Circuit Design projects — HireLancer archive

ID / Date Listing

Modificacion de PCB con Altium

Se ncesita modificar el PCB con el nuevo esquematico.

NFC Antenna Tuning for Reliability

I am seeking an experienced RF engineer to review and fine-tune a 13.56 MHz NFC antenna on a custom PCB. The primary goal is to improve data reliability. The pr...

HL-39628032

Update set of drawing and AC Diagram Update & PE Stamp

I need existing drawings updated to reflect new Grid Solution equipment. The updates include: - AC one-line diagram - Equipment layout - Wiring schematics The f...

HL-39628078

Microchips BM78 Bluetooth Module Programming

I am seeking a professional that is familiar with programming the Microchips BM78SPPX5NC2 Bluetooth module. We are having data transmission issues with the modu...

HL-39627255

Precision DC Microcurrent Generator Needed

Need Precision DC Microcurrent Generator (10–2000 μA) Details: I need a ready-to-use DC microcurrent generator with the following specs: Constant DC output Adju...

HL-39626357

Programmable Audio Routing PCB Design

I'm looking for an experienced PCB designer to create a programmable audio routing PCB using an ESP32 microcontroller. The board will feature: - 6 buttons in a...

HL-39624710

LTspice Boost Converter Simulation Expert Needed

I'm seeking an experienced professional with strong expertise in LTspice to assist in simulating a Boost Converter. The project involves analyzing and attenuati...

HL-39625857

تصميم جهاز طاقة حركية مبتكر -- 2

أرغب في تصميم جهاز ذكي صغير الحجم لتوليد الكهرباء للمنازل بدون الاعتماد على الألواح الشمسية، ليكون بديلاً عمليًا واقتصاديًا للطاقة التقليدية. الجهاز سيعتمد على...

HL-39624850

High Power Microwave Circuit Design

I'm seeking a skilled microwave engineer specializing in circuit design for high power transmission antennas. The ideal freelancer should have experience with:...

HL-39624623

PCB Design Review and Correction

I'm seeking an experienced PCB designer to review and correct the routing of an existing PCB design. The primary goal is to address issues related to insufficie...

HL-39624338

LED Driver PCB Development

I need a complete hardware development based on provided schematics. The project includes: - PCB Design - Creating Gerber files for JLCPCB Requirements: - Throu...

HL-39624391

Rediseño de Circuito de Comunicación Inalámbrica

Necesito un ingeniero electrónico para rediseñar mi circuito en Easy EDA y prepararlo para hacer el pedido. Requisitos: - Rediseñar mi circuito existente - Actu...

HL-39624168

Solar Inverter Power Output Issue

I am experiencing a problem with my solar inverter, specifically that it is not providing any power output. I have already checked and confirmed that the solar...

HL-39623503

Design PCB from Arduino Breadboard Setup

I'm looking for an experienced PCB designer to create a printed circuit board based on my current Arduino setup on a breadboard. The setup includes a few diodes...

HL-39622789

Electronics Schematic Design for Product

Project Title: Economical SMD Power Management & Protection Circuit for 2x18650 / 12V USB Source with Isolation Description: We are seeking a skilled electronic...

HL-39622367

Design Single-Layer PCB for Irrigation

I'm seeking a skilled freelancer to design a single-layer PCB board from a prototype for an irrigation system. The board will incorporate both through-hole and...

HL-39622222

MIDI to DB15 Switcher Design

I need a MIDI to DB15 switcher designed for a Marshall AVT150 head. The primary functionality required is channel switching. The design should prioritize a comp...

HL-39621826

Looking for PCB Freelancer – Altium to KiCad Conversion

Hi! I’m looking for a skilled PCB freelancer to help with a very small but important project. I will send the ZIP file to the freelancer who makes me the best o...

HL-39621223

Bicycle Handlebar Potentiometer Integration

Job Title: Hardware Fabrication & Electronics Engineer – Potentiometer Integration with Bicycle Handlebar Job Description: We are seeking a skilled Hardware Fab...

HL-39621105

RF Jamming Drone Defense System

I'm seeking an experienced engineer to develop a short-range radio frequency jamming system designed to counter drones. The system should be effective within a...

