Electrical Engineering projects — HireLancer archive

ID / Date Listing

Half-Bridge Converter Circuit Design & Simulation

Consider the half-bridge converter given in the figure below with parameters L = 690 μH, R = 5 mΩ, VDC/2 = 600 V and Vs = 400V. Perform the following for this h...

HL-39987420

Malawi Quality Control Inspector Needed

I need an on-site quality control inspection carried out on mechanical equipment installed at several facilities in Malawi. The bulk of the work involves checki...

HL-39986987

Solar-Powered AWG Concept and Technical Design

Freelancer Project Request – Atmospheric Water Generator Using PV Solar Power Project Title: Design and Development of a Solar-Powered Atmospheric Water Generat...

HL-39986443

Remote Industrial Electrical Review

I have a 500 kVA transformer feeding an LT panel, several distribution boards, a diamond wire saw running on PLC-controlled VFD and servo drives, plus multiple...

HL-39986368

New House Electrical Plan

I need an electrical plan for a new construction one floor 2306 sf house building project at Florida in USA. The scope is a complete plan—every circuit, switch,...

HL-39985952

Prototype a Low-Voltage Converter

Design and prototype a low-voltage doubler or boost at minimal BOM-cost. ======= CLIENT A nonprofit electronics mentoring project for disadvantaged teenagers. W...

HL-39985979

AD7512-ADG5436 Switch Migration

My existing design relies on the AD7512 protected dual SPDT CMOS analog switch in a 14-pin PDIP package. Production stock has vanished, so I am moving to the An...

HL-39985997

Lock Board Hardware Integration

I need firmware and accompanying host-side code that speaks the existing Lock Board Protocol so a central controller can trigger a locker door and know, in real...

HL-39985807

Cafe Design Engineer

I need a Mechanical & Electrical Design Engineer to assist with a cafe project. Your expertise will be crucial in creating a functional and aesthetically pleasi...

HL-39985018

Fixed-Wing LiDAR Mapping UAV

I’m commissioning the full design of a long-endurance fixed-wing UAV that can fly extended missions with a survey-grade LiDAR payload. Its core job is environme...

HL-39984398

Residential Electrical Installation

I’m upgrading a home and need a skilled electrician to handle a full installation package—new lighting fixtures, additional electrical outlets, and the necessar...

HL-39984324

NTR08 LoRa Transceiver Module Driver (STM32)

We need a clean, STM32-friendly driver for the NTR08 Series LoRa Transceiver Module (SX1262 based) and a small demo that shows two modules can talk. Everything...

HL-39984066

AI Bathroom System for Trucks

I’m building an AI-enabled delivery truck that comes with its own private restroom, freeing drivers from the bottle-in-the-cab routine and giving fleet operator...

HL-39984079

Automatic TP5100 Charge Cutoff Circuit

I’m using a 2-cell Li-ion pack (8.4 V full, 7.4 V nominal) with the TP5100 charging module and I need an add-on circuit that will: • Drop the adapter input the...

HL-39984118

Arduino Basics & Coding Lessons

explain how each is to be done

HL-39983734

PLC & Panel For Sorting Conveyor

I need a complete PLC solution for my omni-wheel sorter conveyor. Your brief is to design and program the PLC logic that handles precise motor control across th...

HL-39983344

Motion-Detecting Anti-Suicide Fan

I’m putting together a small proof-of-concept fan that shuts itself off the moment motion is detected near the blades, demonstrating a simple yet effective anti...

HL-39983323

Dynamic Response Simulation of Half-Bridge Converter - 15/11/2025 15:38 EST

By using Matlab I need to solve it Dynamic Response of Half-Bridge Converter Consider the half-bridge converter of Figure 2.1. The system parameters are L = 690...

HL-39983118

Dynamic Response Simulation of Half-Bridge Converter

By using Matlab I need to solve it Dynamic Response of Half-Bridge Converter Consider the half-bridge converter of Figure 2.1. The system parameters are L = 690...

HL-39983306

Battery Anti-Suicide Fan Prototype

I need a compact, battery-powered working model of an anti-suicide ceiling fan made primarily from plastic. The unit must demonstrate how the fan instantly stop...

