Circuit Design projects — HireLancer archive

ID / Date Listing

Industrial System PCB Design

Based on the complexity of system (industrial-level design with MCU, communication module, power management, and protection circuitry), Reliable and production-...

HL-40548000

Industrial System PCB Design -- 2

Based on the complexity of system (industrial-level design with MCU, communication module, power management, and protection circuitry), Reliable and production-...

HL-40546513

Firewire Capture Device — Embedded Engineer Needed

Looking for an embedded systems engineer to design a small, low-cost, battery-powered handheld Linux recording device, inspired by: https://github.com/computere...

HL-40546365

Diesel Engine Starting Problem Repair

My vehicle’s diesel engine refuses to start reliably, and I need an experienced automotive mechanic who specialises in diesel‐engine repair to diagnose and fix...

HL-40546196

Custom PCB Design with ESP32-S3 / Li-ion Battery

I am looking for an experienced PCB designer/electronics engineer to design a custom PCB. The board must include: ESP32-S3 chip-based design SHT45 temperature a...

HL-40546034

Fix Doppel-Augen-Modul Firmware-Probleme

Animatronisches Doppel-Augen-Modul (ESP32-S3, 2x GC9A01 240x240 SPI Displays, Arduino_GFX_Library). Lief 6 Monate einwandfrei, seit einer Firmware-Änderung funk...

HL-40545770

Multi-layer PCB Design for Radio

I'm seeking an experienced PCB designer to create a multi-layer PCB for a consumer electronics radio device. The PCB must include a microcontroller, wireless mo...

HL-40545842

Solar LoRa Mesh Sensor Nodes

I'm building a fleet of autonomous, solar-powered IoT nodes that track air temperature, humidity, and soil moisture, then relay the readings through a self-orga...

HL-40545758

Altium Multi-Layer PCB Design

I’m ready to move an existing set of schematics for an industrial-grade board into a fully-routed, production-ready multi-layer PCB in Altium Designer. The logi...

HL-40544215

Medium Power Management PCB Prototype

Part-Time PCB Designer & Prototype Fabricator — Low-Voltage Relay Control Boards (Ongoing) PCB Design · PCB Layout · Electronics · Circuit Design · KiCad · Alti...

HL-40543517

Outdoor Ultrasonic Vehicle Detection

I need assistance in developing electronic for an ultrasonic sensor system for indoor vehicle detection. This system will be used in an indoor environment to de...

HL-40542222

KiCad Schematic & Connector Revision

I need to refresh an existing KiCad project by updating the schematic and then reflecting those changes on the PCB. The primary task is to add and remove severa...

HL-40541949

EasyEDA Pro Consumer PCB Layout

I have a finished schematic that drives a small consumer-electronics device and now need the full PCB layout completed in EasyEDA Pro. The design carries roughl...

HL-40541939

Comprehensive Electronics Design and Firmware Creation -- 2

The schedule is as follows: 1. Schematic design - 150 2. PCB layout - 150 3. Productio file (Gerber, BOM, PnP file) - 50 4. Firmware - 150 Delivery in 14 days.

HL-40539197

15V 60A Buck Converter Design

I need a complete, from-scratch design for a synchronous buck converter that delivers a regulated 15 V at 60 A to run a custom battery-charging system. High eff...

HL-40540308

Multi-layer PCB Flyback Design -- 2

I'm looking for an experienced PCB designer to create a multi-layer PCB for a consumer electronics project The primary components to be included are: - Microcon...

HL-40540329

Embedded AI Hardware & PCB Design Consultant for Smart Edge Device

I am assembling a next-generation, AI-enabled embedded device and need an experienced consultant to guide the entire hardware path—from early architecture choic...

HL-40540219

1-In 3-Out Mixer Design

I need an audio-grade, one-input / three-output distribution mixer engineered from the ground up for live performance rigs. The unit must keep each of the three...

HL-40539682

Fix PCB Trace Width Violations

PCBWay flagged my small breakout board for routing issues, specifically trace width that falls below their minimum. I need the board file cleaned up so every tr...

HL-40538683

Electrical Designer Needed for 5kW Industrial Solar/ESS System (Victron Architecture) Off-Grid Solar System Design & Documentation

looking for a professional Electrical Designer to create a formal, build-ready documentation package for a 5kW off-grid solar and energy storage system (ESS). T...