HL-39620329

Bicycle Handlebar Potentiometer Integration

Job Title: Hardware Fabrication & Electronics Engineer – Potentiometer Integration with Bicycle Handlebar Job Description: We are seeking a skilled Hardware Fab...

HL-39619070

KiCad Expert for Multi-layer PCB Design

I'm looking for a highly skilled individual with expertise in KiCad to assist me in designing a multi-layer PCB for a consumer electronics application. The boar...

HL-39618760

Oversee PCB Design and System Integration

Key Projects I have Completed: IoT-Based Remote Monitoring Systems: Designed hardware for real-time data logging, GSM/4G communication, and sensor integration....

HL-39618691

Design a High-Loudness EV Horn -- 2

I need an electronic designer to create a compact, waterproof, 12V EV horn with an inbuilt relay system that can handle X amps safely. It should be cost-efficie...

HL-39618142

KiCad LED Board Design

I need a custom LED board designed using the SK68112 chipset in KiCad. The board is intended for use as a tail light, which I will control with an external cont...

HL-39617962

PCB Design for Wireless DAQ System

I need a PCB designed for a minimal footprint wireless Data Acquisition (DAQ) system utilizing an ESP32 and other components. The system will primarily focus on...

HL-39617807

Arduino Sound Reactive LED Project

I'm looking for someone to help me with an Arduino project that involves WS2812B LEDs. The LEDs will react to sound volume with various patterns. Requirements:...

HL-39617207

Expert Electronics Engineer for Compact Modular System

Project Details £5,000.00 – 10,000.00 GBP Bidding ends in 6 days, 1 hour I'm seeking an experienced electronics engineer to develop a compact modular system for...

HL-39615545

Low-Voltage Switching & DC Regulation

Project Brief (NDA-safe): We need a skilled electronics engineer to develop a compact modular system that: Measures current from multiple low-voltage nodes (1–1...

HL-39614732

Custom PCB Design for Pressure Control ESP32

I am seeking a skilled PCB designer to create a custom printed circuit board for a pressure washing system. The primary function of this PCB will be to control...

HL-39614745

PCB Design for Consumer Electronics Control Interface

I need a PCB board designed for a consumer electronics radio product. The PCB will function as a control interface. Key Requirements: - Design a PCB control int...

HL-39614135

PCB Designer for 3D Printer Board

I am seeking a skilled PCB designer to recreate a 3D printer control board schematic from a provided PDF file. The board is based on a RAMPS-style design using...

HL-39613611

Reverse Engineer Handheld Device -- 2

I'm seeking an electronics engineer for a quick reverse engineering task. You will need to: - Acquire a small handheld radio device (cost will be covered) - Tes...

HL-39613343

Build of Ultra-Low Noise Balanced Dual-Mono Class A Preamp

Project Description: I am seeking an audio electronics builder/designer to build a sample fully discrete, dual-mono, balanced line-level preamplifier, using AMB...

HL-39610426

Real-Time Camera Data Processing System

I need an electronic engineer to design a system using a digital camera to capture information from a small screen divided into four sections displaying codes o...

HL-39609848

RV Park Utility Schematics

I need detailed schematics for both water and electrical systems for a small RV park. Water Distribution Schematic should include: - Pipe routes and connections...

HL-39609647

ESP32-Based Mainboard Design for (Time Tracking Terminal)

Hello Everyone, I’m looking for an experienced electronics engineer to design a custom ESP32-based mainboard for a time tracking terminal. This request is for P...

HL-39609474

PCB Design for Home Appliance

I need a PCB circuit designer to create a power management PCB for a consumer electronics home appliance, specifically led drivers Requirements: - Design a PCB...

HL-39609527

ESP32 PCB Design with PoE & Display

I'm seeking an experienced PCB designer to create a custom board based on the ESP32 microcontroller. The board will integrate a Nextion HMI Display, PoE, PN532...

HL-39609024

Customizable PT100 Wireless Data Logger

Revision 1 PT 100 Wireless Data Logger/Node for transmission on Wifi Halow The purpose of this project is to develop the following, and then we can mass produce...