last modified: October 23, 2025
Posted on 2019-12-07— Projects
I’ll walk you through creating custom patterns for your snowflake decoration, covering double-buffering, frame-sync, non-linear PWM, fixed-point math and the scene interface in C++. If you can solder and use an SWD programmer, read on for practical examples and a ready-to-edit User scene template.
Posted on 2019-11-25— Projects
I built a compact Neopixel-based candlelight decoration with a DS3231 RTC and share the schematic, firmware, and build tips here. It's best placed behind a screen or in a jar. Read the full post for parts, assembly photos, and configuration notes to recreate it yourself.
Posted on 2019-11-18— Projects
I wanted to capture the tiny, spiky corona of light from a snowflake decoration on video and found it challenging. After experiments I developed a simple effect that better conveys the sparkling as seen by the eye. Read on to see my approach, results, and how you can try it yourself.