Projects
Things I've built - embedded systems, electronics, software and more.
Two-Stage Audio Amplifier
Analogue two-stage amplifier with TL071 active band-pass filter and OPA551 buffer, simulated in Proteus and manufactured as a custom PCB
4x4x4 NeoPixel LED Cube
64 individually addressable WS2812B LEDs on an Arduino Uno with adaptive brightness, four animation modes and a custom wooden enclosure
AstonCV - Full-Stack CV Database
Full-stack CV database website built from scratch with PHP 8.2, MySQL and custom CSS - no frameworks, deployed live on Aston University's server
Business Website
Personal website at zacess.com with a terminal-style interface, built with Next.js 14 and TypeScript. Currently evolving into a full business presence - direction not fully set yet but the foundation is live.
CNC Milling Machine Control System
Safety-critical Arduino control system for a CNC milling machine with door interlocks, emergency stop, state machine firmware and LCD feedback
Goods Lift Control System
Arduino-based multi-floor goods lift controller with request queuing, door interlocks, emergency stop, PWM motor control and LCD status display
CAD Engineering Design Portfolio
Three AutoCAD projects covering 2D technical drawing, 3D solid modeling and full product design to BS 8888 standard
git-unlocked
Free, MIT-licensed open source course taking anyone from absolute zero to industry-level Git proficiency across every major platform and tool
PHAEMOS - Smart Maintenance Platform
End-to-end IoT and predictive maintenance platform - four hardware nodes, FastAPI backend, Isolation Forest anomaly detection, Next.js live dashboard with alert and ticket workflows, actively being built
avr-zac
ATmega644P bare metal C projects with state machines, interrupts, PWM and ADC - actively being extended
dotfiles
Cross-platform shell environment for macOS, Linux and Windows - 59 numbered topic files, identical muscle memory on every machine, automatic 3-platform git mirroring and an accessibility-first colour scheme
More projects and courses available on GitHub and GitHub Projects.