• State of Supercomputers around the World in 2026
  May 11, 2026
• How to Build GHDL on Apple M
  August 17, 2025
• A Minimum Complete Tutorial of Portable Document Format (PDF) with pdfsh
  October 11, 2024
• Using a Pico 2 RP2350 without the Pico SDK Build System
  September 11, 2024
• Lustre 2.15.4 on RHEL 8.9 and Ubuntu 22.04
  April 12, 2024
• State of Supercomputers around the World
  April 06, 2024
• THAT: THe Analog Thing
  January 05, 2024
• Thoughts on MCU/Embedded Register and Field Access Patterns
  December 21, 2023
• Solution to LOAD segment with RWX permissions warning with CMSIS
  November 11, 2023
• Demystifying Arm Cortex-M33 Bare Metal: Compile, Assembly and Link
  November 01, 2023
• PM2.5 and VOC Emission in 3D Printing
  October 18, 2023
• Demystifying Arm Cortex-M33 Bare Metal: Startup
  October 13, 2023
• Tape Backup for TrueNAS Core
  October 02, 2023
• Demystifying Arm GNU Toolchain Specs: nano and nosys
  September 19, 2023
• A minimum complete introduction to ESA's Euclid Mission
  July 09, 2023
• Measuring the Power Consumption of an ARM Cortex-M0 MCU: STM32F072
  June 27, 2023
• CADR LISP Machine and CADR Processor
  June 15, 2023
• AlphaServer and Tru64 UNIX in 2023
  May 20, 2023
• Installing OpenSSH on Tru64 UNIX 4.0F
  May 15, 2023
• Adventures with Linear Tape-Open (LTO) at Home in 2023
  March 23, 2023
• Work-In-Progress: Studying Ethernet Physical Layer 1
  January 10, 2023
• DPDK 22.11 LTS and TRex on PC Engines apu4d4 running Ubuntu 22.04 LTS
  January 10, 2023
• Building DPDK 22.11 and Using TRex with ConnectX-3 Pro (mlx4) on Ubuntu 22.04
  December 22, 2022
• A note on DHCPv6 DUID and Prefix Delegation
  November 19, 2022
• Choosing a Programmable (Logic) Controller (PLC) for Experimentation
  November 05, 2022
• SIMATIC S7-300 CPU 314 Response Time
  November 04, 2022
• Notes about Rega RP3 Upgrades
  October 22, 2022
• A List of Small Mod(ification)s and Fixes
  October 22, 2022
• AMD EPYC 7313P Energy Consumption Test
  April 29, 2022
• A Minimum Complete Example of Debian Packaging and Launchpad PPA: hellodeb
  April 24, 2022
• Review of QNAP QSW M Series 10G Switches
  April 14, 2022
• AMD EPYC 7313P and Supermicro H12SSL NUMA Topology
  April 08, 2022
• Building a Home Lab Server in 2022
  April 04, 2022
• Notes on selecting and using a QNAP NAS at home
  January 05, 2022
• How a NIC receives a packet: PC Engines apu4d4 Packet-per-Second Throughput
  July 25, 2021
• Install and Configure DPDK on PC Engines apu4d4
  July 19, 2021
• Upgrading the Home Network to 10G
  July 05, 2021
• Tektronix SD-24 TDR/Sampling Head Teardown
  April 15, 2021
• Z0 Probe
  December 23, 2020
• STM32H7 (Cortex-M7) GPIO toggling
  December 07, 2020
• Demystifying a very simple TrustZone enabled program on ARM Cortex-M33
  November 02, 2020
• A Simple and Cheap but Powerful Heartbeat Fault Detector for Intranet
  October 08, 2020
• Accuracy of GroLine pH/EC Sensor after Single Point Calibration
  August 08, 2020
• Making a high quality and modular pinhole lens
  June 25, 2020
• Shutter Lag Measurement of Fuji X-H1 and Sony A7RII with StopShot
  May 17, 2020
• Measuring the resolution of Fuji X-T2
  May 06, 2020
• Measuring Thorlabs P300D Precision Pinhole
  May 05, 2020
• Measuring Light for Indoor Plants: Using i1Studio as a PAR PPFD Meter
  April 22, 2020
• Rohde & Schwarz RTB2004
  March 13, 2020
• Software Reaction Time: Introduction
  March 11, 2020
• Efficient Multi Language Typing on Windows
  February 23, 2020
• micro:bit (nRF51, Cortex-M0) GPIO toggling
  February 19, 2020
• Hello IPv6: a minimal tutorial for IPv4 users
  February 13, 2020
• How to install Ubuntu Linux onto PC Engines apu4d4 using PXE
  February 07, 2020
• Godox V1 Flash Duration Measured with Sekonic L-858D
  February 04, 2020
• Cardless Raspberry Pi 4: How to use a Raspberry Pi 4 without an SD card ?
  February 03, 2020
• A Raspberry Pi Temperature Monitoring Experiment in the Fridge
  January 30, 2020
• Measuring the Color Rendering Quality and Aputure Amaran AL-F7 LED Light
  November 06, 2019
• What is inside a Camera Lens ?
  August 21, 2019
• Fujifilm EF-X20 Flash Duration Measured with Sekonic L-858D
  July 18, 2019
• Bare Metal Raspberry Pi 3B+: Programming
  May 13, 2019
• Bare Metal Raspberry Pi 3B+: JTAG
  March 23, 2019
• Bare Metal Raspberry Pi 3B+: Network Boot
  March 22, 2019
• A Quick Tour of GUID Partition Table (GPT)
  March 04, 2019
• A Minimum Complete Tutorial of DNSSEC
  February 21, 2019
• A Map of IETF RFCs with d3.js
  December 17, 2018
• A Short Practical Tutorial of dig, DNS and DNSSEC
  December 13, 2018
• Digging into JEP 280: Indify String Concatenation
  December 05, 2018
• JEP 285: Spin-Wait Hints in Java
  December 04, 2018
• Everything about Java's SecureRandom
  November 28, 2018
• A Minimum Complete Tutorial of CPU Power Management, C-states and P-states
  October 16, 2018
• Using U2F at Linux Login
  May 08, 2018
• Keeping Track of Personal Linux Customization with Git
  May 08, 2018
• Efficient Multi Language Typing on Linux
  January 15, 2018
• A Minimum Complete Tutorial of Linux ext4 File System
  August 25, 2017
• A Quick Tour of NVM Express (NVMe)
  August 24, 2017
• A Very Short vi Session with strace
  August 09, 2017
• Demystifying the JVM: JVM Variants, Cppinterpreter and TemplateInterpreter
  January 27, 2017
• Demystifying the JVM: Interpretation, JIT and AOT Compilation
  January 22, 2017