Канал: Donkey Learning IT

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 #3: Inductor in electronic circuits P1

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

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 #2: Stand-by circuit and its functionality

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Introduction to RAID arrays, basic concepts, sequential vs. random I/O, mechanical vs. SSD drives

Introduction to RAID arrays, basic concepts, sequential vs. random I/O, mechanical vs. SSD drives

Repair of a Cisco 2960G switch with amber LED via RAM chip replacement (FAIL/defect)

Repair of a Cisco 2960G switch with amber LED via RAM chip replacement (FAIL/defect)

How to reflow a GPU from start to finish #2 reflow process and testing the repaired card

How to reflow a GPU from start to finish #2 reflow process and testing the repaired card

How to reflow a GPU from start to finish #1 preparing the card for BGA reflow

How to reflow a GPU from start to finish #1 preparing the card for BGA reflow

Tools for BGA and SMD rework #2 reballing, IR rework station, flux and profile development

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

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

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

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

Corsair VS550 vs Be Quiet! 500W power supply side-by-side comparison and overview

Corsair VS550 vs Be Quiet! 500W power supply side-by-side comparison and overview

APC PDU #3 Howto reset the password under linux and windows step-by-step

APC PDU #3 Howto reset the password under linux and windows step-by-step

APC 7920 PDU #2 DIY cheap serial console cable for password reset

APC 7920 PDU #2 DIY cheap serial console cable for password reset

APC 7920 PDU #1 overview, usage scenarios and teardown

APC 7920 PDU #1 overview, usage scenarios and teardown

DIY cheap microphone preamp for Canon DSLR #3 case build and putting it together

DIY cheap microphone preamp for Canon DSLR #3 case build and putting it together

DIY cheap microphone preamp for Canon DSLR #2 soldering components into PCB

DIY cheap microphone preamp for Canon DSLR #2 soldering components into PCB

DIY cheap microphone preamp for Canon DSLR #1 component selection and tools

DIY cheap microphone preamp for Canon DSLR #1 component selection and tools

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

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

Howto build virtualization home lab #3 RAM instal and Fractal Design XL R2 case preparation

Howto build virtualization home lab #3 RAM instal and Fractal Design XL R2 case preparation

Howto build virtualization home lab #2 Thermalright 140BW cooler install on Gigabyte 990FXA-UD5

Howto build virtualization home lab #2 Thermalright 140BW cooler install on Gigabyte 990FXA-UD5

Howto build virtualization home lab #1 Unboxing 990FXA-UD5, AMD FX 8350, Thermalright 140BW

Howto build virtualization home lab #1 Unboxing 990FXA-UD5, AMD FX 8350, Thermalright 140BW

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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