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Registered Users at Windows

Windows user accounts let multiple people share a computer with private files, apps, and settings, or allow you to separate work from personal tasks. You can manage them through the Microsoft Support User Management Guide.

Types of User Accounts

Administrator: Has complete, full control over the computer, including installing software and changing system-wide settings.

Standard User: Can use installed apps, browse the web, and save personal files, but cannot change core system settings or install software that affects other users.

Local vs. Microsoft Account: A Microsoft account links your login to cloud services, email, and settings sync across devices, whereas a local account stays offline and strictly tied to that specific PC.

Quick Ways to View All Accounts on a PC

Using netplwiz: Press Windows + R, type netplwiz, and hit Enter to open the classic User Accounts panel.

Using Settings: Go to Settings > Accounts > Other users to see a full roster of non-admin or secondary profiles.

How to Switch Between User Accounts

• From the Start Menu: Click the Start button, select your profile icon at the bottom (or side), and choose another user account from the list.

• From the Lock Screen: Press Windows + L to lock your PC, then select the desired user profile at the bottom-left corner of the screen and enter their password.

How to View and see the List of users using Commant Prompt

C:\WINDOWS\system32>net users

User accounts for \\DESKTOP-FU65745

-------------------------------------------------------------------------------

Administrator DefaultAccount Guest

UnlockForUs WDAGUtilityAccount

The command completed successfully.

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UN ONLINE COURSES

Engineering is the practice of using science, math, and creativity to design, build, and improve structures, machines, systems, and processes that solve real-world problems.

Enroll Now at http://nagauniversity.net Free Laptop

Control Engineering

Control Engineer (or controls and automation engineer) is an engineering specialist who designs, develops, installs, and maintains dynamic systems and automated equipment. They act as the bridge between physical machinery and digital intelligence, ensuring that industrial and mechanical processes run safely, efficiently, and with high precision.

Electronics Engineering

a branch of electrical engineering that focuses on designing, developing, and testing small-scale circuits, microchips, and semiconductor devices to process and communicate information rather than distribute heavy power.

Electrical Engineering

They designs, develops, tests, and supervises the manufacturing and installation of electrical equipment, components, and systems—ranging from small microchips to massive power grids.

Mechanical Engineering

Mechanical engineer designs, develops, builds, and tests mechanical and thermal devices, machines, and systems.

Civil Engineering

A civil engineer is a professional who plans, designs, builds, operates, and maintains public and private infrastructure—such as roads, bridges, dams, water systems, and buildings—while protecting public and environmental health.

Computer Engineering

A computer engineer combines electrical engineering and computer science to design, develop, and test computer hardware and software systems

Source: Google

Show How much RAM is Installed

RAM (Random Access Memory) is a type of short-term, high-speed computer memory that temporarily stores active data, running applications, and the operating system your CPU is using right now.

How?

1. At Run Window, type: control /name Microsoft.system

2. Using cmd.exe, type: systeminfo

How RAM Works

Volatile Storage: RAM loses all its stored data the moment you turn off or restart your device (unlike long-term storage drives like SSDs or HDDs).

Direct CPU Access: The processor can read and write data in RAM in any order at lightning-fast speeds, making multitasking and app loading smooth.

The "Desk" Analogy: Think of RAM like a physical desk. A bigger desk (more GB) lets you spread out more papers and tools (open apps) at the same time without clutter or slowdowns.

Main Types of RAM

DRAM (Dynamic RAM): Used for main computer and phone memory; it needs constant electrical refreshes to keep data. Modern systems typically use DDR4 or DDR5 SDRAM.

SRAM (Static RAM): Faster and more expensive; used for small, ultra-fast CPU cache memory because it does not need refreshing as long as power is supplied.

How Much RAM Do You Need?

> 4 GB to 8 GB: Basic web browsing, schoolwork, and light office tasks.

> 16 GB: General multitasking, moderate gaming, and daily productivity.

> 32 GB to 64 GB+: Heavy gaming, 4K video editing, 3D rendering, and professional content creation.

Learn more about how memory modules function via Britannica's RAM Guide or check out tips on Intel's Computer RAM Overview.

Source: Google

From Intel:

What Is Computer and Laptop RAM?

Random-access memory, or RAM, has a direct impact on your computer experience. Learn what RAM is and whether your computer has enough.

How to Show Run Window in VB.NET Code

heres a quick way to Show Run Window in Visual Basic .Net Code.

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Process.Start("shell:::{2559a1f3-21d7-11d4-bdaf-00c04f60b9f0}")

End Sub

Thats it!!!

Windows Features includes lots of Tools

Windows includes a control panel utility called Windows Features that lets you add or remove optional, non-essential system components by checking or unchecking boxes.

How to Access Windows Features

1. Open the Control Panel (or press Win + R, type control or shell:::{67718415-c450-4f3c-bf8a-b487642dc39b}, and press Enter).

2. Click on Programs and Features.

3. Click the Turn Windows features on or off link on the left side.

4. Check the box next to any feature you want to install, or uncheck it to remove it, then click OK. (You may need to restart your PC afterwards.)

Common Optional Features Available

• .NET Framework versions (such as .NET Framework 3.5 and 4.8).

• Hyper-V and Virtual Machine Platform for running virtual machines.

• Windows Subsystem for Linux (WSL) to run Linux environments directly inside Windows.

• Internet Information Services (IIS) for web hosting and management.

• Print and Document Services.

• Remote Desktop Client/Server features.

• Legacy components like DirectPlay or SMB 1.0/CIFS file sharing support.

For enterprise environments, administrators can also manage or hide these features remotely using Group Policy, Mobile Device Management (MDM), or Windows PowerShell via the Microsoft Learn Feature Guide.

