Electronic Design projects — HireLancer archive

ID / Date Listing

Require expert to help in ESP32 project

Project Title: Require expert to help in ESP32 Project Description: I am looking for an expert to assist me in my ESP32 project. The specific skills and experie...

HL-37580793

ESP12e Wi-Fi Connection Troubleshooting

I am currently struggling to connect my ESP12e module to Wi-Fi. The issues persist regardless of the network I attempt to connect to. I've tested on different n...

HL-40064138

Reverse-Engineer & Redesign Custom PCB

I have a fully assembled circuit board but no original documentation—only a set of high-resolution photos taken from every angle. Your task is to reverse-engine...

HL-40060360

Custom Xiao RP2350 PCB

I already have a hand-drawn sketch of a board that puts a Seeed Xiao RP2350 module at its heart. What I still need is a complete, production-ready design that t...

HL-40059353

Single-Layer PCB Layout for Prototyping

I need a PCB layout and Gerber files for a pcb component design. This is for an LED-related project and is intended for prototyping. Ideal skills and experience...

HL-40054517

Rediseño Placa de Control Eficiente

Dispongo de una placa de control totalmente operativa—Conversión de 12V a 5V, fusible, Conector 40 pin de raspberry, cuatro relays y un buzzer—pero necesito act...

HL-40050661

4x4 Single-Layer PCB Design

I need a pcb using an ESP32-S3-wroom1. The board will have a usb-c port for programming. The board will use a 7.2v nimh battery connected to a buck converter to...

HL-40031493

Industrial Automation Schematic Review

Tengo listos varios esquemáticos para un circuito de aplicación industrial orientado a la automatización y quiero que un par de ojos expertos los examinen a fon...

HL-40026857

Elderly Mobility Aid Development

I'm seeking an experienced engineer to design and build an electronic mobility gadget specifically for the elderly, reminiscent of a walker. This project aims t...

HL-40024034

Revisión PCBA LED y BOM

Estoy ajustando el diseño de una pequeña tarjeta LED y requiero una revisión completa del archivo PCBA para eliminar las resistencias que hoy ya no son necesari...

HL-40007802

Compact SMD Circuit Design

I need a 45-55 mm diameter SMD board that drives a tiny fan from a 500 mAh Li-ion cell. The board must integrate: • a USB-powered charging module, • a tactile b...

HL-39992190

Digital Laser-Measuring Tape Creation

For developing a digital steel measuring tape with integrated laser measurement. I’m looking for a skilled freelancer experienced in: Laser diode and distance s...

HL-39989404

Convert JLC EDA (open source) project to KiCad

HL-39989433

Brazalete Industrial con Pantalla ESP32

Necesito el diseño completo de un brazalete industrial que integre una pantalla de 4’’ basada en ESP32 y una batería recargable. El dispositivo se llevará en la...

HL-39973017

Diseño Profesional de PCB

Requiero el diseño completo de una placa de circuito impreso (PCB) para un ecualizador activo de 3 bandas con amplificador de salida, basado en el esquema ya de...

HL-39961645

IOT project

The Ultrafiltration/Diafiltration (UF/DF) process is a critical step in downstream biopharmaceutical purification, used to concentrate and buffer-exchange monoc...

HL-39959206

Simple Flex PCB Design

I need a simple two-layer flex PCB developed for a consumer electronics device. Requirements: - Size: Small (less than 2x2 inches) - Components: Surface-mount d...

HL-39953038

PCB Temporizador Pulso Seco

Necesito diseñar una pequeña placa de control que genere un pulso de disparo variable de 0 s a 2 s cuando recibe una señal de 12 V de entrada (la señal proviene...

HL-39947431

Finalize PCB & Prototype Order

My 2-layer PCB is already 95 % complete. I now need a fresh set of eyes to: • Tweak and lock-in the remaining component placement so the board is clean, balance...

HL-39943571

Diseño de PCB de 4 capas para dispositivo IoT con módulos RF y sensores.

Busco apoyo para transformar un esquema electrónico en una PCB de prototipo de 4 capas, tamaño mediano (aprox. 5–7 cm), con integración de varios módulos de com...

HL-39936330

تصميم لوحة PCB متكاملة

أحتاج إلى تصميم لوحة دائرة إلكترونية مطبوعة صغيرة (أقل من ‎10‎ سم) لتحريك مجسم المجموعة الشمسية داخل الصف. اللوحة ستتحكم في محرك واحد يحرك الكواكب وتدمج نظام إض...

HL-39924283

Custom Android Camera/Sensor & PCB Design

Phase 1 – Camera/Sensor Selection & Electronic Design for Android Device Project Description: I am developing a custom hardware product and want to begin with P...

HL-39917625

Development of a simulator (biomedical equipment)

I am seeking a skilled freelance electronic engineer to develop a bench-tested, functional prototype of a simulator type biomedical device. This is a low-cost,...

HL-39891976

Delineante Proyectista AutoCAD Electrical en Madrid

Nuestro cliente es un distribuidor y desarrollador de Autodesk especializado en software de CAD/CAE para los sectores de la ingeniería civil, industrial y la co...

HL-39878280

Experienced PCB Design Engineer Needed

I need a skilled engineer to take my concept from schematic capture all the way through a finished, manufacturing-ready PCB layout. The design details are open...

HL-39877693

Single-Layer PCB Layout

I have a very small board—just three components in total—that I need laid out on a single-layer PCB as quickly as possible. Two of the parts are SMD, one is thr...

HL-39876917

Main electronics card

I have a full specification package and SOW ready that outlines a compact electronic card devoted to managing heat inside a consumer-electronics product. The fo...

HL-39875519

Double-layer PCB Design

I'm making a Arduino mega pcb shield. The pcb should be easily compatible with Arduino mega through the pins. I have made the schematic for it. You can review i...

HL-39867003

Smart Pillbox with Bluetooth Notification System

I need a smart pillbox that detects when medication is taken and sends a Bluetooth signal to an app. Key Requirements: - Hall sensor to detect pill removal - Bl...

HL-39857989

Smarthome PCB Layout Schaltplan

Hallo, ich benötige ein PCB-Design (Schaltplan + Layout) für eine ESP32-C3 Fernbedienung. TECHNISCHE DATEN: Hauptkomponenten: - ESP32-C3 Super Mini - 36x Tactil...

HL-39858000

Building a 100W Amplifier Prototype, 14-24 Ohm, 1kHz-500kHz

The task is to build a prototype of an amplifier using transistors (or operational amplifiers). Specifications: • Frequency response: 1 kHz - 500 kHz (maximum 2...

HL-39850190

Compact PCB Design Needed

PCB design. Please see diagram, PCB needs to be as small as possible.

HL-39846797

PCB Assembly for Smart Bin System

Looking for an experienced freelancer to carry out PCB assembly that can be installed onto a fabricated smart bin body. The scope includes assembling the PCB as...

HL-39842666

Buenos días, Necesito un electrónico especializado en LED para recomendarme un regulador que funcione bien para mi foco led de 5000w Gracias

Más detalles: ¿Cuál es el voltaje de entrada de su foco LED de 5000W? 220V ¿Qué tipo de regulador prefiere? Regulador de voltaje ¿Cómo planea controlar el regul...

HL-39842253