HL-40538560

Residential Electrical CAD Plans

I’m preparing a brand-new home build and I need a detail-oriented AutoCAD specialist to turn my architect’s floor plans into a full set of electrical drawings....

HL-40537947

Custom Smartphone Motherboard Design

I’m ready to commission a brand-new smartphone motherboard designed entirely from the ground up. The end device must handle intensive, high-performance tasks wh...

HL-40537328

Ultra-Compact PCB Downsizing

My current board is already under 4 sq inches, yet I still need to reclaim every possible millimetre of space. The single overriding goal is size reduction; cos...

HL-40537223

Altium Designer for IoT Meter & Valve Controller

Project Header Altium PCB Design — nRF9151 LTE-M/NB-IoT Meter & Valve Controller (4-Layer, RF Critical) Project Description I need a 4-layer Altium Designer PCB...

HL-40536411

DỰ ÁN PHẦN CỨNG NHỎ

Mình đang phát triển một thiết bị IoT nhỏ mang tên SleepDome – hộp đựng điện thoại thông minh giúp cải thiện giấc ngủ. Cần tìm kỹ sư điện tử có thể làm prototyp...

HL-40534984

RVLDG Paper Replication and Optimization -- 2

Replicate the reference RVLDG paper exactly in Cadence Virtuoso using 90nm CMOS technology and then develop a novel optimized version with minimum Power Delay P...

HL-40534995

Compact ESP-C3 Motor-Driver PCB

I’m building a small robotics platform and need a custom, rectangular PCB that merges an ESP-C3 Zero module, a TB6612FNG dual H-bridge driver, and an on-board 1...

HL-40534880

Riparazione problema audio su Cuffie silent disco

Ho bisogno di assistenza per riparare un circuito stampato (PCB) di una cuffia silent disco. Il problema principale del PCB è che non si sente da un lato l'audi...

HL-40534285

ESP32 IoT Device PCB Design

I’m ready to move my ESP32-based IoT concept from breadboard to production and need a skilled PCB designer to take over the hardware side. Your task starts with...

HL-40534310

Smart Whirlpool Controller PCB Layout

I already have a fully working prototype of a smart control system for my whirlpool, complete with firmware. It manages temperature regulation, drives the water...

HL-40533990

Comprehensive Altium Training Needed

I’m a complete beginner in Altium Designer and I’d like guided, start-to-finish instruction that takes me from first opening the program all the way through pro...

HL-40533874

Home Electrical Installation Needed

I’m planning a fresh residential electrical installation in my home and want the entire job handled safely, cleanly, and up to local code. The scope covers runn...

HL-40533827

Finish KiCad Driver PCB

As Coordinator. First, the honest boundary: this is an **estimate**, not measured from the live `.kicad_pcb`/`.kicad_sch` files (I can't reach D:\ from here). I...

HL-40533433

Tech Support for Agrotech Hardware - Electronics, Sensors, IoT

Descripción: GreenSpire Farming Tech es una startup agrotech que desarrolla un biosistema modular de agricultura en entorno controlado. Buscamos apoyo técnico p...

HL-40533467

Build a Manufacturing Quotation Website Similar to Cad & Cart with Custom UI Design

I need a website very similar to Cad & Cart in terms of functionality and workflow. The website should allow customers to: * Upload CAD files (STEP, STL, IGES,...

HL-40533273

Instalasi Listrik Bangunan Komersial

Saya membutuhkan jasa profesional untuk pemasangan listrik baru di sebuah kantor/bangunan komersial. Fokus utama proyek ini meliputi: • Sistem pencahayaan dan s...

HL-40532411

Electrical Permit Drawings for Mixed-Use Building

I need detailed electrical permit drawings for my mixed-use office/workshop building. The drawings must be comprehensive and cover all necessary aspects to meet...

HL-40531984

CM4 Carrier Board Upgrade

Technical Specification: CM4 Carrier Board Modification There is an existing Raspberry Pi Compute Module 4 carrier board project in KiCAD https://datasheets.ras...

HL-40531884

Expert IP CCTV SoM Development

I’m building a new IP CCTV camera that must clear India’s STQC certification, and the System-on-Module is the piece I want you to own. You should be comfortable...

HL-40531730

Electronics Hardware Consulting Support

I’m looking for a seasoned electronics engineer who can serve as a sounding board for a brand-new hardware device we have in the works. You’ll dive into our cur...