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Nick Sivo kogir

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@esden
esden / led_panel.md
Last active March 23, 2024 12:00
FAQ: Collection of links and information about RGB LED Panels and FPGA

A common name for the interface is HUB75

The displays use shift registers for columns and two sets of row multiplexers.

Typical organization

32x32 panel

  • Organized in two halfs of 16x32 tiles
  • 32 bit long RGB column drive shift registers
  • 4 bit to 16 row drive demultiplexers
@james-howard
james-howard / github-line.scpt.js
Last active August 18, 2017 16:58
OSAScript to copy GitHub link from currently selected line in Xcode
function run() {
xcode = Application('Xcode')
var app = Application.currentApplication()
app.includeStandardAdditions = true;
docs = xcode.sourceDocuments()
for (var i = docs.length-1; i >= 0; i--) {
var doc = docs[i];
var range = doc.selectedParagraphRange();
if (!range) {
continue;
@MikeJansen
MikeJansen / DelegatingActionDescriptor.cs
Created November 5, 2012 13:35
Custom IHttpActionSelector
namespace Radar.Common.WebServer.Api.Controllers
{
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Net.Http;
using System.Threading.Tasks;
using System.Web.Http.Controllers;
using System.Web.Http.Filters;