Raytracing In One Weekend Series in C++, CUDA, and OptiX

One day, I found Peter Shirley’s Ray Tracing In One Weekend Book Series. I was able to implement my own copy of the code from his books, eventually also incorporating some versions using CUDA and Nvidia’s Optix 6.5 ray-tracing frameworks.

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pitempmon Charts

I created some client-loaded charts for pitempmon project that graph the logged temperature of a Raspberry Pi Model 4 B. The Pi is used as a worker node in a kubernetes cluster. There is an interesting progression over time of Pi environmental temperature aspects.

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My New "Now Playing" Webapp for shairport-sync

Version 3.3 of shairport-sync released last weekend and includes metadata support on MQTT. “So what?” you may ask? I created an app to display the metadata and do simple remote controls. Now, I can control my music all around the house or identify currently playing song at a glance. It’s open-source.

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Emacs27 on macOS - Now (Again❓) With Emoji!‼️

I have been refreshing my emacs config as part of i-dotfiles, and had made a note to add emoji support. After googling, I remembered emacs maintainers intentionally disabled multi-color font support used in macOS for native emoji support. Then, a git commit Update multicolor font support status in Sacha Chua’s 2019-04-29 Emacs news surfaced. Using company-emoji and the re-enabled upstream support, emojis are back in Emacs27.

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Creating a microSD Ubuntu Mint (Cinnamon) Boot Drive for new Atomic Pi

I have recently received an Atomic Pi from its Kickstarter. And while the pre-installed Lubuntu image was adequate, I wanted to try something more mainstream and also see if I could recreate the Linux hardware support for GPIO and other items on its Kickstarter associated breakout board.

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Switching to straight.el from Emacs 26 builtin package.el

On switching to straight.el from Emacs 26 builtin package.el

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Siri Shortcut Controlled IR Remote for Home Receiver Using a Raspberry Pi

In my HomeKit™ household, one missing piece was turning on/off AV receiver, as the receiver only had an infrared remote control (no network connection). Since there was already a Raspberry Pi connected nearby (used for AirPlay® playback), a solution presented itself. Using some additional hardware I had available, there is even a way to control the receiver with Siri® shortcuts.

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Revisiting Homekit USB Webcam on Raspberry Pi 3

On home HomeKit setup, some homebridge plugins (Nest, WeMo) needed updating. And flaky webcam performance needed addressing. It was also time to update the node.js install. Got it all completed.

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