Electrical Engineering projects — HireLancer archive

ID / Date Listing

HL-40320384

Prototipe Elektronik Siap Investor

Saya mencari desainer produk yang dapat membantu saya merancang sebuah perangkat elektronik hingga siap dipresentasikan kepada calon investor. Fokus pekerjaan i...

HL-40320252

Wearable Bluetooth LE with AI Voice Integration PCB Design

I’m developing a new wearable gadget that relies on Bluetooth LE connectivity and on-device AI voice commands. I need a seasoned PCB engineer who can take the c...

HL-40319891

Set New CNC VDF Speed

I need clear, step-by-step guidance to create a brand-new speed parameter on my CNC machine’s VDF. The current configuration tops out below the spindle speed I...

HL-40319651

PCB Layout Design & Optimization (USB + RS485 | EasyEDA)

We are seeking an experienced PCB designer to review, correct, and optimize an existing PCB design. Project Scope: * PCB includes ESP32 (or MCU), USB interface,...

HL-40319409

Precision Motor-Based Medical Device Development - 23/03/2026 06:40 EDT

Job Requirement – Precision Motor-Based Medical Device Development We are seeking a freelancer or product development expert to help bring a medical-related dev...

HL-40319444

Técnico salvaescaleras autónomo en España

Formo parte de una empresa especializada en la instalación y reparación de sillas salvaescaleras y plataformas elevadoras. Busco profesionales autónomos que qui...

HL-40319276

Help with Bluetooth speaker kit troubleshooting wireless charging issue

We have developed a Bluetooth speaker kit for students to assemble. The kit consists of a Bluetooth speaker module with one 3.7V Li-ion rechargeable battery. Th...

HL-40319083

Design, Simulation, and System-Level Integration of a 2.4 GHz Microstrip Microwave Feeding Network Using ANSYS HFSS and Twin Builder

I’m looking for someone who can prepare a pre-recorded, step-by-step walkthrough with screen recording and voice explanation for my Microwave Engineering course...

HL-40319094

Mechatronics/Robotics Freelancer Needed – Prototype Development for AI-Powered Automated Cooking Machine (Hardware + Firmware)

We are an early-stage hardware startup developing an AI-powered automated home cooking machine. The device prepares meals from scratch using a robotic arm, auto...

HL-40319116

Custom RS-485 Cable Fabrication

I need four RS-485 cables built, each 1.5 m long. One end of every cable terminates in the six-pin military-grade male Amphenol connector P/N 10-101987-103; the...

HL-40318228

Refinement and Construction of Sound Circuit Board

Design and build a circuit board to make machine gun sound by pushing a button. I have the basic design but it needs to be refined and then built. I am looking...

HL-40318187

Licensed MD Mechanical Engineer Needed - URGENT TURNAROUND

I’m retrofitting an industrial-grade Government warehouse in Maryland and need a mechanical engineer who already holds a current MD PE license and can place a p...

HL-40318118

Electrical Layout Excel Spreadsheet

I need an Excel spreadsheet to track electrical circuits. The spreadsheet should include: - Circuit Number (in numeric format) - Amperage - Reading Number - Des...

HL-40317950

ESP32-S3 High-Frequency Tachometer

Help me solve something multiple freelancers havent been able to. I need a rock solid circuit that reads a pulse from a wire wrapped around a spark plug wire of...

HL-40317847

GSM-Controlled Residential Gas Safety System

Request for Quote – Residential Gas Safety Device GSM-Only (SMS + Voice Calls) + Auto 220V Fan – No App, No WiFi Hi, I’m looking for a skilled embedded engineer...

HL-40317501

Home Addition Renovation

I'm seeking a skilled contractor for a home addition project on the rear of my house. The goal is to enhance functionality and space. Key Tasks: - Enlarge maste...

HL-40317409

28 GHz RF downconverter with IF 5-6Ghz

I have a working schematic for a double-balanced Gilbert mixer aimed at 28 GHz in a 65 / 60 nm CMOS flow on Cadence Virtuoso (ADE L/XL). The core blocks—RF matc...

HL-40317334

Smart Gas Safety System Development

I need a full-scale, production-ready smart gas safety system that I can install in residential spaces yet trust at an industrial-grade level. The core requirem...

HL-40317316

ESP32-Based Router Board PCB Design

I need an experienced PCB designer to convert my fully working and tested hardware prototype into a final production-ready single board PCB. Complete handoff do...

HL-40316876

MATLAB Bidirectional DC-DC Converter Simulation

I need a complete MATLAB/Simulink implementation of a bidirectional DC-DC converter that demonstrates both buck and boost operation. The heart of the job is roc...

HL-40316728

4G Communication Smartwatch Hardware Design

I want to bring a new smartwatch to life whose core job is keeping users connected. The watch must handle 4G LTE data, Wi-Fi and Bluetooth without compromise, t...

HL-40316020

Gym-Centric Wrist Tracker

I need a wrist-worn health tracker built specifically for strength training. The core feature is automatic detection and counting of each rep, set and the exact...

HL-40315963

PCB Design with ESP32 and LiFePO₄ Backup

This project involves designing a robust, production-ready PCB integrating an ESP32 module with a wide input power range of 5V to 60V and a single-cell LiFePO₄...

HL-40315746

High-Resolution Imaging System Design

I'm seeking an expert in optical design to develop a high-resolution imaging system. Key Requirements: - Primary application is an imaging system - Design shoul...

HL-40315152

Antenna Array Simulations Using ANSYS EDT

antena theory using ANSYS electronics

HL-40315778

ESP32 PCB Design Verification Needed -- 2

I have a finished, four-layer ESP32 board layout that is almost ready for fabrication, but before I release the Gerbers I want a fresh set of expert eyes on it....

HL-40315676

Compact standalone ESP32 Board Design for Max30102 sensor with OLED display

The board is essentially a compact "brain board" — an ESP32-WROOM-32 module with integrated power management, USB-C for charging and programming, and two 4-pin...

HL-40315519

Drone ESC Functional Testing - Shenzhen

I have an electronic speed controller (ESC) that must be function-tested here in Shenzhen. The goal is straightforward: power it up, run it through a complete s...

HL-40315533

I am seeking a qualified Electrical Engineer or Simulation Specialist to assist with the parameter configuration and optimization of a power electronics system. The project focuses on the integration and tuning of a Photovoltaic (PV) power source and an O

ฉันต้องการแบบระบบผลิตไฟฟ้าจากแสงอาทิตย์ (PV) สำหรับชาร์จรถ EV ที่บ้าน/สถานีขนาดย่อม โดยต้องการผลลัพธ์เร็วที่สุดเท่าที่เป็นไปได้ ขอบเขตงาน • วิเคราะห์ภาระโหลดของ...

HL-40315322