Articles 【Raspberry Pi】 Improving Jagged HDMI Text on Raspberry Pi Pico
Improve Pico HDMI text clarity using 1‑bit VGA output and bold fonts for crisp, readable display.
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Articles Raspberry Pi Pico + Adafruit DVI Breakout Board: Successful HDMI Output Test
Learn how to output stable DVI/HDMI signals using Raspberry Pi Pico and the Adafruit DVI Breakout Board. Covers clock tuning, pin mapping, and working code.
C# / Avalonia Texio DCS‑2104E を C# で完全リモート制御するソフトを自作した話
Texio DCS‑2104E を C# からリモート制御し、チャンネル設定・トリガ制御・画像転送・検査判定まで自動化する自作ソフトの実装記録です。
Android Development Playback & Preview Design: Achieving Smooth Performance with Full Encryption on Android
Explore how encrypted image and video playback on Android achieves smooth performance, secure controls, and reliable behavior across devices.
Android Development Building a Fully Offline Encrypted Media App on Android — Lessons Learned with AI
Learn how an offline encrypted Android app was built to protect family media, avoid cloud risks, and deliver smooth secure playback.
Android Development Technical Notes: The Challenges and Breakthroughs of Encrypted Video Streaming on Android
A deep dive into encrypted video streaming on Android, covering performance tuning, secure UI behavior, and real device pitfalls.
Android Development English Version — Design & Specification Decisions Behind the Encrypted Media Vault App
Explore key design trade-offs behind an offline Android encrypted media app, from UI choices to secure storage.
Android Development Encrypted Local Media Vault: Building a Fully Offline, AES‑Protected Photo & Video App for My Family
A fully offline Android vault using AES encryption to protect photos and videos with smooth playback and zero cloud exposure.
Articles M5Stack Dual‑Core RTC Clock
How to build a smooth and accurate RTC clock on M5Stack using DualCore tasks, BM8563, and M5FontRender with optimized display updates.
Articles Driving the LY2AC100V Relay with M5Stack
Learn how to drive the LY2AC100V relay using M5Stack, including coil ratings, contact limits, inrush current, and safe AC100V switching.
Android Development Prevent Android Process Death Using Guard Logic and ADB Testing
How to guard against Android process death and reproduce crashes using ADB kill commands, with safe recovery logic and index validation.
Android Development Why Adoptable Storage Does Not Automatically Use the SD Card
Why Android Adoptable Storage does not automatically use the SD card for app data, and how to enable SD usage with system settings and manifest options.