Signal Processing projects — HireLancer archive

ID / Date Listing

Radio Frequency Engineering Expert

I’m refining a hardware-software product whose success hinges on solid radio-frequency performance, and I need a seasoned RF engineer to guide that part of the...

HL-39946022

AI Conversation Assistant Wearable Prototype

An invisible, AI-powered wearable will whisper real-time insights—fact-checking, conversation prompts, and subtle reply suggestions — while I continue hearing t...

HL-39945795

Compact Single-Layer HV Signal PCB

I need a one-layer PCB, smaller than 5 cm × 5 cm, that takes a low-level control signal, divides it with a 4020 counter, passes it through a MOC3041 opto-triac...

HL-39942917

Control System Design (MATLAB/SIMULINK) [Expert required only from PAKISTAN]

I am looking for MATLAB experts in the field of Control System Design I am looking for only Pakistani based electrical engineers I have lot of tasks and looking...

HL-39941269

Industrial Automation PCB Design

I am Dr. Sampath Emani, a PhD in Chemical Engineering I am writing to seek your collaboration on a consulting project involving the design and development of a...

HL-39940370

Basic Wind Turbine AC-DC Converter

I need a straightforward circuit that turns the small-scale AC output of my miniature wind generator (i have followed a YouTube guide to make the generator, a b...

HL-39938372

Simulación PID PT100-Peltier MATLAB

Necesito una simulación básica en MATLAB/Simulink y Multisim que muestre cómo un controlador PID analógico mantiene la temperatura de una celda Peltier, medida...

HL-39937004

ESP32 SFH7072 Firmware Development

I am interfacing the SFH7072 pulse-oximeter sensor over I²C with an ESP32 and need production-grade firmware that gives me clean, trustworthy data. The first mi...

HL-39935349

Compact Smartwatch PCB Design

I’m building a small, rugged smartwatch and need a complete PCB designed that fits inside a maximum watch size of 40 × 40 × 12 mm (rectangular preferred). The b...

HL-39933377

CNN Accelerator Design in Verilog

I need a Verilog implementation of a CNN accelerator with a DRAM interface. The accelerator should perform matrix multiplication on fixed-size matrices. The DRA...

HL-39933070

Arduino pcb

Freelancer Request Message (Updated with TFT feature) Subject: Request for Full Design and Documentation – Interactive Force-Controlled Liquid Dispensing System...

HL-39932818

PCB Design for Smartwatch

I need a detailed schematic diagram, Bill of Materials (BOM), and Gerber files for a smartwatch PCB. The smartwatch will have notifications and alerts functiona...

HL-39932489

Electro-Osmotic Concrete Drying Design

Electro-Osmotic Drying System – Electronics Specification Electro-Osmotic Drying System – Electronics Specification Client: Frode Evje – Norway Project Scope El...

HL-39929776

Web-Based Lighting Control App

I need a Windows app to control up to 20 lights via COM port using RF receivers and transmitters. The app should have a web-based interface and include the foll...

HL-39928883

Improve Existing Circuit Design

I have a functional ESP32 setup that uses a 4×4 conductive matrix (rows × columns) designed to detect cuts. Each intersection represents a “cell” in the network...

HL-39928563

Verilog 1011 FSM for Zynq

I need a concise, synthesizable Verilog finite-state machine that detects the bit sequence 1011 (with overlap) and drives a single-cycle “found” pulse when the...

HL-39925481

PSK RF Jammer Circuit

I’m putting together a small research project that calls for an RF jammer able to suppress PSK signals in the 0-500 Hz range. I’m looking for an intermediate-le...

HL-39925281

TradingView Strategy modification

Requested Modifications: 1. Time Filters per Mode (Riyadh Time, GMT+3): • Mode 1: Only allow trades between 02:00 AM and 10:00 PM. • Mode 2: Only allow trades b...

HL-39924551

Automatisation du système d'alerte du bâtiment

Le bâtiment est déjà équipé de ses propres points de déclenchement via une centrale ; je souhaite maintenant automatiser toute la partie alerte. Concrètement, i...

HL-39924444

8kW PWM İndüksiyon PCB Tasarımı

Tek bir baskı devre kartı üzerinde 4 kW + 4 kW toplam 8 kW gücünde, 80-120 kHz aralığında çalışacak PWM kontrollü bir indüksiyon ısıtma devresi tasarımına ve ça...

