https://pixeldestrukt.com/ The technical workshop behind bl1t — custom software, LED and projection systems, and embedded hardware for live visuals. en Tue, 29 Sep 2026 04:03:19 GMT https://pixeldestrukt.com/notes/vj-show-first-lan-install/ https://pixeldestrukt.com/notes/vj-show-first-lan-install/ Sat, 26 Sep 2026 12:00:00 GMT The first real install of vj-show took ninety minutes and hit five problems. None were in the renderer. All of them were in the networking around it. WebRTC networking installation https://pixeldestrukt.com/notes/sacn-universe-budget/ https://pixeldestrukt.com/notes/sacn-universe-budget/ Sat, 12 Sep 2026 12:00:00 GMT Universe count, packet rate and switch capacity are one problem, not three. Here is the arithmetic I run before ordering any LED for a show. LED sACN networking https://pixeldestrukt.com/notes/glsl-feedback-without-mush/ https://pixeldestrukt.com/notes/glsl-feedback-without-mush/ Mon, 24 Aug 2026 12:00:00 GMT Ping-pong feedback is four lines of code and a hundred ways to lose contrast. Notes on decay, clamping and keeping a loop alive for an hour-long set. GLSL realtime technique https://pixeldestrukt.com/notes/esp32-dmx-timing/ https://pixeldestrukt.com/notes/esp32-dmx-timing/ Thu, 30 Jul 2026 12:00:00 GMT The break, the mark-after-break and why bit-banging DMX on a WiFi-enabled chip is a bad plan. Using RMT and UART hardware instead. embedded DMX ESP32