Signal Processing projects — HireLancer archive

ID / Date Listing

Swappable NE5532 Audio Preamp PCB -- 2

I want a small, low-noise pre-amplifier built around the NE5532, powered from + - 15v. The board will slot straight into my DIY projects, so please place the op...

HL-40586066

AI-Hydro-Pneumatic Suspension Control Development

Scope of Work AI/ML-Based Predictive Active Hydro-Pneumatic Suspension Control Software Development Project Overview We are developing an Active Hydro-Pneumatic...

HL-40585833

Compact BJT 2-Bit Counter

need a straightforward 2-bit counter designed entirely with discrete Bipolar Junction Transistor (BJT) logic. My priority is to keep the component count as low...

HL-40584812

RF Amplifier Circuit Design

I'm seeking an experienced RF circuit designer to develop an RF amplifier. The amplifier should operate in the high-frequency range of 3 GHz to 30 GHz, with a m...

HL-40584527

Signal Processing Power Inverter Design

I’m developing a signal-processing module and need a purpose-built power inverter circuit to drive it reliably from a 12 V DC source. The job centres on circuit...

HL-40584562

Custom 16-Channel EEG Board Design -- 2

Bid With Your related past work please (Any Seller) I am working on a prototype and I want to build a custom 16-channel EEG board by combining the OpenBCI Cyton...

HL-40584436

Custom 16-Channel EEG Board Design

I am working on a prototype and I want to build a custom 16-channel EEG board by combining the OpenBCI Cyton and Daisy designs into one single PCB. Cyton board:...

HL-40583661

Development of a Working Ultrasonic Time-of-Flight (TOF) Prototype

This is a hardware development project. I require a fully functional working prototype, not a simulation, research paper, or theoretical design. The final deliv...

HL-40583274

Fuel Dispenser PCB & Safety Design

I need a PCB hardware designer who already understands fuel-grade gas dispenser electronics and has hands-on experience designing intrinsically safe circuits. T...

HL-40582792

Solve Power Electronics Simulink Issue

We need to solve using Simulink,Simscape,Simscape Fluids (Isothermal Liquid Library)

HL-40582228

LabVIEW Development for Rocket Motor Testing

I need a LabVIEW application to configure an NI cRIO-9053 for rocket motor testing. The application should: - Interface with a load cell for thrust measurements...

HL-40581981

Design an oscillator circuit using a 555 IC to produce a square waveform.

The square wave should have an equal mark-to-space ratio, a frequency equal to that of the resonant frequency of the metal bar estimated in Part 1, and an outpu...

HL-40581865

48V E-Rickshaw Diagnostic PCB Design

I have a working concept for an E-Rickshaw diagnostic tool based on an ESP32 DevKit V1, and I now need a production-ready 2-layer PCB. All circuitry must operat...

HL-40580768

Embedded Hardware Engineer for Custom WIFI Board

I am looking for an experienced Embedded Hardware Design Engineer to develop a custom production-ready WIFI Board for a proprietary embedded electronic product....

HL-40580133

Fast Bluetooth Human Interface

I need a working human-computer interface that can both pick up and broadcast data over Bluetooth at the highest speed the protocol allows. The data flowing thr...

HL-40579365

Low-Noise 24 V Audio PSU Design

I’m putting together a single-rail power supply for sensitive audio gear and need a clean, hum-free output. The brief is straightforward: • Topology: prefer an...

HL-40578407

Build a Full Automated Trading System for US Stocks -Python, IBKR, Signal Execution engine -- 2

Hello. I am looking for an experienced Python developer to implement a complete automated trading system for US equities through Interactive Brokers. The system...

HL-40578016

Experienced Embedded Engineer for Wireless Load Cell Monitoring Systems

Wireless Load Cell Monitoring Systems About the Role We're building out a wireless weighing and monitoring solution from the ground up, and we need a seasoned e...

HL-40577411

Radio Firmware and Hardware Development

I'm seeking an expert in firmware and hardware integration, specifically for radio communication. This project involves developing both firmware and the necessa...

HL-40577097

Compact Driver Stage Design for Teensy 4.1

500mA output injected into the power line This is a workspace for: I have a Teensy 4.1 producing a 0–3.3 V, 80 kHz square wave that must be pushed onto a power...

