Andrea Baccega's Blog

A few years ago I started building eNSPanel, an open-source custom PCB replacement for the Sonoff NSPanel.

In April 2026, Andrej Karpathy published a GitHub gist.

I've been typing on traditional keyboards for over 25 years.

It was 3 AM.

The Sonoff NSPanel is an affordable smart home touch panel that includes a capacitive display, two physical buttons, a buzzer, two relays, and WiFi/Bluetooth connectivity.

Android's NavigationView simplifies creating navigation drawer menus, but it has a limitation: you can only add headers and menu items - no footer support.

Fragment overlap is one of those Android bugs that makes you question your sanity.

When building an Android app, you face a fundamental decision: create a single app version supporting multiple device types, or upload separate optimized versions to Google Play Store.

Input validation can be painful.

Standard PHP serialization fails when you need to store complex objects in a database AND query them with SQL.

Backups become critical when data loss occurs or when you're hosting third-party information.

A common Android development challenge: executing code exclusively during an application's initial launch.

Let's talk about password recovery mechanisms - specifically, why some old approaches are dangerous and what the modern best practice looks like.

PHP's strip_tags() function seems like an easy solution for allowing certain HTML elements while blocking others.

If you're coming from web development, you might be looking for something similar to HTML/JavaScript's onChange event for Android's EditText widget.

Ever wondered which Certificate Authorities are trusted by Android?

Google doesn't officially recommend using internal Calendar APIs, but sometimes there's no other way to achieve certain tasks.