FERRER ENGINEERING

Projects

Embedded engineering work across electronics, firmware and validation

A selected portfolio of practical projects across sensing, control, motor electronics and protocol instrumentation. In-progress and confidential work is presented with appropriate scope boundaries.

Categories

IoT SystemsPower ElectronicsMotor ControlEmbedded ControlInstrumentationProtocol AnalysisPCB DesignFirmwareConfidential
IoT SystemsPrototype

ESP32 IoT Environmental Monitoring System

Wireless embedded sensing platform using ESP32-class hardware for environmental data acquisition, local visualization and monitoring workflows.

ESP32Sensor fusionEmbedded UITelemetry
  • Integrated temperature, humidity and pressure acquisition in one embedded platform
  • Designed real-time on-device display workflow for field-readable data
  • Structured for future cloud or gateway connectivity extensions
Power ElectronicsCompleted

Drone ESC Development (Electronic Speed Controller)

Power electronics and embedded control work for drone ESC systems, focused on real-time control, validation and hardware/software integration.

ESCBLDCPCBPower stageValidation
  • Defined ESC (Electronic Speed Controller) architecture for drone propulsion control
  • Moved from simulation and analysis stage to fabricated and validated hardware
  • Completed BLDC motor control bring-up with iterative tuning and test loops
Embedded ControlCompleted

TI-RTOS Dual-ESC Attitude Control Platform

Real-time embedded control demonstrator using TI-RTOS, dual ESC actuation and PID stabilization logic for angle-commanded behavior.

TI-RTOSPIDDual ESCClosed-loop control
  • Implemented TI-RTOS task structure for deterministic control execution
  • Integrated two ESC channels into a synchronized control platform
  • Validated PID-based attitude control behavior under commanded angle targets
Protocol AnalysisPrototype

Portable Digital Protocol Analyzer

Compact embedded debugging tool for capturing and analyzing digital protocols during hardware bring-up and validation, with an LVGL touchscreen UI.

CANUARTI2CSPIEthernetLVGL
  • Built as an on-device instrumentation platform for field diagnostics
  • Designed touch-based LVGL interface for protocol-focused visualization
  • Structured firmware to support multiple digital communication families
PCB DesignDevelopment Ongoing

PX4 / ArduPilot Control PCB

Development-ongoing control PCB for PX4 / ArduPilot ecosystem integration, focused on protocol alignment and reliable embedded interfaces.

PX4ArduPilotPCBControl interfaces
  • Focused on practical control-board architecture for autopilot workflows
  • Integration scope and interfaces are being iterated during development
  • Positioned as a credible in-progress engineering program
ConfidentialConfidential

Confidential Motion Simulator Control Electronics

STM32-based motion-control electronics involving servo-drive signalling, UART protocol handling, homing logic, persistent configuration and safety-state management.

STM32Motion controlUARTSafety statesNDA
  • Professional private engagement with limited public disclosure
  • STM32-centered scope across servo-drive signalling, UART handling and homing behavior
  • Persistent configuration and safety-state details available under NDA

ESP32 IoT Environmental Monitoring System

Prototype

Wireless embedded sensing platform using ESP32-class hardware for environmental data acquisition, local visualization and monitoring workflows.

Embedded sensingFirmwareElectronics integration

Overview

This project is an ESP32-based embedded sensing node designed as a practical monitoring platform rather than a lab-only prototype.

Hardware

The hardware combines ESP32 control with sensor interfaces and a compact display stack, focused on stable acquisition and responsive local visualization.

Firmware

Firmware is structured around deterministic sampling, sensor handling, and rendering updates to keep monitoring behavior predictable and maintainable.

Outcome

Delivered a working connected monitoring device architecture suitable for iterative expansion and product-oriented refinement.

Drone ESC Development (Electronic Speed Controller)

Completed

Power electronics and embedded control work for drone ESC systems, focused on real-time control, validation and hardware/software integration.

Power electronicsMotor controlPCB design

Overview

An end-to-end ESC engineering effort developed as a complete path from theoretical modeling to real-world motor actuation.

What an ESC is

An ESC, or Electronic Speed Controller, drives and regulates brushless motor power delivery by controlling commutation and actuator response.

Simulation and PCB architecture

Early design decisions were validated through simulation and then translated into PCB-level architecture for implementation and testing.

Outcome

Produced an operational ESC platform demonstrating practical control behavior and hardware viability.

TI-RTOS Dual-ESC Attitude Control Platform

Completed

Real-time embedded control demonstrator using TI-RTOS, dual ESC actuation and PID stabilization logic for angle-commanded behavior.

Real-time systemsControl firmwareActuation

Overview

A drone-inspired controlled actuation test platform built to evaluate closed-loop stabilization and real-time task behavior.

System architecture

The architecture combines sensor inputs, angle command logic, TI-RTOS scheduling, and dual ESC outputs in one integrated control loop.

Control implementation

PID control logic was implemented and tuned to hold and track angle objectives while preserving responsive output transitions.

Outcome

Established a credible embedded control demonstrator suitable for expanded multi-actuator experimentation.

Portable Digital Protocol Analyzer

Prototype

Compact embedded debugging tool for capturing and analyzing digital protocols during hardware bring-up and validation, with an LVGL touchscreen UI.

InstrumentationProtocol analysisEmbedded UI

Overview

The analyzer is designed as a practical embedded instrumentation device for protocol monitoring and debug support during integration phases.

Supported protocols

Current architecture targets CAN, UART, I2C, SPI and Ethernet families, with room for future protocol modules.

Firmware and interface

Firmware combines capture/decoding pathways with an LVGL touchscreen layer for quick interpretation in bench and field workflows.

Outcome / status

The platform is working as a portable diagnostic foundation and remains open for deeper protocol-specific enhancements.

PX4 / ArduPilot Control PCB

Development Ongoing

Development-ongoing control PCB for PX4 / ArduPilot ecosystem integration, focused on protocol alignment and reliable embedded interfaces.

Autopilot ecosystem integrationEmbedded electronics

Current objective

Develop a robust control PCB aligned with PX4/ArduPilot integration requirements while keeping firmware and protocol interfaces extensible.

Status

Development is ongoing; specifications and architecture are actively being refined.

Confidential Motion Simulator Control Electronics

Confidential

STM32-based motion-control electronics involving servo-drive signalling, UART protocol handling, homing logic, persistent configuration and safety-state management.

Control electronicsConfidential product development

Engagement context

This project is delivered as a private client engagement and is presented at a high level to respect confidentiality boundaries.

Public scope

Available information is intentionally restricted; deeper implementation details can be discussed under NDA when appropriate.