Circuit Design projects — HireLancer archive

ID / Date Listing

Experienced RF & STM32 Consultant Needed for Custom Embedded Device Development

We are developing a custom electronic device that integrates RF communication, STM32 microcontrollers, sensors, power management, and other embedded hardware co...

HL-40530686

Standard LED Forward-Voltage Tester

This is my first circuit card. Q.; Which exact PSpice version are you using today, and do you want full compatibility with a specific student edition release? A...

HL-40530340

Rapid IoT Fish Tank Development

Smart Fish Tank IoT Project Development (Delivery Required Within 24 Hours) I am looking for an experienced Embedded Systems/IoT developer to complete a Smart F...

HL-40529774

Ultra Low PDP Domino Logic Design for IEEE Publication -- 2

I am seeking an experienced VLSI Research Engineer with expertise in Cadence Virtuoso, Spectre Simulation, CMOS Circuit Design, Low-Power VLSI, and IEEE Paper W...

HL-40529254

IoT Sensor Circuit Board Design

I need an IoT circuit board designed for sensor data collection using an ESP32. The board should integrate the following sensors: - Temperature - Motion - Humid...

HL-40528470

PCB Design for ESP32 and Sensors

I'm seeking a PCB designer to create a two-layer, 80x60mm PCB using KiCad. Requirements: - 12V input with LM2596 5V buck converter - ESP32 DevKit mounted on fem...

HL-40528050

Double-Layer Aluminum PCB Design

I’m building a new industrial controller and need a reliable double-layer PCB laid out on an aluminum core. Thermal performance and mechanical durability are pr...

HL-40528115

PCB Repair for E-Scooter Controller

I'm looking for an experienced PCB repair specialist. The PCB for an e-scooter controller has burn marks and broken traces. Key Requirements: - Diagnose and rep...

HL-40527705

ESP32 HUD Prototype Refinement

I have an early-stage ESP32 heads-up display that boots and runs a demo, yet the hardware still feels like a proof-of-concept. My next step is to polish the des...

HL-40527226

RVLDG Paper Replication and Optimization

Replicate the reference RVLDG paper exactly in Cadence Virtuoso using 90nm CMOS technology and then develop a novel optimized version with minimum Power Delay P...

HL-40522523

VLSI Design For Low PDP Domino Logic -- 2

Title: Research & Implementation Requirement – Ultra Low PDP Domino Logic Design for IEEE Publication Project Objective I need an experienced VLSI Research Engi...

HL-40527067

Single-Layer PCB Layout Needed 4 designs

I need a compact, single-layer PCB designed for a forthcoming consumer-electronics gadget. The board must fit within exact physical limits that I will share onc...

HL-40527015

Multi-Source Power Converter Integration

I am building a low-power (below 1 kW) drive system that blends a fuel cell, solar panel string and a battery into one regulated DC bus. This bus will feed an E...

HL-40526314

Experienced KiCad PCB Optimization Engineer

PCB Design Review & Manufacturing Optimization Engineer (KiCad) Project Overview We are seeking an experienced PCB design engineer with strong KiCad experience...

HL-40525726

Implementation and Novelty in Base Paper Design for IEEE Publication

I am seeking an experienced VLSI Research Engineer with expertise in Cadence Virtuoso, Spectre Simulation, CMOS Circuit Design, Low-Power VLSI, and IEEE Paper W...

HL-40525617

Attendance Device PCB and HMI Design

PCB Designer Needed – Attendance Device Need an experienced PCB designer for an attendance device. Main Components - STM32 Blue Pill (STM32F103) - 7" DWIN HMI -...

HL-40525356

On-Site Antminer S19 Technician

I run a small bitcoin-mining facility in Rosenberg, Texas and several of my Antminer S19 units have gone down. I need someone local to the Sugar Land / Rosenber...

HL-40524653

PC-Mobile Hybrid Joystick Design

I want to build an advanced gamepad on par with the Zebronics Max Fury, yet still keep the total component spend below ₹3,000. The controller must run flawlessl...

HL-40524399

Complete PCB Redesign in Altium

Will share details with shortlisted candidates

HL-40523555

Finalize PCB & Electronics Prototype

I already have an early-stage electrical architecture on paper, but I need an experienced consultant to drive it over the finish line and turn it into a product...

