I build systems that bridge bits & atoms.
I'm Ohidur — an automation engineer who designs and deploys industrial control, IoT, and full-stack software that runs in the real world.
Build log
Shipped & deployed
Apps, sites, and open-source tools I've designed, built, and put into the world.
Software Volume Button
An on-screen volume key that opens the system volume panel with a single tap — handy when physical volume buttons are worn out or broken.
Islamic
An Android companion app bringing everyday Islamic essentials together in one clean, simple interface.
Keyring Maker
A browser-based editor for designing 3D-printable keyrings — customise text, fonts, shapes, and colours, then export print-ready files. No CAD or signup required.
AnythingToMarkdown
A cross-platform tool that converts PDFs, Office documents, HTML, images, audio, and more into clean Markdown — via drag-and-drop GUI or the command line.
WhisperBar
A macOS menu bar app for fast voice-to-text dictation, powered by the Whisper speech-recognition model running on-device.
Windows Theme Switcher
A lightweight system-tray utility for instantly toggling between light and dark themes on Windows.
Todo Wallpaper
A desktop utility that renders your to-do list onto your wallpaper and refreshes it automatically whenever the list changes.
Field notes
Latest writing
Getting Started with Multipass: Launch Ubuntu VMs Instantly
Ubuntu CLI cheatsheet 2025
Ubuntu cli cheatsheet 2025
Docker Swarm Stack Deployment Guide
Deploy multi-container applications to Docker Swarm using stacks. Covers Swarm init, docker context for remote deployment, secrets, scaling, rollbacks, and secure deploy user setup.
VPS setup guide
A comprehensive guide to setting up a vps server
A Comprehensive Guide to Basic Git Usage
A practical Git reference covering setup, commits, branches, remotes, stash, rebase, cherry-pick, and the most important commands for everyday development.
Open channel
Have a system to build? Let's talk.
Automation, IoT, robotics, or a full-stack build — send a line and I'll respond within a day.