Circuit Design projects — HireLancer archive

ID / Date Listing

Altium Schematic Design & Component Validation for Embedded Systems

We're building a compact, low-power dual-embedded system consisting of a wearable device and its base station. The architecture is defined in a detailed PDF spe...

HL-39487733

Drone Circuit Design with ATmega

I'm looking for an experienced electronics engineer to design a circuit for a 4-motor drone. This drone is used for experimental purposes and will include an AT...

HL-39487799

Solenoid Controller with STM32 and NFC

Project Summary: We are developing a solenoid controller circuit based on the STM32F103C8T6 microcontroller and the STMicroelectronics M24SR64 NFC chip. The pro...

HL-39486925

Salt Water Power Tech Integration - 07/06/2025 07:53 EDT

I need an expert to help with the testing and validation of our salt water power generation system. This is Phase 2 of our development, where we aim to integrat...

HL-39423104

Custom RTC PCB Design

I'm seeking an experienced electronics hardware designer to create a compact, reliable, and manufacturable Real-Time Clock (RTC) PCB for our product. Key Featur...

HL-39425311

Compact Bluetooth-Integrated Monitoring Device

I need an EasyEDA schematic for a compact PCB device (under 5x3 cm) featuring: - NINA-B306-01B Bluetooth chip (with programming via micro USB) - BMI323 9-axis I...

HL-39424264

Pcb files creation

I need pcb file created. Simple pcb with no components except for 10 screw pads. I have uploaded a image example of a screw pad. The pcb is 1 inch wide and abou...

HL-39423335

PCB Design Update and Gerber Generation

I need a PCB design update and Gerber files generated for manufacturing. The updates include: - Updating pin headers connectors - Adding additional RF connector...

HL-39423032

US Tariff Calculation for Electronics

I need a detailed tariff calculation based on the new US requirements for importing electronic components, specifically chips and circuit boards. Key requiremen...

HL-39422905

Compact Camera PCB Design

I need a compact camera PCB board for industrial monitoring. The camera will be used indoors and must support 1080p resolution. Key Components: - Camera - ESP32...

HL-39422513

Chip Antenna PCB Design

I'm looking for a skilled PCB designer to create a chip antenna PCB and a matching circuit for an IoT device. Requirements: - Design a chip antenna within the s...

HL-39422425

Custom PCB for Loom Stats

I'm looking for a custom PCB to collect statistics from a power loom. I'm assuming an ESP32 could be used for this purpose. Key components needed: - Small LCD d...

HL-39420064

Convert PCB Design to Circuitmaker

I need a PCB design from Altium converted to native Circuitmaker format. The design should remain unchanged. Requirements: - Circuitmaker Native format - Gerber...

HL-39419715

LTspice Analog Circuit Debugging

Very small work. Simulation is not running. I'm working on an analog radio circuit in LTspice and facing simulation errors. I need help debugging these issues t...

HL-39419367

Custom Circular PCB with ESP32-C3

I need a custom circular PCB designed and manufactured (including component assembly via services like PCBWay) to integrate several modules into one compact, re...

HL-39419018

Advanced Cadence PCB Design Course

I'm seeking a comprehensive 40-hour PCB design course using the Cadence PCB design tool. The course should cover basic to advanced topics, including high-speed...

HL-39419035

Single-Layer PCB Design for Radio

I need a single-layer PCB designed using EasyEDA for a radio project. This PCB will be used for production, so high precision and reliability are essential. The...

HL-39417492

GPS + LoRa PCB Design

I'm seeking an experienced PCB designer to create a production-ready PCB for a compact GPS + LoRa tracking device, no larger than 30mm x 30mm (40mm max if neces...

HL-39417048

High-Temperature Quartz Crystal Oscillator

I'm looking for an experienced electronics engineer to design a quartz crystal oscillator circuit. The primary requirement is high temperature endurance. Key re...

HL-39417051

Circuit Design Needed By Using React flow

I need a proof of concept (POC) design for a project. I need Circuit Design By Using React flow... Please provide relevant work samples and experience.

