site: reviews — bIRC, Cayin CP6, Marbles on Piano Strings (graduate from finds)

2026-07-27 01:40:56 -04:00
parent cbc1060b67
commit 01d3499cff
11 changed files with 137 additions and 2 deletions
@@ -6,6 +6,7 @@ shortlist: true
 link: "https://birc.app/"
 linkText: "birc.app"
 source: "Daring Fireball — Linked List"
+promotedTo: birc
 topics: [macos-apps]
 tags: [irc, chat, native-mac, free]
 description: "Free Mac App Store IRC client built only from Apple frameworks, with broad IRCv3 support, bouncer history replay, TLS client certificates, and a sandboxed JavaScript automation API."
@@ -6,6 +6,7 @@ shortlist: true
 link: "https://cayin.com/produkt/cayin-cp6-cd-spieler/"
 linkText: "cayin.com"
 source: "Gear Patrol"
+promotedTo: cayin-cp6
 topics: [music-and-sound, gadgets-and-toys]
 tags: [hi-fi, cd, tubes, portable]
 description: "A battery-powered CD player running two Raytheon JAN6418 tubes on silicone suspension, with Classic Tube, Modern Tube and Solid-State voicings and a one-button disc ripper."
@@ -8,7 +8,7 @@ linkText: "epatel.github.io"
 source: "Hacker News — Show HN"
 topics: [gadgets-and-toys, history-and-archives]
 tags: [retrocomputing, hardware, "6502", open-source]
-description: "The 6502's circuit rebuilt from 4,051 individual SOT-323 transistors on an A4-sized board, each placed at the coordinates of the transistor it replaces on the real die."
+description: "The 6502's circuit redrawn as 4,051 individual SOT-323 transistors on an A4-sized board, each placed at the coordinates of the transistor it replaces on the real die. Designed and verified; no board has been built yet."
 ---

-Every transistor sits at the coordinates of the one it replaces, scaled up from photographs of a decapped 6502 — so the dense stripes across the top are the instruction decoder's own floorplan, and the ordered columns below are the datapath, arranged by the silicon rather than by a designer. The front face carries only transistors and LEDs so the texture reads cleanly; resistors and capacitors live on the back. Fifty-five LEDs, one per register bit, make the CPU's state visible while it runs.
+Every transistor sits at the coordinates of the one it replaces, scaled up from photographs of a decapped 6502 — so the dense stripes across the top are the instruction decoder's own floorplan, and the ordered columns below are the datapath, arranged by the silicon rather than by a designer. Fifty-five LEDs, one per register bit, would make the CPU's state visible as it ran. Would: the design is finished and verified in simulation, but the boards are only now being ordered, and the maker says so plainly.
@@ -6,6 +6,7 @@ shortlist: true
 link: "https://youtu.be/V9fkPC6Jrxw"
 linkText: "youtube.com"
 source: "The Awesomer"
+promotedTo: marbles-on-piano-strings
 topics: [music-and-sound]
 tags: [piano, video, experiment]
 description: "Vinheteiro pours marbles across the strings of a grand piano and plays it anyway — the smooth notes come back rattling."