HL-39983310

Battery Anti-Suicide Fan Prototype -- 2

I need a compact, battery-powered working model of an anti-suicide ceiling fan made primarily from plastic. The unit must demonstrate how the fan instantly stop...

HL-39983207

Parker 6k Servo Control Programming -- 2

I’m running a Parker 6K motion controller that drives two GV6 servo drives and a pair of SM231 motors, and I need a clean, dependable program written in the 600...

HL-39983070

Subsea Vehicle Prototype Mechanical design

We are looking for an experienced Mechanical Engineer with strong prototype manufacturing and assembly skills to help build a first-article subsea vehicle proto...

HL-39983095

Dual-Size Arduino Nano Control PCB with Schematic and Circuit Design -- 2

I need a compact, two-variant PCB built around an Arduino Nano, an XBee S2C radio module, two potentiometer-driven analog inputs, two stepper motor drivers, and...

HL-39982747

High-Performance EV Scooter Engineers

I’m steering a Bangalore-based start-up that is about to build a 10–20 unit pilot batch of high-performance electric scooters. Certification is wrapping up and...

HL-39982552

15 kW Bidirectional DC-DC Design

I am developing a 15 kW bidirectional stage that links a 400 V DC bus to a 0-330 V 40 ADC battery load. We want to use the Texas Instruments LM5171 controller....

HL-39982409

Smart Home IoT Lighting Developer

I'm seeking an experienced IoT hardware developer to create smart home devices. The main functionality will be lighting control. Requirements: - Develop smart h...

HL-39981760

Belt Conveyor Design Coursework

I need comprehensive coursework on belt conveyor design and engineering. Requirements include: - Focus on design and engineering aspects - Belt conveyor type -...

HL-39981736

Craft Technology Opinion Blog Post

Need a well-structured blog post that takes a clear stand on a current technology issue. The piece must read as an opinion article, not a tutorial or news brief...

HL-39981575

LoRa & NB-IoT Networks Design using HTZ

HTZ Communications Project – LoRa vs NB-IoT Network Design & Report I need a telecom/wireless engineer experienced with HTZ Communications to design, simulate,...

HL-39981595

Honeywell SCADA Implementation for Oil & Gas Terminal

I need an experienced professional to implement a Honeywell SCADA system for controlling terminal automation at an oil and gas terminal. Key Requirements: - Con...

HL-39981626

Capacitive Touchpad PCB Design

I'm looking for an experienced PCB designer to create a capacitive touchpad with 4 simple touch detection inputs. The touchpad dimensions should be 2 inches by...

HL-39981330

Aluminium Door CE Certification Support

I need to complete CE marking for a line of aluminium residential swing doors. All core documentation is ready on my side—technical drawings and specifications,...

HL-39981120

Torchlight Modification Expert Needed -- 3

I need a skilled individual to modify a battery-operated torchlight. The goal is to design a mechanism that causes the filament to "blast" when triggered from t...

HL-39980990

Barometric Altimeter with PCB

I'm looking for an experienced developer to program a barometric and accelerometer-based altimeter and design its PCB. The altimeter needs to have the following...

HL-39980907

Exact PDF to DWG Electrical Conversion

I have a set of electrical drawings locked inside a PDF and I need them rebuilt in DWG format with no loss of fidelity. Every line, symbol, layer, dimension, an...

HL-39980770

Designing a fully-differential Miller compensated two-stage opamp with CMFB.

Goal You are tasked with designing a fully-differential Miller compensated two-stage opamp with CMFB. This opamp will be eventually used to form an inverting am...

HL-39980673

Electrical Engineering / Electrical Principles / Electrical Controls Calculations

I’m looking for a tutor who can guide me through electrical-engineering problems. My priority is mastering the underlying principles of DC and AC circuits, semi...

HL-39980628

Arquitetura de Processador MIPS 32-bits

Aqui está uma sugestão de descrição de projeto, otimizada para publicação em uma plataforma como a Freelancer.com, com base no documento que você forneceu. Títu...

HL-39980371

ESP32 based Custom PCB development

Need a simple PCB designer using ESP32 kicad or any Cad Schematics and PCB development using ESP32, reading only few digital and 6 analog inputs.most of the dra...