Donkey Learning IT

Cisco 1941 ISR router teardown an detailed overview for CCNA lab and repair

Howto build virtualization home lab for VMware, KVM, GNS3 and ZFS: Part selection (part2)

Cisco 1941 ISR router teardown an detailed overview for CCNA lab and repair

RAID arrays: RAID0 striping, mean time between failure, tracks, sectors, onsite and offsite backup

Howto repair switch mode power supplies #6: Basics of Linear Regulators and voltage references

Building an IKEA table-rack mounted lab for virtualization, CCNA-CCNP studies, and ZFS

AC voltage Part 2: root-mean-square (RMS) value explained in Python

Repair Cisco ASA5505 firewall not powering on: video reply to subscriber question

Howto repair switch mode power supplies #2: Stand-by circuit and its functionality

Howto repair switch mode power supplies #4: Inductor in electronic circuits P2

Howto repair switch mode power supplies #3: Inductor in electronic circuits P1

Howto repair switch mode power supplies #5: Magnetic core materials, ferrite vs steel

SMPS repair series #11: Basics of Feedback Loop and Control Theory in power supplies

Switch mode power supply repair #8: Pulse Width Modulation explained (PWM)

KVM hypervisor install on virtualization server: BIOS, VT-x, VT-d, Debian bootable USB

Cisco 2960G Switch teardown an detailed overview for CCNA lab and repair -Part1

Switch mode power supply repair #7: Basics of Pulse Width Modulation (PWM)

Electron flow vs. Conventional current: Thompson's cathode ray experiment

SMPS repair series #10: Temperature compensated Zener diode in linear regulators

SMPS repair series #9: Zener diode and power transistor without feedback loop

Type 1 bare metal vs Type 2 hosted hypervisors, and the VT-x extension: Basics of virtualization

Howto repair switch mode power supplies #1: basics, and block diagram of a PSU

Raptoreum profit: Intel Xeon E5 vs AMD Ryzen 9 3900: too late for the party

AC vs DC voltage Part 1: RMS Equivalent heating value explained

Cisco stackwise #1 Basics tutorial on the switch stackwise for CCNA

IKEA Ledare 1800lm 22W LED lamp: Teardown and overview

Cisco 2960G Switch teardown an detailed overview for CCNA lab and repair -Part2

Howto build virtualization home lab #4 HP NC364T cards for GNS3 home lab and MoBo install

Article 13: Should I turn on YouTube monetization? Your opinion matters

Cheap home lab build: virtualization server, GNS3 for CCNA-CCNP rack, and ZFS

Cisco ASA5505 firewall teardown an detailed overview for CCNA security lab and repair

Howto build virtualization home lab for VMware, KVM, GNS3 and ZFS: Part selection

Building an IKEA Lack Rack on wheels for Cisco CCNA and virtualization home lab

Cisco 3750G Gigabit Layer 3 switch teardown, a detailed overview for CCNA lab and repair

500W Be Quiet! ATX power supply teardown, detailed overview and repair

Cisco 3750G Gigabit Layer 3 switch PSU & MoBo component level teardown: CCNA lab and repair

460W Switch Mode PSU teardown, detailed overview and repair: Cisco 3550 PWR PoE

Tools for BGA and SMD rework #1 soldering station, multimeter, screw drivers, microscope

Setting up APC7920 PDU power distribution unit: IP address, web management HTTP, HTTPS, SSL, SSH