HL-40575445

NDT Electromagnetic Conductivity Sensor Build

I need an engineer who can take me from concept to working prototype on a precision electromagnetic sensing instrument aimed squarely at industrial non-destruct...

HL-40575043

4G/5G & Eth WAN Router+Net Pause Switch

Project Title : Custom 4G/5G & Ethernet WAN Router with Physical Internet Pause Switch Project Overview I am looking for an experienced embedded hardware engine...

HL-40575048

Fix ESP32 MSME Mic Noise

Our ESP32-based prototype uses the MSME INNP441 digital mic, and during live audio streaming it introduces jitter and a screeching interference noise—even thoug...

HL-40574448

Intraday Algo for Indian Stocks

#Note:OHLC /crossed_below/crossed_above should be agnostic for all combos Long Combo 1 #Note:Stock universe can be detected before opening in this combo 1 C1: A...

HL-40570201

Analog Radio Transmitter Specialist

I run an analog broadcasting facility and need an experienced radio engineer to work directly on our transmitter and tower-mounted antenna system. Your focus wi...

HL-40566823

433 MHz PCB Pre-Compliance Review

I have a compact 433 MHz transmitter built around a CMT2219B RF module driven by a GD32E230G8 MCU. Before we invest in the formal lab work, I want an experience...

HL-40565429

Modular Eddy Current Purity Tester -- 2

I need a compact, modular eddy-current device built from the ground up to verify the purity of non-ferrous metals during material research and development. Beca...

HL-40565280

Diseño de PCB para Estabilizador de Voltaje Industrial (4kVA)

Diseño de señales mixtasDescripción del Proyecto: Busco un ingeniero electrónico con experiencia en diseño de potencia y control para convertir un esquema fun...

HL-40564723

Statistical Analysis of FFT Data

I need help with descriptive statistics for signal analysis using FFT data. I NEED SOMEONE TO COMPUTE THE SPECTRAL CENTROID FOR A NUMBER OF DATA SAMPLES I NEED...

HL-40564343

2.4 GHz FSK Receiver Design

I need a complete design for an FSK RF receiver that operates at 2.4 GHz with a channel bandwidth of 2 MHz. The end product is destined for compact consumer-ele...

HL-40560783

Comprehensive PSK Circuit Simulation

I need a complete phase-shift keying (PSK) circuit designed, simulated, and documented. The task starts with drawing a clean, logically laid-out schematic, then...

HL-40560607

Compact Lora-GPS-LTE PCB Design

I'm seeking an experienced PCB designer to create a small-sized, integrated PCB for a tracking device. The PCB should include the following components: - LoRa m...

HL-40560019

Hỗ trợ đồ án UWB Radar

Tôi đang thực hiện đồ án tốt nghiệp tại Đại học Bách Khoa dựa trên mã nguồn “UWB-Radar-Pedestrian-Tracking” (link GitHub đính kèm). Tôi cần một chuyên gia đồng...

HL-40559393

BPSK Circuit Layout & Simulation

I already have the parts list and basic idea for a Binary Phase-Shift Keying circuit, but I need a clear schematic that shows every component in its proper plac...

HL-40559348

Comprehensive PSK Circuit Simulation

I need a complete phase-shift keying (PSK) circuit designed, simulated, and documented. The task starts with drawing a clean, logically laid-out schematic, then...

HL-40558535

Zephyr ANT+ Heart Rate Scanner

I am working on a project using an nRF52840 Pro Micro to read data from a heart rate strap. I am using the latest SDK version (v3.3.1) with Zephyr, but I am hav...

HL-40557905

Finalize GR5513 RF Board Design

I already have a near-complete Bluetooth LE board built around the Goodix GR5513. The digital section is proven, but the RF side still needs refinement before I...

HL-40557312

Hydrophone ADC with Programmable Gain

I’m developing an embedded system for underwater acoustic measurements and I need the complete signal-conditioning path designed around a high-resolution ADC. T...

HL-40557321

Powercon-Neutrik Connector Reconfiguration

I require assistance in connecting the Powercon cables to the equipment terminals on the Neutrik audio equipment. Important Prerequisites: Experience with Power...

HL-40557341

Powercon-Neutrik Connector Reconfiguration -- 2

I require assistance in connecting the Powercon cables to the equipment terminals on the Neutrik audio equipment. Important Prerequisites: Experience with Power...