Circuit Design projects — HireLancer archive

ID / Date Listing

PCB Design Optimization for BLE

I'm seeking an experienced PCB designer or electronics engineer to help finalize a partially completed ESP32-based PCB design (25mm x 25mm). Key Tasks Include:...

HL-39394449

ESP32 WROOM Project - PCB Design Freelancer

We are seeking an experienced PCB designer for a project based on the ESP32 WROOM module. The project involves designing a PCB that integrates a 2.8-inch TFT di...

HL-39393158

AM Jammer Transmitter

I need an AM transmitter designed to block specific signals. Requirements: - Jam a pulse amplitude modulated signal of 8 to 11.5 Hz with a carrier frequency of...

HL-39393173

AM Transmitter Jammer Development

I'm seeking an experienced RF engineer to build a manual control jammer. This device should completely block an 8 to 11.5 Hz pulse amplitude modulated signal wi...

HL-39393189

Design the protective scheme of the power system, as shown below. It is required to size all the CTs, and define the type of protection and relay setting.

Objective: Design the protective scheme of the power system, as shown below. It is required to size all the CTs, and define the type of protection and relay set...

HL-39392940

Repair Unreliable USB HUB pcb subpart Connection

I'm looking for an experienced electronics technician to diagnose and fix an unreliable USB HUB pcb part on a main PCB board. The USB HUB is sometimes detected...

HL-39391541

Expert Electronic Engineer for Custom Circuit Board

Hello Freelancers, We are looking for an experienced and detail-oriented electronics engineer or technician who can assist with the design, customization, and f...

HL-39390830

Car Instrument Cluster Repair

I need help with an LCD car instrument cluster display that's malfunctioning. The emergency lights turn on intermittently. Requirements: - Experience with autom...

HL-39389761

Electrical Engineering Stamp Needed

Bc Canada I'm seeking a licensed electrical engineer to provide an official stamp for permit approval. Requirements: - Licensed electrical engineer to stamp in...

HL-39388989

Multi-layer PCB Design Specialist Needed

I'm looking for an experienced PCB designer to create a multi-layer PCB according to my specific dimensions. Key requirements: - Proficiency in multi-layer PCB...

HL-39388058

2-layer PCB Design

I need an experienced PCB designer to create a single-layer PCB for a production run. The design should be done using KiCad. Requirements: - Proficiency in KiCa...

HL-39385013

Multi-layer Qualcomm S410 PCB Design

I'm looking for an experienced PCB designer to create a multi-layer PCB, sized small (up to 50mm x 50mm) for a Qualcomm S410 chip. Requirements: - Design a mult...

HL-39384936

Multi-layer Qualcomm S410 PCB Design

I'm looking for an experienced PCB designer to create a multi-layer PCB, sized small (up to 50mm x 50mm) for a Qualcomm S410 chip. Requirements: - Design a mult...

HL-39384569

Battery Charger Circuit Simulation

I need a battery charger circuit designed and simulated in Proteus 8 using an operational amplifier (Op-Amp). Requirements: - Compatible with Li-ion batteries -...

HL-39384257

KiCad Recreation of 25W Flyback Converter

I'm seeking an experienced KiCad user to recreate a 25W Flyback converter based on provided materials. Materials provided: - Original Gerber files (top/bottom l...

HL-39379512

Custom Circuit Board Design and Fabrication

Hello Freelancers, We are looking for an experienced and detail-oriented electronics engineer or technician who can assist with the design, customization, and f...

HL-39379261

RF Remote PWM Controller Development

I'm seeking an experienced developer to create a Remote Controlled PWM (Pulse Width Modulation) Controller. The controller will be used to operate a 0-12V DC so...

HL-39379088

Digital ASIC Design for Consumer Electronics

I'm looking for an experienced semiconductor design engineer to create a digital ASIC for a consumer electronics CMOS camera. Key requirements: - Expertise in d...

HL-39378737

PCB Design Review and Optimization

Hello, I am looking for an experienced electronics designer with advanced skills in EasyEDA, KiCad, or similar PCB design software to collaborate on reviewing a...

HL-39377730

Digital Hardware Quiz Assistance

I need an expert in digital hardware to help me prepare for a quiz tomorrow. The topics include: - Combinational Circuits: Adders and subtractors, multiplexers...

