vvv Click on the categories below to see other topic specific pages vvv
All
|
Aquariums
|
Arduino
|
Btrfs
|
Cars
|
Cats
|
Clubbing
|
Computers
|
Dining
|
Diving
|
Dreamstate
|
Edc
|
Electronics
|
Exercising
|
Festivals
|
Flying
|
Halloween
|
Hbot
|
Hiking
|
Linux
|
Linuxha
|
Monuments
|
Museums
|
Oshkosh
|
Outings
|
Public
|
Rc
|
Sciencemuseums
|
Snow
|
Solar
|
Tfsf
|
Trips
Table of Content for computers:
2026/04/13: Attempt to replace my 60TB Spinning Rust NAS with a Raspberry Pi 5 with Quad PCI Splitter and 18 2.5 Sata SSDs TLC and DRAM-less TeamGroup QLC drives: Unreliable single Lane PCI bus Under Load
(single page)
2025/11/29: IBM 1402 Live Demo at the Mountain View Computer History Museum
(single page)
2025/11/07: Magic or Moremagic
(single page)
2025/10/27: i386 to amd64 to arm64 for Raspberry Pi5 upgrade, part 2: Exim4 made this very painful: Lack of insecure_tainted_data option, untaintable local_parts, no untaint() function, and magic local_part_data that expands to NULL
(single page)
2025/10/26: Finishing Upgrade of Year 2000 Linux System From i386 to amd64 to arm64 for Raspberry Pi5 with mailman 2.1.7 for Python 2, part 1
(single page)
2025/10/23: Magic v5: From Dell Poweredge 2950 to Raspberry Pi 5 (skipping Dell DSS1510)
(single page)
2025/07/17: Cambridge Center for Computing History
(single page)
2024/11/11: Adding USB-Serial and USB-Storage to Ubiquity Edgerouter 4
(single page)
2024/11/10: Getting Things Done in an ADHD World
(single page)
2024/09/25: Moremagic.merlins.org: 2006-2024, RIP
(single page)
2024/07/24: Bonn Arithmeum
(single page)
2024/06/24: Linux on Lenovo P17gen2
(single page)
2024/06/23: Linux on Dell XPS 9730
(single page)
2024/04/14: Electronics Flea Market
(single page)
2024/04/09: Texas Toy Museum and Arcade in Austin
(single page)
2023/12/30: National Videogame Museum in Sheffield, UK
(single page)
2023/12/08: Thinkpad P73 vs P17 gen2 vs Dell XPS 9730 With Linux
(single page)
2021/08/25: Bletchley Park & National Museum of Computing
(single page)
2020/05/04: Hacking Power Supplies and Battery Pack To Get Around ThinkPad P73 Broken Power Supply Design
(single page)
2019/08/15: Magic v3 died, upgrade to V4, Dell Poweredge 2950 and 64bit linux!
(single page)
2016/03/13: Thinkpad P70 With Linux
(single page)
2016/02/29: Hacking a thinkpad slim tip adapter to output more than 90W (required to charge a Thinkpad P70)
(single page)
2016/02/22: Thinkpad P70 NVME vs M2 Sata vs 2.5inch Sata SSD
(single page)
2014/07/23: Making a super cheap water/flood sensor
(single page)
2014/03/01: Thinkpad Count Up to Eight
(single page)
2013/12/09: Keeping Track of How Much Your Roomba is Really Working
(single page)
2013/11/10: Reviewing IP Webcams for Linux and Zoneminder:Dlink DCS900, Ubnt Aircam, Foscam FI8904W FI8910W, FFI9820W, FI9821W, Wansview NCB541W, and Zavio F3210
(single page)
2013/01/30: 2 way talking to a Lockstate LS-DB-500R lock because the Lockstate wifi Remotelock is no good for me
(single page)
2011/08/03: Weather Monitoring with Oregon Scientific WMR968
(single page)
2011/07/24: Hacking an external antenna onto an X10 CM19a, and adding misterhouse support
(single page)
2010/08/13: Fine grained house-wide power monitoring with Brultech ECM1240, ecmread.py (with net metering support), and graphing with cacti
(single page)
2010/08/06: Temperature, moisture, humidity, and UV monitoring and graphing with 1wire devices, owfs, and cacti
(single page)
2010/08/06: Booster Fans and Heating/Cooling with Outside Air with Misterhouse
(single page)
2010/06/25: Rfxcom, W800, and MR26a on misterhouse, X10Sec Garage and Mailbox Setup
(single page)
2010/06/18: 3rd Upgrade for gargamel, my main home server, going for lower power
(single page)
2010/06/18: Powering UPSes with Marine or AGM batteries
(single page)
2010/05/12: One Year Of Solar Stats
(single page)
2010/03/11: One Year Of Solar Panels
(single page)
2010/02/14: Daily Power and Solar Stats
(single page)
2009/12/23: Temperature monitoring and graphing with 1wire devices, digitemp, misterhouse, and cacti
(single page)
2009/11/21: Thinkpad Evolution
(single page)
2009/11/08: Brand One Powermeter, Solar and Power Monitoring with Cacti and Real Time PG&E Time of Use price calculation
(single page)
2009/03/16: Insteon Setup and my own Blender Defender
(single page)
2008/01/16: rescuing/rebuilding magic, and magic back online and live
(single page)
2007/12/31: magic took a dive, for real this time.
(single page)
2007/11/28: magic took a dive (updated)
(single page)
2002/07/16: First Linux Server Closet
(single page)
2001/10/04: My First Computers
(single page)
More pages:
April 2026
November 2025
October 2025
July 2025
November 2024
September 2024
July 2024
June 2024
April 2024
December 2023
August 2021
May 2020
August 2019
March 2016
February 2016
July 2014
March 2014
December 2013
November 2013
January 2013
August 2011
July 2011
August 2010
June 2010
May 2010
March 2010
February 2010
December 2009
November 2009
March 2009
January 2008
December 2007
November 2007
July 2002
October 2001
2024/07/24
Bonn Arithmeum
π
2024-07-24 01:01 in Computers, Germany, Sciencemuseums
Bonn had several nice museums, Arithmeum was a nice one mostly on calculators over the years, with a few shots of computer chips:
See more images for
Bonn Arithmeum
More pages:
April 2026
November 2025
October 2025
July 2025
November 2024
September 2024
July 2024
June 2024
April 2024
December 2023
August 2021
May 2020
August 2019
March 2016
February 2016
July 2014
March 2014
December 2013
November 2013
January 2013
August 2011
July 2011
August 2010
June 2010
May 2010
March 2010
February 2010
December 2009
November 2009
March 2009
January 2008
December 2007
November 2007
July 2002
October 2001
Contact Email
