Circuit Design projects — HireLancer archive

ID / Date Listing

HVAC Controls Engineer for DOAS Design

We are seeking an experienced HVAC Controls Engineer to support the design of a Dedicated Outdoor Air System (DOAS) for industrial applications in hydrogen sulf...

HL-39717462

Flame Scanner Sensor Card Amplifier Board using LOG114 and VTB5051H Photo Diode

Looking for Analog Engineer to develop schematic of Flame scanner module using LOG114 precision trans-impedance amplifier and the VTB5051H photodiode for an ind...

HL-39715581

32 bit CLA Adder in Cadence Virtuoso

Implementation: we will implement 32 bit CLA adder in cadence virtuoso with transient analysis along with mos count, power consumption and delay values along wi...

HL-39715308

Custom CM5 Media Streaming Carrier

I’m building a dedicated media-streaming appliance around the Raspberry Pi Compute Module 5 and need a purpose-built carrier board that folds every essential co...

HL-39715375

Double-Layer PCB Layout Design

I need a PCB layout designed for a specific purpose not listed among consumer electronics, industrial equipment, or medical devices. The design should be a doub...

HL-39715167

PCB Design for LED Driver Module – 48 V Horticultural Lighting

I'm looking for an experienced PCB designer to create a robust single-channel LED driver board for horticultural lighting. This board will use a 48 V DC supply...

HL-39713580

PCB Automotivo para Teensy 4.1

Estou procurando um designer de PCB experiente para criar um circuito impresso automotivo. O PCB deve usar o Teensy 4.1 como núcleo e suportar múltiplas portas...

HL-39711808

Arduino LED Programming for Display

I need assistance in programming Arduino boards to control LEDs for a point of purchase display. The project involves creating engaging LED effects to attract c...

HL-39711734

Design of a 2HP Transformerless Pure Sine Wave Inverter (12V DC to 220V AC) with Protections & LCD

I need a transformerless pure sine wave inverter with a real power output of 2 HP. The inverter will be used for powering AC electric gate motors (1 HP and 2 HP...

HL-39710890

ATtiny84 Night Light System Optimization

Project Title: Smart Night Light with Motion, Light Sensor, Button, and Remote Control Overview: I’m building a handheld night light powered by an ATtiny84 micr...

HL-39710308

Create Introductory Electronics Materials

I need a complete, self-contained learning package that walks a beginner through the foundations of electronics, starting with signal basics all the way to spec...

HL-39709636

Fix UART Corruption on ESP-PIC Link

I'm looking for an expert to resolve a data corruption issue in UART communication between a PIC18F46K22 and an ESP device. The specific problem is that data is...

HL-39709041

Multitopology Converter Simulation in Simulink

I need a boost, buck, buck-boost and sepic, converter simulated in Simulink using a variable voltage source. The simulation should cover: - Efficiency over vary...

HL-39709056

Debugging Pic18F46K22 Issues

I need assistance with debugging a project that uses the Pic18F46K22 microcontroller. The specific issue I am encountering is categorized as "other," which sugg...

HL-39708223

Firefighter Helmet Comm System Integration

I'm looking for an experienced engineer to integrate a communication system into a firefighting helmet. I will provide all components. Requirements: - Input: Th...

HL-39708271

Magnetic Field Communication Circuit

I need assistance with testing and validating an electric circuit for a magnetic field-based communication system. The system transmits signals at a carrier fre...

HL-39706557

Multi-Layer Prototype PCB Design

I’m working on a proof-of-concept device and need a compact multi-layer PCB that combines three key blocks on a single board: a central microcontroller, several...

HL-39706181

Radar Detector ESP32-C3 Integration

I need help creating the circuit and firmware to communicate with my Valentine 1 radar detector using an ESP32-C3 super mini microcontroller. The communication...

HL-39705630

Wideband Amplifier Design Using Non-Chinese Components

Description: I am looking for an experienced RF / Microwave design engineer to develop a wideband amplifier using Non Chinese components. Key Requirements: • Fr...