HL-39416738

GPS+LoRa PCB Design

I need a PCB design for a compact GPS+LoRa chip, either 30mm x 30mm or 40mm x 40mm. The device will be used for location tracking and needs to be operational ab...

HL-39415215

Wired Ring Doorbell Installation

I need help installing a wired Ring doorbell. I don't have any existing doorbell wiring, and I'm having trouble with the wiring connections. Ideal Skills and Ex...

HL-39415035

POC Design Needed

I need a proof of concept (POC) design for a project. Key Requirements: - Type of POC: Mobile app, web application, or software tool (to be determined) - Primar...

HL-39413847

EasyEDA PCB Design for Medical Wearable

I'm seeking an expert PCB designer with experience in EasyEDA to create a PCB for a flexible medical monitoring wearable device. Key Requirements: - Advanced ro...

HL-39409866

PABX Telephone System Development

I need a comprehensive development package for a PABX telephone system. This includes: Schematic Design: - Create detailed schematics for the PABX telephone sys...

HL-39409588

Mixed-Signal Circuit Design for Consumer Electronics

I need an experienced Hardware Engineer for circuit design. The project involves: - OrCAD CIS Capture for schematic design - Layout in Allegro (if possible; sup...

HL-39409546

Control Panel Design for Process Control

I'm looking for an experienced electrical engineer to design a control panel for process control applications. The panel will need to incorporate motor controll...

HL-39408491

PCB Layout for Automation Signal Processing

I'm seeking an experienced PCB designer for a small project. The PCB will be used in industrial automation systems and needs to support signal processing functi...

HL-39405589

Laptop & gpu Hardware Repair Specialist

I need a skilled technician to repair laptops with multiple issues. Ideal Skills and Experience: - Expertise in repairing various brands (HP, Dell, Lenovo) - Ab...

HL-39405591

Control Panel Wiring for Automation

I need an experienced electrician to wire a control panel for process automation. The panel will include circuit breakers, relays, and a PLC (Programmable Logic...

HL-39404201

Smart Water Monitoring IoT Device

This device uses advanced sensors and AI insights to monitor water consumption, detect inefficiencies, and enhance drinking water quality through integrated pur...

HL-39403381

MV Capacitor Bank Design

I'm seeking a skilled engineer to design a medium voltage (1-35 kV) capacitor bank for power factor correction at an electrical substation. Key Requirements: -...

HL-39403265

Design of MV Capacitor Bank -- 2

I'm seeking a technical consultant to design medium voltage (MV) capacitor bank primarily for power factor correction in the utilities sector. Key requirements:...

HL-39402822

LTspice Mixed-Signal Circuit Expert

I need an LTspice expert to assist in creating and simulating circuits. Key tasks: - Create and simulate circuits - Analyze circuit results Ideal skills and exp...

HL-39402250

circuit design

I have a simple circuit diagram and would like to add reverse polarity protection to ensure the components remain safe.

HL-39401988

Arduino Nano Art Setup

I'm looking for someone to help set up an Arduino Nano for an art project. Requirements: - Configure Arduino Nano - Integrate LEDs and sensors - Provide documen...

HL-39400665

Smart Water Monitoring IoT Device

This device uses advanced sensors and AI insights to monitor water consumption, detect inefficiencies, and enhance drinking water quality through integrated pur...

HL-39398197

Newly developed Multi-functional Desk Lamp. Capacitive sensors not functioning properly -- 2

Hello, We are a start-up company based in London, UK and currently working on a LED desk lamp made of aluminium profiles and controlled by touch capacitive sens...

HL-39397931

Hybrid Solar/Wind Railroad Warning System

I'm seeking a skilled engineer to design a prototype for a solar and wind-powered hybrid railroad safety warning system. The system aims to enhance both daytime...

HL-39397007

PCB Design for ESP32 and Stepper Motor

I'm seeking a skilled PCB designer to create a final product PCB. The board will integrate the following components: - ESP32 - 1 Stepper Motor Driver - Outlets...