB Fix & Gerbers
I have a small KiCad board that is currently failing JLCPCB’s pre-check because of manufacturing constraints. What I need right now is a quick clean-up: shift o...
Read more433 MHz PCB Pre-Compliance Review
I have a compact 433 MHz transmitter built around a CMT2219B RF module driven by a GD32E230G8 MCU. Before we invest in the formal lab work, I want an experience...
Read moreEasyEDA Two-Layer PCB Schematic Design
I need a clean, production-ready schematic built in EasyEDA for a multi-layer board that will ultimately be fabricated as a 2-layer PCB. You will start from my...
Read moreFull House Electrical Wiring Assistance
A full residential re-wire is underway and every circuit—from the main service panel right through to the last light switch—needs to be designed, installed, and...
Read moreIndoor Nordic BLE Motion Sensor -- 2
Estoy desarrollando un prototipo IoT de bajo consumo para un vertedor inteligente de bebidas y busco un ingeniero embedded/freelance con experiencia práctica en...
Read moreMedical Device Power Supply Schematic Review (IEC 61010 / IEC 61326 Compliance) Project Description
I need an experienced Power Electronics / Hardware Design Engineer to review and verify my medical IVD device power supply schematic before PCB layout. This is...
Read moreDiseño de PCB para Estabilizador de Voltaje Industrial (4kVA)
Diseño de señales mixtasDescripción del Proyecto: Busco un ingeniero electrónico con experiencia en diseño de potencia y control para convertir un esquema fun...
Read moreMulti-Layer Power Management PCB
I need a complete circuit schematic and multi-layer PCB layout that handles power management duties while integrating a microcontroller, several sensors, and th...
Read moreDouble-Layer PCB Design using Altium
I'm looking for an experienced engineer that can create a schematic from the provided parts lists. Key requirements: -- Use Altium Designer software - Experienc...
Read more2.4 GHz FSK Receiver Design
I need a complete design for an FSK RF receiver that operates at 2.4 GHz with a channel bandwidth of 2 MHz. The end product is destined for compact consumer-ele...
Read moreCustom 6-Port PoE Ethernet Switch Design
I need an experienced hardware designer to turn my concept for a six-port, gigabit-speed Ethernet switch into a complete, production-ready design. 3 of 6 channe...
Read moreResidential Electrical & Plumbing Layout
I’m finalising the construction documents for a large single-family home that will exceed 4,000 sq ft, and I now need a complete set of coordinated electrical a...
Read moreSTM32 Motor + Heater + Audio Main Controller PCB — KiCad Schematic, PCB, Gerbers & BOM
I need an experienced embedded hardware / PCB engineer to design a production-ready STM32-based main controller PCB for a therapeutic massage/spine bed system....
Read moreSolar MPPT Hardware Development
I'm looking for an experienced hardware developer to assist with my Solar MPPT project, which is currently in development. The specific areas where I need help...
Read moreow-Cost Bluetooth External Sensor Prototype
I’m looking for someone to build a low-cost prototype external sensor unit for my GrowlerZ iOvilus project. The idea is a small Bluetooth sensor hub that connec...
Read moreMOSFET-Controlled NTC Bypass
I need a compact RC timing network that drives a MOSFET to short-out an NTC after start-up so the circuit acts as an inrush-current limiter only for the first f...
Read moreOutdoor Meshtastic Soil Sensor Prototype
I need two simple yet reliable prototype nodes that can sit outdoors, wake up at a configurable interval, pull a register line from a Modbus-compatible soil pro...
Read moreSolar Inverter
Project Title: Solar Inverter Description: I am looking for an experienced freelancer to design and develop a solar inverter with a power output of 1-5kW. The p...
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