Electronics and embeddedArduino, ESP8266, ESP32, ESP-NOW, ultrasonic and sensor integration, MOSFET and relay control, IPS and inverter systems, power supplies
Networking and IT administrationMikroTik routers, PPPoE and radio-link internet, router, ONU and switch setup, CCTV installation, Cloudflare Tunnel, network printing with CUPS, printer troubleshooting
Operating systems and serversWindows and Linux installation (Ubuntu, Kali, Puppy Linux, FydeOS), dual boot, Termux, XAMPP, Nginx, MariaDB
Development and automationC, Java, HTML, CSS, JavaScript, WordPress, WooCommerce, Android, Flutter (basic), Firebase, Firestore, Google Apps Script, AppSheet
Office and designMicrosoft 365, Google Workspace administration, spreadsheet management, PDF editing, Photoshop, Canva, Photopea, CapCut, Bangla and English typing