Submissions from righto.com

		Silicon die analysis: inside an op amp with interesting “butterfly” transistors (righto.com)
		109 points by tubetime 25 days ago \| past \| web \| 39 comments
		Inside the 76477 Space Invaders sound effect chip (righto.com)
		151 points by reportingsjr 60 days ago \| past \| web \| 29 comments
		Bitcoins the hard way: Using the raw Bitcoin protocol (2014) (righto.com)
		2 points by walterbell 75 days ago \| past \| web
		Solving FizzBuzz by generating raw video with an FPGA (righto.com)
		3 points by zdw 3 months ago \| past \| web
		A 1970s disk drive that wouldn't seek: getting our Xerox Alto running again (righto.com)
		2 points by eaguyhn 3 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 3 months ago \| past \| web
		Reading a VGA monitor's configuration data with I2C and a PocketBeagle (righto.com)
		121 points by robin_reala 3 months ago \| past \| web \| 24 comments
		Implementing FizzBuzz on an FPGA (righto.com)
		261 points by jf 4 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 5 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 6 months ago \| past \| web \| 25 comments
		Xerox Alto's 3 Mb/s Ethernet: Building a Gateway with a BeagleBone (righto.com)
		153 points by jf 6 months ago \| past \| web \| 43 comments
		Inside the ubiquitous 741 op amp (righto.com)
		1 point by brian-armstrong 6 months ago \| past \| web
		An 8-tube module from a 1954 IBM 705 mainframe: it's a key debouncer (righto.com)
		137 points by fanf2 6 months ago \| past \| web \| 56 comments
		Xerox Alto zero-day: cracking disk password protection on a 45 year old system (righto.com)
		240 points by jjwiseman 6 months ago \| past \| web \| 64 comments
		Inside the Ubiquitous 741 Op Amp (righto.com)
		5 points by brian-armstrong 6 months ago \| past \| web
		Repairing a 1960s mainframe: Fixing the IBM 1401's core memory and power supply (righto.com)
		145 points by fernly 6 months ago \| past \| web \| 18 comments
		Repairing a 1960s-era IBM keypunch: controlled by mechanical tabs and bars (righto.com)
		23 points by sohkamyung 7 months ago \| past \| web \| 6 comments
		Lacking safety features, cheap MacBook chargers create big sparks (righto.com)
		4 points by prando 7 months ago \| past \| web
		Mining Bitcoin with pencil and paper: 0.67 hashes per day (2014) (righto.com)
		642 points by dvt 7 months ago \| past \| web \| 156 comments
		Creating a Christmas card on a vintage IBM 1401 mainframe (righto.com)
		4 points by ingve 7 months ago \| past \| web \| 1 comment
		Creating a Christmas card on a vintage IBM 1401 mainframe (righto.com)
		2 points by frostmatthew 7 months ago \| past \| web
		Creating a Christmas card on a vintage IBM 1401 mainframe (righto.com)
		2 points by robin_reala 7 months ago \| past \| web
		Creating a Christmas card on a vintage IBM 1401 mainframe (righto.com)
		84 points by sohkamyung 7 months ago \| past \| web \| 20 comments
		Decoding an air conditioner control's checksum with differential cryptanalysis (righto.com)
		174 points by kogir 7 months ago \| past \| web \| 13 comments
		Bitcoin mining on a 55 year old IBM 1401 mainframe: 80 seconds per hash (righto.com)
		3 points by bhartzer 7 months ago \| past \| web
		Reversing Sinclair's amazing 1974 calculator hack – half the ROM of the HP-35 (righto.com)
		1 point by curtis 7 months ago \| past \| web
		Hands-on with the PocketBeagle: a $25 Linux computer with lots of I/O pins (righto.com)
		208 points by kens 7 months ago \| past \| web \| 64 comments
		Fixing the Ethernet Board from a Vintage Xerox Alto (righto.com)
		138 points by mkeeter 8 months ago \| past \| web \| 29 comments
		Living cells are very fast and crowded places (2012) (righto.com)
		205 points by manigandham 8 months ago \| past \| web \| 79 comments
		Identifying the “Early IBM Computer” in a Twitter Photo (righto.com)
		88 points by stablemap 8 months ago \| past \| web \| 46 comments
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