HL-40522860

PCB with 4 channels mosfet power switches

Create a PCB with mosfet power switches for 4 lines (both positive and negative wires), controled by PWM signal (high is on). And current control circuit, to co...

HL-40523344

Multilayer PCB for High-Current Converter

I need a power-electronics specialist to take my high-frequency resonant converter from concept to production-ready multilayer PCB. The heart of the job is the...

HL-40523212

Single-Sided Sensor PCB Design

I’m building a small personal device that relies on several sensors, and I now need a single-sided PCB layout to tie everything together. The board only has to...

HL-40523135

High-Density DMS-60 Breakout PCB

Job Title: PCB Design: High-Density DMS-60 (4x15 Straight Matrix, 1.27mm Pitch) to Standard 2.54mm Breakout Board Job Description & Scope of Work: We are lookin...

HL-40519107

Switch Sensor PCB Design + full build

Please note this is not just a PCB design task, I need a complete implemented solution I need a compact, ultra-low-power PCB that can read a group of simple slo...

HL-40521131

Automotive ESP32-S3 PCB Design

PCB Designer Needed – Ultra-Compact Automotive/Motorcycle BLE Control Board I'm seeking an experienced PCB designer to develop an ultra-compact, production-read...

HL-40521156

2.4 GHz RF Amplifier PCB Design

I need an RF power-amplifier stage built around the Qorvo TQP7M103 that is perfectly matched to 50 Ω at both ports and centered at 2.4 GHz. All work must be car...

HL-40520317

KiCad Vehicle PCB Layout Verification and pcb design

I have already completed the schematic and compiled a detailed BOM for a universal vehicle body control unit. All functional requirements and mechanical dimensi...

HL-40520339

PCB Creation for LED Collimator System

Project Title: LED Collimator PCB Design for Existing Circuit Schematic Project Description: We are looking for an experienced PCB Design Engineer to design a P...

HL-40520378

Optimize ESP32 Telegram Motor Control

I already have an ESP32 dev board toggling a 2-channel, low-level-trigger 5 V relay through a Telegram bot. The basic sketch is functional, but I want it tighte...

HL-40520271

Intermediate Schematic Diagram Creation

I need an intermediate-detail schematic diagram that cleanly shows how resistors, capacitors, microcontrollers, and the power-supply section interconnect. The d...

HL-40519836

智能设备 PCB 设计合作

我正在寻找一位熟悉智能穿戴设备和 AI 智能设备两类产品的 PCB 设计工程师，建立长期合作关系。项目目前没有硬性时间限制，我更注重方案的质量与可落地性。工作要点 • 依...

HL-40518865

Design Electronic circuit

More details: What is the primary purpose of the electronic circuit? Signal processing What type of signal will the circuit process? Digital What specific funct...

HL-40518223

Timed LED Switching Circuit Design

I need a timed switching circuit that activates upon a successful payment signal from a card payment reader. This system should be capable of turning one LED li...

HL-40517693

12V Sailboat Circuit Design

I need a clear, reliable 12-volt circuit worked out for my small sailing boat. The system consists of a Lifepo4 house bank of 2x150ah to be wired in parallel, a...

HL-40517601

MATLAB-Simulink Electrical Power Mitigation Project

I need help with a MATLAB/Simulink electrical power system project related to voltage sag mitigation in a distribution network using UPFC. The main objective is...

HL-40517385

Bus Toilet PCB Design

I need a PCB designed for a bus toilet system. The PCB should control the following functions: - Lighting - Flush system - Ventilation - LED lights for error in...

HL-40515973

Cooling/Heating System Prototype

I need an electrical engineer to build a working prototype for a cooling and heating system. The prototype requires microcontrollers and sensors. Ideal Skills a...

HL-40514887

Control System Double-Layer PCB

I need a purpose-built PCB for an APAS control system that will ultimately drive a small embedded platform. The board must be laid out on two copper layers and...

HL-40514678

Simple Reed Switch PCB Gerbers

The job is to turn a very small, single-sided board—35 mm × 23 mm, 1.5 mm thick—into a full Gerber package ready for fabrication. The layout is straightforward:...