Portfolio · Alexandros Papaspyrou

From idea
to automation
and beyond.

Real systems, built with intention. Embedded, connected, intelligent — from robotics to IoT to software that actually runs in the world.

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Methodology

How I Build

Every system starts with a clear process — from the first spark of an idea to a deployed, optimized product.

💡

Ideate

Concept generation, creative problem-solving, defining the why.

🔍

Research

Tech & trend analysis, feasibility, literature review.

🎨

Design

System architecture, schematics, rapid prototyping.

💻

Develop

Code, firmware, platform integration, QA testing.

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Deploy

Production launch, cloud connectivity, digital transformation.

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Optimize

Performance tuning, smart workflows, AI-driven insights.

Work

Featured Projects

A selection of real builds — hardware, software, and systems — each solving a concrete problem.

Swarm Robotics Thesis Thesis · UNIWA 2026

Swarm Robotics · Collective Intelligence

The Limits of Collective Intelligence

A critical analysis of decentralized decision-making in swarm robotics systems. Examines how ACO and PSO algorithms fail at scale, why communication is the hard constraint, and why hybrid-hierarchical architectures are the real future.

Collective Intelligence Decentralized Control ACO / PSO No Free Lunch Theorem Scalability Limits
AGV Robot
01 2022

Autonomous Guided Vehicle (AGV)

Arduino-controlled mobile robot with autonomous navigation, line-following, and obstacle avoidance. Full mechatronics integration from sensor fusion to motor driver control — no off-the-shelf stack, everything custom.

Arduino Sensor Fusion Motor Control Embedded C Mechatronics
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02 Archived

ThingSpeak IoT Monitoring Platform

Cloud-connected sensor network using Arduino, ESP8266 Wi-Fi module, and DHT11. Real-time temperature and humidity telemetry streamed to ThingSpeak for remote visualization. A complete end-to-end IoT pipeline built from scratch.

Arduino ESP8266 ThingSpeak API DHT11 IoT MQTT
LightSwitch Circuit
03 2021

LightSwitch — Auto Light Control Circuit

Automatic switching circuit using a photoresistor for ambient light detection. Analog signal conditioning, threshold adjustment via trim-pot, and relay-driven load switching. Designed schematic to PCB with full component calculation and simulation in Multisim.

Analog Electronics Photoresistor (LDR) Op-Amp Relay Driver PCB Design Multisim
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04 2018

Kremala — Classic Hangman Game

A clean standalone implementation of the Hangman word game built in Visual Basic. No installer required — portable .exe. Greek-language word bank with multiple difficulty levels. An early exploration of desktop application architecture and event-driven programming.

Visual Basic VB.NET Desktop App Windows Event-Driven
🐍
05 2023

Python Utilities — Pomodoro & AutoSortify

Two small but sharp Python tools. Pomodoro is a terminal-based focus timer using the 25/5 work cycle. AutoSortify automatically organizes your Downloads folder by file type — scans, categorizes, and moves files into labeled subdirectories. Both are single-file, dependency-free scripts.

Python CLI Tool File Automation Productivity OS Module
Evolution of Computers
06 2015

The Evolution of Computers

From Abacus to Tablet — an in-depth technical research paper and presentation tracing the full arc of computing hardware. Covers mechanical calculators, vacuum tubes, transistors, integrated circuits, microprocessors, and mobile SoCs. Published on SlideShare and recorded as a podcast on Spotify.

Technical Research Computer History Hardware Architecture Publication

Tools & Technologies

Tech Stack

The tools I reach for when building real systems.

In Action

Project Videos

Demos, walkthroughs, and related content from lab to production.

Michatron Michatron AGV Demo
LDR Switch LDR Auto Light Switch
LabVIEW LabVIEW Logger IV Project
ATMEGA ATMEGA 328 Programming
PLC PLC — Conveyor Belt System
Computer Evolution Evolution of Computers
W3 University W3 University Lecture

Feedback

Testimonials

From colleagues and professors who have worked with me directly.

🎓

"Ο Alexandros έχει εξαιρετική ικανότητα να συνδυάζει τεχνική ακρίβεια με δημιουργική παρουσίαση. Η δουλειά του στα embedded systems ξεχωρίζει."

Καθηγητής, UNIWA

🤝

"Η συνεργασία μαζί του ήταν άψογη. Πάντα βρίσκει λύσεις και βελτιώνει τις διαδικασίες — ακόμα και υπό πίεση χρόνου."

Συνάδελφος σε Engineering Project

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"Η κατανόησή του για τα βιομηχανικά συστήματα αυτοματισμού και η ικανότητά του να προσαρμόζεται σε νέα περιβάλλοντα είναι αξιόλογη."

Senior Engineer, Simworx

Let's build something real.