41554 blogs · [ { "id": "01a087d2-1e75-721f-b24e-04a70e7381fb", "title": "More Dragon 32 nostalgia", "url": "https://redfrontdoor.org/blog/?p=4029", "published_at": "2026-06-12T18:47:37+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a70e85d0df", "title": "Reverse-engineering the Dragon 32 game Invader’s Revenge", "url": "https://redfrontdoor.org/blog/?p=4023", "published_at": "2025-09-22T20:38:13+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a70ebbc1df", "title": "Juggling-ball pyramids and a Christmas song", "url": "https://redfrontdoor.org/blog/?p=4017", "published_at": "2025-05-02T19:34:36+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a70f0f2155", "title": "An old barograph", "url": "https://redfrontdoor.org/blog/?p=3995", "published_at": "2024-11-22T20:46:48+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a70fe7fc5a", "title": "A “knowledge puzzle” in Harry Potter", "url": "https://redfrontdoor.org/blog/?p=3884", "published_at": "2024-04-10T19:51:46+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a710b5bd1e", "title": "Searching for the magic hexagon", "url": "https://redfrontdoor.org/blog/?p=3874", "published_at": "2023-11-27T20:12:47+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a711783c72", "title": "(Yet another) solver for the Countdown numbers round", "url": "https://redfrontdoor.org/blog/?p=3853", "published_at": "2022-06-05T17:17:35+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a7126e1155", "title": "Two pictures in a grid of flashing lights", "url": "https://redfrontdoor.org/blog/?p=3839", "published_at": "2022-05-07T08:34:25+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a71367b4a2", "title": "Decoding a Morse code Easter Egg", "url": "https://redfrontdoor.org/blog/?p=3821", "published_at": "2021-06-26T21:36:03+00:00" }, { "id": "01a087d2-1e75-721f-b24e-04a7139b920e", "title": "A modified escapement design", "url": "https://redfrontdoor.org/blog/?p=3810", "published_at": "2020-07-15T12:53:47+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa4184768", "title": "Binary Email Lights", "url": "https://redfrontdoor.org/blog/?p=3781", "published_at": "2020-02-22T18:13:19+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa4250f03", "title": "Pytch: ‘Scratch-oriented programming’ in Python", "url": "https://redfrontdoor.org/blog/?p=1577", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa4446b06", "title": "Circular Os and Xs", "url": "https://redfrontdoor.org/blog/?p=1497", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa4a94642", "title": "Studying a Hallowe’en LED flasher", "url": "https://redfrontdoor.org/blog/?p=1464", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa55c1af3", "title": "BBC software archaeology", "url": "https://redfrontdoor.org/blog/?p=1449", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa5852a94", "title": "Compiling Python into an AWS Step Function", "url": "https://redfrontdoor.org/blog/?p=1438", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa64e2fcd", "title": "A set of Scratch worksheets", "url": "https://redfrontdoor.org/blog/?p=1423", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa72d0958", "title": "An interesting piece-fitting puzzle", "url": "https://redfrontdoor.org/blog/?p=1416", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa7630b5c", "title": "Remote display for pinball machine", "url": "https://redfrontdoor.org/blog/?p=1389", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0bdf4-115d-719e-8866-c48fa82b7e73", "title": "Simpler exponential MazezaM level family", "url": "https://redfrontdoor.org/blog/?p=1361", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d359d6695b", "title": "‘Splat the zombies’ 3D game", "url": "https://redfrontdoor.org/blog/?p=1349", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35a7a82b8", "title": "Exponential Mazezam level family", "url": "https://redfrontdoor.org/blog/?p=1336", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35b2e6921", "title": "Joining and mapping government data sets", "url": "https://redfrontdoor.org/blog/?p=1303", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35bc3771a", "title": "Bletchley Park ‘Rectangling’ and LDPC codes", "url": "https://redfrontdoor.org/blog/?p=1298", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35cbe0ed4", "title": "Literate programming with git", "url": "https://redfrontdoor.org/blog/?p=1287", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35db6b84a", "title": "git-dendrify — a tool for transforming git histories", "url": "https://redfrontdoor.org/blog/?p=1278", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35e6c281d", "title": "(Some of) Colossus on an FPGA", "url": "https://redfrontdoor.org/blog/?p=1262", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35ec102a0", "title": "Replicating Colossus’s Chi-wheel setting", "url": "https://redfrontdoor.org/blog/?p=1241", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35ed22a46", "title": "Bike Game in Scratch", "url": "https://redfrontdoor.org/blog/?p=1209", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be03-a998-7306-bb11-e3d35fa27160", "title": "Flying over a trampoline", "url": "https://redfrontdoor.org/blog/?p=1191", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf7075c0498", "title": "Mono Lake alkali flies in JavaScript", "url": "https://redfrontdoor.org/blog/?p=1176", "published_at": "2020-02-18T06:55:22+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70824231c", "title": "Guess Poo: An application of nearly-orthogonal fractional factorial design", "url": "https://redfrontdoor.org/blog/?p=1110", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf708a773ea", "title": "Faint