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Understanding the BeagleBone’s built in microcontrollers (2016) (righto.com)
154 points by codezero 10 days ago | past | web | 57 comments
Hammer time: fixing the printer on a vintage IBM 1401 mainframe (righto.com)
4 points by octosphere 36 days ago | past | web
Hammer time: fixing the printer on a vintage IBM 1401 mainframe (righto.com)
39 points by robin_reala 36 days ago | past | web | 6 comments
Reverse engineering the ARM1 processor's microinstructions (righto.com)
3 points by fanf2 39 days ago | past | web
Reverse engineering the ARM1, ancestor of the iPhone's processor (2015) (righto.com)
77 points by mariuz 39 days ago | past | web | 12 comments
Reverse engineering the ARM1 processor's microinstructions (righto.com)
2 points by peter_d_sherman 59 days ago | past | web
Two bits per transistor: high-density ROM in Intel's 8087 floating point chip (righto.com)
93 points by magnat 3 months ago | past | web | 13 comments
Bad relay: Fixing the card reader for a vintage IBM 1401 mainframe (righto.com)
23 points by robin_reala 3 months ago | past | web | 1 comment
The printer that wouldn't print: Fixing an IBM 1401 mainframe from the 1960s (righto.com)
129 points by rbanffy 4 months ago | past | web | 48 comments
Glowing mercury thyratrons: inside a 1940s Teletype switching power supply (righto.com)
131 points by eaguyhn 4 months ago | past | web | 49 comments
Glowing mercury thyratrons: inside a 1940s Teletype switching power supply (righto.com)
4 points by kens 4 months ago | past | web
Inside the die of Intel's 8087 coprocessor chip, root of modern floating point (righto.com)
226 points by ingve 5 months ago | past | web | 73 comments
[flagged] Hacker News comments I'm tired of seeing (2013) (righto.com)
38 points by mtmail 5 months ago | past | web | 34 comments
Silicon die analysis: inside an op amp with interesting “butterfly” transistors (righto.com)
109 points by tubetime 6 months ago | past | web | 39 comments
Inside the 76477 Space Invaders sound effect chip (righto.com)
151 points by reportingsjr 8 months ago | past | web | 29 comments
Bitcoins the hard way: Using the raw Bitcoin protocol (2014) (righto.com)
2 points by walterbell 8 months ago | past | web
Solving FizzBuzz by generating raw video with an FPGA (righto.com)
3 points by zdw 9 months ago | past | web
A 1970s disk drive that wouldn't seek: getting our Xerox Alto running again (righto.com)
2 points by eaguyhn 9 months ago | past | web
A 1970s disk drive that wouldn't seek: getting our Xerox Alto running again (righto.com)
6 points by robin_reala 9 months ago | past | web
Reading a VGA monitor's configuration data with I2C and a PocketBeagle (righto.com)
121 points by robin_reala 9 months ago | past | web | 24 comments
Implementing FizzBuzz on an FPGA (righto.com)
261 points by jf 10 months ago | past | web | 60 comments
Repairing the card reader for a 1960s mainframe: cams, relays and a clutch (righto.com)
140 points by zdw 11 months ago | past | web | 65 comments
IBM mainframe tube module part II: Powering up and using a 1950s key debouncer (righto.com)
88 points by robin_reala on Jan 14, 2018 | past | web | 25 comments
Xerox Alto's 3 Mb/s Ethernet: Building a Gateway with a BeagleBone (righto.com)
153 points by jf on Jan 9, 2018 | past | web | 43 comments
Inside the ubiquitous 741 op amp (righto.com)
1 point by brian-armstrong on Jan 7, 2018 | past | web
An 8-tube module from a 1954 IBM 705 mainframe: it's a key debouncer (righto.com)
137 points by fanf2 on Jan 7, 2018 | past | web | 56 comments
Xerox Alto zero-day: cracking disk password protection on a 45 year old system (righto.com)
240 points by jjwiseman on Jan 4, 2018 | past | web | 64 comments
Inside the Ubiquitous 741 Op Amp (righto.com)
5 points by brian-armstrong on Dec 31, 2017 | past | web
Repairing a 1960s mainframe: Fixing the IBM 1401's core memory and power supply (righto.com)
145 points by fernly on Dec 24, 2017 | past | web | 18 comments
Repairing a 1960s-era IBM keypunch: controlled by mechanical tabs and bars (righto.com)
23 points by sohkamyung on Dec 19, 2017 | past | web | 6 comments
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