Analog / Mixed Signal / Digital projects

ID / Date Listing

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-40523752

Mixed-Signal Circuit Design for Traffic Lights

I'm seeking an experienced electronics design consultant to create a mixed-signal circuit for a traffic light system. Key Requirements: - Expertise in mixed-sig...

HL-40465464

Buck-Boost Converter PCB Design

I am looking for an experienced electronics engineer to design a buck-boost DC-DC converter board. The board takes a 24 VDC input and produces two regulated out...

HL-40410600

Audio & Video Integration for Production Truck

I need an experienced audio and video engineer to integrate systems for an 8-11 24 foot Mobile Production Truck with 6 to 7 work stations. Key Tasks: - Some Equ...

HL-40391737

Compact Dual-Band Sensor PCB Layout

My company is building a wearable-PCB that is very small (32 mm x 20 mm), needing cellular and GNSS antenna traces and clean high-speed digital routing. Our sch...

HL-40317409

28 GHz RF downconverter with IF 5-6Ghz

I have a working schematic for a double-balanced Gilbert mixer aimed at 28 GHz in a 65 / 60 nm CMOS flow on Cadence Virtuoso (ADE L/XL). The core blocks—RF matc...

HL-40244883

Dynamic Concert Lighting Technician -- 2

I’m staging a live concert for an audience of roughly 500-2,000 people and want the lighting to feel every bit as energetic as the music. The show calls for adv...

HL-40230635

4-Layer ARM Handheld PCB

Project Description: I'm building a compact, consumer-grade handheld device that hosts multiple ARM processors and modules on a single 4-layer board. The design...

HL-40221287

STM32, Nucleo F767ZI based graphical user interface on TFT LCD ST7789 2" and Raspberry Pi-4 5" touchscreen

The embedded system comprises 2 STM32 boards connected to their own 7 sensors, 1 motor, and 3 relays. Each is connected to a central Raspberry Pi 4 board. The R...

HL-40146684

Radio-Controlled Mower Door Circuit -- 2

I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...

HL-40137658

Radio-Controlled Mower Door Circuit

I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...

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...

HL-39859611

Wearable Medical Device | Electronics System Architect

I am outlining a new, ultra-low-power wearable that centres on health monitoring. The core features I must enable are continuous heart-rate, blood-oxygen (SpO₂)...

HL-39847904

Optimize ESP32 BMI Timing

I have an ESP32 project with a TFT display that measures BMI (Body Mass Index). The code is working, but there’s a timing issue during the measurement phase. Cu...

HL-39763412

Compact PCB design based on TI EVM430-FR6043 board - 05/09/2025 03:25 EDT

Project Overview: We are seeking an experienced freelance PCB designer to create a compact, minimum 4-layer PCB for an ultrasonic flow meter based on Texas Inst...

HL-39606055

Design 12-bit SAR ADC in 90nm CMOS

design a 12-bit Successive Approximation Register (SAR) Analog-to-Digital Converter (ADC) using 90 nm CMOS technology Key Requirements: - Develop a schematic ca...

HL-39578063

EEG Arduino Shield – Full Review, Fixes, and Functional Validation + WiFi Signal Streaming and Python Visualization

PART 1: EEG Shield Hardware Design Review & Fix (KiCad) I need an experienced electronics engineer to review, correct, and finalize an existing EEG Arduino Shie...

HL-39555968

Compact Smartwatch PCB Design & Prototyping

Design and Prototype a Compact Wearable Smartwatch PCB (BLE, Sensors, Charging) We are looking for an experienced hardware design engineer or embedded system de...

HL-39534421

Trading forex

Analisa grafik trading forex berdasarakan sinyal grafik

HL-39393382

Fix Yamaha RX-A780 No Sound Issue

My Yamaha RX-A780 receiver stopped producing sound, despite having worked perfectly before. This has happened to me once prior 2 years ago, called The GEEKS and...