HL-39923762

PCB designing

More details: Design A PCB having capability of gps, microphone, GPRS connectivity, battery point. Similar to A9G module.

HL-39919212

Detailed MFE/MAE Analysis of my Pine strategies' results

I'm looking for someone to analyze my trade results for optimal MFE/MAE-based metrics. I have exports of list of trades with run up/draw down for each trade, wh...

HL-39918931

Arduino PIR Dimmer Upgrade

I have a basic sketch that switches a light on for five seconds whenever my PIR sensor spots movement. It works, but I now want smoother control over the lamp’s...

HL-39918850

Smart PCB Water Leak Detector

I need a compact yet powerful PCB that listens for underground water-burst signatures (1-3 m deep) with a piezo-disc ground microphone, analyses the acoustic an...

HL-39918888

Wedding Ring Proximity Effect FOR ROBLOX

I need a system that activates a visual and auditory effect when two wedding rings come close together. This effect is intended for the wearers of the rings, en...

HL-39918153

On-Site vMix Streaming Assistant (Germany Only)

I run Hybrid auctions and need a technically minded pair of hands for each event — roughly 20–30 dates per year in the Bremen–Osnabrück region (Germany). Your s...

HL-39916803

STM32 & DWIN UART Float Transmission

I need a freelancer to help with UART float data transmission using an STM32F103C8T6 microcontroller. The float data consists of control commands, and we're usi...

HL-39916396

Tinkercad Parking garage Counter with LED's using digital Logic

I need a straightforward digital-logic parking counter built and shared in Tinkercad. The circuit must sit on a virtual breadboard—no programmed microcontroller...

HL-39913888

EMP Energy Capture Engineering

I'm seeking an RF/Pulsed Power Engineer to assist with an advanced energy capture project. The primary objective is to enhance our EMP energy capture techniques...

HL-39913217

Audio Tutor (Full Time)

1.Role Overview Our client, Mercor is partnering with a leading AI research group to engage audio professionals in a high-impact project focused on advancing AI...

HL-39912890

Design A Weight Based Automatic Filling System

Project Overview We’re building a scale that will later integrate with a filling valve to create an automatic filling system. Scale should handle 50 - 750 kg. T...

HL-39910979

IR Sensor Specialist for Outdoor Motion Detection

Infrared (IR) Sensor Engineer – Outdoor Motion Detection & Prototype Design (ESP32 / Arduino) Job Description We’re looking for an experienced Infrared (IR) and...

HL-39908887

433 MHz RF LED Controller

I need a simple RF-based controller that can reliably switch an LED strip on and off from more than 20 m away. The remote must operate at 433 MHz; Scope • Provi...

HL-39908660

Ride-On Car PCB Design

I have a children’s ride-on car that needs a single, compact PCB capable of handling everything the toy does—driving the motor, pulsing the lights, and playing...

HL-39907635

STAP for Airborne Radar

I'm seeking an expert in space time adaptive processing (STAP) to enhance our airborne radar systems. The primary functions required are target detection and cl...

HL-39907646

Dimmer 24 V 6 kW Preciso

Tengo diez focos de 600 W alimentados a 24 V que deben atenuarse todos al unísono. Para la primera fase necesito un dimmer manual con botón rotatorio capaz de c...

HL-39905448

CH32V003 WS2812 Driver

I need a compact, rock-solid routine that lets a CH32V003F4P6 drive WS2812 (NeoPixel) strips from pin PC1, with all timing fully within spec. The sketch must bu...

HL-39905085

Custom PCIe DMA Device Firmware Development - 21/10/2025 21:51 EDT

I’m looking for an experienced embedded developer to build custom firmware for a PCIe DMA device (75t / 100t family). The goal is to emulate full device behavio...

HL-39904639

PIC Firmware Debug & Enhancement

I have a working but imperfect product built around a PIC microcontroller. A handful of software-level bugs are still lurking, and the communication interface o...

HL-39904429

10-EMA Pine Script Strategy

I need a ready-to-trade Pine Script v5 strategy that combines the following indicators: • 10-period EMA and 5-period EMA • Alligator's Jaw I already have a work...