HL-39377489

Modify Antmicro PCB: 80-Pin GPIO

I'm seeking a skilled PCB designer to modify the Antmicro open-source carrier board. The main task is to add an 80-pin GPIO header to the existing design. Key R...

HL-39377271

Optimization of RF Wireless Charger PCBs

Project Title: Miniaturization and Optimization of Wireless Power Transfer System (Transmitter & Receiver PCBs) Description: I have developed and patented a wir...

HL-39376144

External Baby Diaper Detector Using VOC Sensor + LED Alert

We are seeking an electronics developer to create a simple, safe, and low-cost prototype of an external device that can detect feces in a baby diaper by identif...

HL-39375963

Design Task Part 1 FSK Receiver (Digital Frequency Modulation)

Hello, I am supposed to create a short documentation about frequency modulation. 1. Analysis of the task, questions, and problems 2. System concept 4. Circuit d...

HL-39375968

Altium PCB Design for LED Matrix

I need a skilled PCB designer to create a PCB for a 32x32 single-color LED matrix display system in Altium. The design has moderate complexity and requires some...

HL-39375612

Repair Electronic Circuit

I need an electronic circuit, specifically from a radio, fixed. The primary issue is component failure, and I suspect the transistors may be faulty. Ideal Skill...

HL-39374400

Double-layer PCB Design for Radio

PCB Circuit Designer in KiCAD or EasyEDA. Project Resonant Charger.

HL-39374225

Desarrollo de Prototipo Funcional ESP32

Título del proyecto: Desarrollo de prototipo funcional con ESP32 + iButton + RS-485 y preparación completa para fabricación en MacroFab Descripción del proyecto...

HL-39373601

Compact Bio-Wearable Device PCB & Firmware Development

I'm developing a compact bio-wearable device for health monitoring and need technical expertise to finalize the build. This project involves working on several...

HL-39373057

Design of a Powerdrive for a 6 kW permanent magnet electric motor

Project: Design of a Powerdrive for a 6 kW permanent magnet electric motor • Source of energy of the Powerdrive : Battery: Voltage 72 (52.5 - 88.2) V, Current 1...

HL-39366758

Multi-layer PCB Design for Prototyping

I need a skilled PCB designer to create a multi-layer PCB Essential requirements: - Expertise in multi-layer PCB - Proficient in PCB design software (e.g., Alti...

HL-39368060

Breadboard Wiring for Circuit Prototyping

I need a skilled individual to wire a breadboard for a new circuit I am prototyping. The project involves both digital and analog components. Key Requirements:...

HL-39364002

KiCad PCB Modification

I need a PCB designer to modify existing Open Source Hardware KiCad project files. The tasks include: - Remove all existing logos and branding. - Rename the boa...

HL-39363474

PCB update.

I have a PCB that controls 4 'drive motors', and two 'boats' of a camera." In turn the PCB has an accelerometer that tells me the inclination and balance, commu...

HL-39363506

PCB Layout for Industrial Equipment

I'm seeking an experienced PCB designer to create a layout for an industrial equipment application. The PCB will primarily include digital components and should...

HL-39360360

Induction Heating Power Board – Design & Prototype

Description: I am seeking an experienced electronics engineer with a strong background in power electronics to assist with the design and prototyping of an indu...

HL-39360475

Embedded Systems Specialist for Custom Hardware

Hey everyone, Working on a custom hardware project and looking for an experienced embedded systems specialist to help build a functional prototype. I'm good on...

HL-39357802

Altium Лабораторні Роботи

Мені потрібно, щоб ви виконали 5 лабораторних робіт (7варіант) з використанням Altium. Завдання стосуються розробки друкованих плат. Ідеальні навички та досвід:...

HL-39358517

RF Transmitter Design and Gerber Files

I'm looking for an experienced electrical engineer to design an RF transmitter circuit for data communication. Requirements: - Frequency range: 300 MHz - 3 GHz...

HL-39358249

DVB-S2 Dual USB Tuner Development

I'm looking to build a Dual USB DVB-S2 Tuner that integrates with computer systems. The tuner will be based on 2 x M88RS6060 and 1 x CYUSB3014. It should be com...