HL-39298700

Windows or Linux Installer for deepSIG's OmnSIG Software

I'm seeking a developer who can provide a Windows-compatible Executable (.exe) installer for deepSIG's OmnSIG software. The installer must include a License agr...

HL-39295852

Health Wearable: Full-stack HW engineer needed

We are an early-stage startup based out of Gurgaon, India. We want to build a health wearable that monitors muscle oxygenation during workouts and provides real...

HL-39243130

Reconstitución de Usando el teorema de Nyquist Shannon

1. Realizar todo el trabajo en Ecxel. 2. Graficar las dos curvas originales. 3. Aplicar el teorema de Nyquist Shannon a cada curva por separado utilizando la fr...

HL-39241242

PCB Design Evaluation with AD7606B Specialist

I'm seeking an expert to evaluate a PCB design I implemented using the AD7606B ADC. This board is intended for use with acoustic sensors and a Nucleo board, all...

HL-39064096

Depth Water Measurement Device Using a Piezoelectric Sensor -- 2

Project Overview The objective of this project is to develop a device for measuring depths greater than 50 meters. The main tasks of the device are to: Acquire...

HL-39059945

Oscilloscope Firmware for STM32H735G-DK Kit

Microcontroller: STM32H735G-DK Discovery Kit Create an oscilloscope firmware using text editor on zephyr and display it on STM32H735G-DK Discovery Kit To get th...

HL-38931959

Microcontroller Based Precision Temperature Measurement Board Development

I'm seeking an experienced developer to create a Microcontroller based main board & write the software for me. Key Project Specifications: - The board should fe...

HL-38795719

Interactive Live Data Digital Display

I'm seeking a professional for the creation of a digital display primarily intended for information dissemination. This digital display will be situated indoors...

HL-38767546

Mixed Signal Class B Controller Board Design

We have a controller for our system that uses two processor modules (CM4 and STM32/Nucleo Board) and has onboard DC/DC modules, BLDC Motor Drivers and FETs, Ste...

HL-38626794

Teach Me 12-bit ADC Design in Cadence

I'm seeking a mentor to help me understand and implement a 12-bit ADC using Cadence. I'm familiar with the software at an intermediate level, but I need guidanc...

HL-38566343

PA System & Sound Engineer Needed (Lincolnshire)

I'm in need of a professional sound engineer with experience working with rock bands for a private event in Alford, Lincs on Sat 12th October. The event will fe...

HL-38562625

Live Data Digital Display Creation

I'm seeking a professional for the creation of a digital display primarily intended for information dissemination. This digital display will be situated indoors...

HL-38526283

Firmware Engineer Needed for PGA970 Programming

I'm seeking a skilled firmware engineer to program the PGA970 for a half-bridge LVDT, specifically using the Half Bridge Marposs probe model H10. The firmware m...

HL-38469578

Do you know C#, DSP, and CUDA?

I'm looking for an expert in C# and CUDA to help me with a project focused on digital signal processing (DSP) with an emphasis on Fourier transforms.

HL-38420599

C# and Fast Fourier Transform (FFT)

An expert with knowledge on C# and Fast Fourier Transform (FFT) is needed

HL-38378423

Analog Music Player Design

I'm looking for a talented freelancer to design an analog music player specifically for adults. The project does not have a strict deadline so quality is the pr...

HL-38237038

PCB Design

I am searching for a talented freelancer who has a background in PCB designing and fabricating double layer through hole and SMD components. The key responsibil...

HL-38167468

Op-Amp Based Bandgap Reference Circuit Design

I'm in need of a professional to design an Analog Circuit, specifically an Op-Amp based bandgap reference circuit. Please provide a quote or your expertise is g...

HL-37995844

K Thermocouple Industrial Precision Measurement Board

I'm seeking a professional with expert knowledge in precision analog design. Goal of the project is a small prototype board to measure K type thermocouple eleme...

HL-37846770

FLIR Camera Control with LattePanda and Arduino Integration

Overview: This project develops a Windows application to directly control FLIR cameras using a LattePanda mini PC and its integrated Arduino. The application wi...