HL-39704950

Complete Physics Circuit Lab Report

I need someone to complete a full physics circuit lab report. The experiment is already done, but the results are not fully complete. Some calculations are miss...

HL-39704105

SMART TOTO MODUEL

I'm looking for an experienced PCB designer to create a layout for a GSM module with additional features. The PCB will also serve as an IoT device with Bluetoot...

HL-39703755

Multilayer PCB Design for Industry

I need a skilled PCB designer to create a multilayer printed circuit board layout for industrial equipment. The design should be executed using Altium Designer,...

HL-39701927

High-Current WLED Controller Design

I'm looking for a compact WLED controller using an ESP32, designed to power addressable LEDs. The controller needs to handle input voltages between 5-12V via bo...

HL-39701871

Electrical Design Engineer (US-Based) – Workflow & Documentation Research

Structured AI is building tools to automate engineering workflows. We’re looking for an experienced electrical design engineer to help us understand the documen...

HL-39701711

Front-end ASIC Design

I'm seeking an experienced hardware designer to assist with an ASIC project focused on front-end design. Key areas of assistance: - RTL Coding - Synthesis I hav...

HL-39701760

Renogy Inverter Repair

I'm seeking a skilled technician to repair my Renogy 2000W inverter, which is currently not powering on. Key Details: - I've already verified that the power sou...

HL-39700559

Residential Electrical Upgrade

I need an experienced electrician to upgrade my residential electrical system. The project must comply with the 2020 NEC. Requirements: - Add a 100 amp sub pane...

HL-39700620

Electric whip

I’m designing a kids toy that is pretty much an electric whip. I need to design a chipset that uses an accelerometer chipset that can recognize the throw/wave o...

HL-39699351

Pi Shield Audio Project Completion

GENERATED: I'm seeking a skilled electronics engineer to finish modifying an existing Pi Shield audio project for my personal use. The project is partially comp...

HL-39698408

PCB Modification Expert Needed

I need a skilled PCB designer to modify a Gerber, BOM, and CPL files. Key requirements: - Update component on the Gerber file changing to an arduino board - Mod...

HL-39697923

Electrical Engineer Remote - 13/08/2025 14:51 EDT

Budget $7,000 We kindly ask that only candidates who have thoroughly read the entire job posting submit an application. This project is highly specialized and m...

HL-39697393

Create a clean VICTRON wiring diagram based on a sketch and pictures

I’m looking for a freelancer with good knowledge of VICTRON ENERGY products to create a wiring diagram similar to the sample diagrams provided by the manufactur...

HL-39697241

High-Speed PCB Layout Design

I need a skilled PCB designer to layout a PCb with a complex 105-page schematic in KiCad. The design includes a Xilinx FPGA, ADCs, and other circuits. Key Requi...

HL-39696969

PXI 3U Interface Design Support

I need design support for a PXI 3U interface, primarily for the connection to the standard backplane. Requirements: - Provide a detailed schematic - Follow indu...

HL-39696792

Single or Dual-layer PCB Design for cellphone

Project: PCB Design for Consumer Electronics Feature Phone I’m looking for an experienced PCB designer to create a single-layer or dual-layer PCB for a feature...

HL-39696695

Custom Cable Tester Development

I'm seeking an experienced electronic engineer to design a custom cable tester. The tester should be able to test various cable types, including radio type cabl...

HL-39696101

Residential Electrical Design Specialist

I'm seeking an experienced electrician to design and calculate the electrical systems for a residential project. The systems include: Lighting Power outlets and...

HL-39695864

Custom ESP32 PCB Design

I'm looking for an experienced PCB designer to create a custom PCB using the ESP32 chip. and 2 sample pcb. Key Requirements: - The PCB must adhere to specific d...

HL-39695477

Kicad PCB Design for Radio

I'm looking for an experienced PCB designer to create a PCB using KiCad9. The components and their footprints are detailed in the Schematic Diagram file, which...

HL-39695396

Dual-Camera Module Schematic. Design

I'm seeking an experienced PCB designer to create a schematic for a dual-camera module incorporating two image sensors. Key Requirements: - The design must incl...