amusement from arrows", "url": "https://redfrontdoor.org/blog/?p=1089", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf7095dee3e", "title": "A game of multiples and divisors", "url": "https://redfrontdoor.org/blog/?p=990", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf709d225e2", "title": "Post-specific Javascript and CSS in WordPress", "url": "https://redfrontdoor.org/blog/?p=970", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70a4d2c30", "title": "The value of a second opinion", "url": "https://redfrontdoor.org/blog/?p=925", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70ac32d37", "title": "Tiny patch to git", "url": "https://redfrontdoor.org/blog/?p=897", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70bb15b21", "title": "Failure: playing video from audio cassette", "url": "https://redfrontdoor.org/blog/?p=795", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70c24a3a2", "title": "A Simon-playing robot", "url": "https://redfrontdoor.org/blog/?p=702", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0be0a-3673-737e-b2e8-eaf70c99aaae", "title": "Free Software collaboration at the National Library of Ireland", "url": "https://redfrontdoor.org/blog/?p=618", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd163710eb2", "title": "An original escapement design?", "url": "https://redfrontdoor.org/blog/?p=578", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd163ec7408", "title": "An oscillator from a jam-jar lid", "url": "https://redfrontdoor.org/blog/?p=546", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd164c4aff3", "title": "Debugging a Hot Wires circuit", "url": "https://redfrontdoor.org/blog/?p=510", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd164f1a6f1", "title": "A fruitful exchange with the State Examination Commission", "url": "https://redfrontdoor.org/blog/?p=488", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd165cde6bb", "title": "A Lego escapement (and failed slow-motion)", "url": "https://redfrontdoor.org/blog/?p=470", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd1662a3ccf", "title": "Cobra: a Dragon 32 game from my past", "url": "https://redfrontdoor.org/blog/?p=453", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd166d1b9c3", "title": "Snakes and ladders: end-game rules", "url": "https://redfrontdoor.org/blog/?p=442", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd167032ed5", "title": "Simulating a laser-based image projector", "url": "https://redfrontdoor.org/blog/?p=409", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd16785412e", "title": "Counting sums of triangular and square numbers", "url": "https://redfrontdoor.org/blog/?p=379", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcc8-5fa3-73a3-b777-5fd167f57228", "title": "New video: stop-motion with sound!", "url": "https://redfrontdoor.org/blog/?p=370", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a5820ffe", "title": "Encoding video for Archos Vision 14", "url": "https://redfrontdoor.org/blog/?p=359", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a5a8d4af", "title": "Most cliched adjectives and nouns", "url": "https://redfrontdoor.org/blog/?p=311", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a6759186", "title": "Marlowe’s book: Laura’s Troubles", "url": "https://redfrontdoor.org/blog/?p=302", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a7039c15", "title": "Braille in National Aquatic Centre lifts", "url": "https://redfrontdoor.org/blog/?p=252", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a74b578c", "title": "Raspberry Pi, Squeezebox, phone line", "url": "https://redfrontdoor.org/blog/?p=231", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a80140ad", "title": "UK government consultation on Open Standards", "url": "https://redfrontdoor.org/blog/?p=210", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a8aeb76b", "title": "An unusual primality test", "url": "https://redfrontdoor.org/blog/?p=189", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a92cdeab", "title": "MazezaM is NP complete", "url": "https://redfrontdoor.org/blog/?p=174", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50bae709d05", "title": "Making of ‘water video’", "url": "https://redfrontdoor.org/blog/?p=164", "published_at": "2020-02-18T06:53:26+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650a9c51484", "title": "AutoFickle", "url": "https://redfrontdoor.org/blog/?p=111", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcd0-ff83-71d2-b7d3-4650aa6142b6", "title": "Time-lapse: Tomato plant perking up", "url": "https://redfrontdoor.org/blog/?p=107", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50bace6049c", "title": "Another stop-motion: Witch stirring potion", "url": "https://redfrontdoor.org/blog/?p=97", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50bad8b542d", "title": "Ireland’s copyright consultation", "url": "https://redfrontdoor.org/blog/?p=85", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50bae26577a", "title": "Some older videos", "url": "https://redfrontdoor.org/blog/?p=81", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50baee0f011", "title": "New video", "url": "https://redfrontdoor.org/blog/?p=58", "published_at": "2020-02-18T06:52:45+00:00" }, { "id": "01a0dcdb-598a-71aa-b2dd-d50baee28ed5", "title": "Solving Professor Popalop’s puzzles in Prolog", "url": "https://redfrontdoor.org/blog/?p=51", "published_at": "2020-02-18T06:52:45+00:00" } ] posts Claim your blog
Back to redfrontdoor.org
Blog · corpus.blog/blogs/redfrontdoor.org/posts

redfrontdoor.org

redfrontdoor.org

2026

2025

2024

2023

2022

2021

2020