Source: Google and Heading Windows

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Natively Backup your Device Drivers

A device driver is a specialized software program that acts as a translator between a computer's operating system (OS) and its hardware devices.

What They Do

> Translate Commands: They convert high-level instructions from the OS or apps into low-level commands that specific hardware understands.

> Provide an Interface: They let software use hardware (like printers, graphics cards, or mice) without needing to know the complex internal design of that hardware.

> Handle Communication: They manage data flow through computer buses and connection ports (such as USB or PCIe).

Why They Matter

> Hardware Function: Without the correct driver, a device will show up as unrecognized, fail to work, or cause system crashes and errors.

> Updates: Manufacturers release driver updates to fix bugs, improve security, and add new features. You can check or update them via your OS settings (such as the Lenovo Philippines Glossary on Device Drivers) or directly from the hardware maker's

Zip Studio for Mainframe Design

DotNet Programming now in years of work, people now can use compression functions such as zip although Shell32 options can also be use, Here you are...

Enjoy

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Checking your Wireless if Installed

You wanted to check if Wifi is installed in Windows Server.. Follow the steps below to proceed and see which Network SSID is connected.

Press Win+R > type "netplwiz"

Thats it!

VB.NET LOGGER TECHNOLOGY

Heres the Logger Technology at different applications.

No Power Alarm Logger

Water Level Monitoring and Logger

Power Line Monitoring System Logger

Thats it!

Uninterruptible Power Supply (UPS) and a Battery Energy Storage System

An Uninterruptible Power Supply (UPS) and a Battery Energy Storage System (BESS) both provide backup power, but they are built for different speeds, runtimes, and goals.

Heres a design schematic created by me. Everything is changeable.

Uninterruptible Power Supply (UPS)

> Primary Job: Instantaneous, short-term protection against power drops, voltage sags, and sudden blackouts.

> Response Time: Milliseconds (usually under 10ms) to prevent sensitive equipment from resetting.

> Duration: Seconds to a few minutes (just long enough to safely shut down systems or bridge the gap until a generator starts).

> Common Uses: Data center servers, computers, medical equipment, and telecommunication gear.

Battery Energy Storage System (BESS)

> Primary Job: Large-scale energy storage, long-duration backup, and smart power management (like peak shaving or solar integration).

> Response Time: Fast, though traditional BESS units focus more on capacity than micro-second switching (though hybrid units exist

> Duration: Hours to a full day, depending on battery size.

> Common Uses: Whole-building or industrial backup, microgrids, renewable energy storage (solar/wind), and lowering utility demand charges.

Which should you choose?

• Choose a UPS if you have zero tolerance for downtime and need to protect sensitive electronics from a sudden millisecond power blip.

• Choose a BESS if you want to store renewable energy, power a site through multi-hour outages, or lower your facility's daily electricity bills.

• Note: Many modern critical infrastructure setups use a layered approach, where the UPS handles the first few seconds of a blackout, the BESS provides medium-duration backup or peak shaving, and a generator handles multi-hour outages.

Source: Google

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CB ZERO: UPS NEW 2023 DESIGN

Heres a UPS schematic designed last 11:27 pm 03/09/2023, I draw the schematic at Naga City, Philippines.

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How to Play Double Dragon at Windows

here: http://103.200.35.158/un/DoubleDragon2.zip

How to Run Super Mario at Windows

SPY Hunter NES DOS Game at Windows

Bring back your memories and play spy hunter at Windows..

Next will be Logger Technology and many more. THANKS

ENJOY

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Restarting your Computer using the Task Manager

Before, Shutdown Restart are located at Menus. How to recreate the option is easy.

At File Menu > Run new Task > type "shutdown -r -t 00"

THATS IT

Fastest Search Algorithm up to Date

A while ago we are talking about writing of data technology at the internet. I used ASP.NET because of its SERVER SIDE languages. Its really working after you setup fine at Windows Server 2008 and 2022.

Heres a structure at Pedialogy.org website, I deleted the website because of its super advancement and request.

Database Code Structure

a-database

b-database

c-database

d-database

e-database

f-database

g-database

VB.NET

If TextBox1.Text.ToString().Trim.ToLower().IndexOf("a", 0, 1) > -1 Then

'the word search is starting with A

THATS IT

McAfee Scan 2027 with Lawrence Explorer

Remember Lawrence Explorer, I integrated the old dos McAfee Scan and update with the latest dat file.

Download here

C:\scan>scan /clean /all c:

McAfee VirusScan Command Line for Win32 Version: 6.0.6.653

Copyright (C) 2015 McAfee, Inc.

(408) 988-3832 LICENSED COPY - October 30 2026

AV Engine version: 5800.7501 for Win32.

Dat set version: 11950 created Oct 29 2026

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ASP.NET WRITING TECHNOLOGY

Heres what you can do to write into a self database (csv file, a sequential database) in world wide web or internet. Its a server side programming using FTP Protocol.

http://103.200.35.158/count/cod.aspx

We are writing i = i + 1, using FTP with username and Password!

AMAZING!

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Additional Clocks at Windows

This is the Command Line Shortcut and open the tabs by default

1. Press Win+R

2. Type:

Rundll32.exe shell32.dll,Control_RunDLL timedate.cpl,,1

3. and Press Enter

Thats it!

Calculator in VB.Net 2025++ and Javascript

The code can be compiled natively using dotnet run command. Anyway I wrote an Integrated Development Software for the Vb.Net code (.net 6 sdk). the code was very readable.

CALCULATOR in vb.Net

1. EXATRACT THE ZIP FILE.

2. INSTALL FIRST THE SDK TO RUN THE IDE (Notepadcoder6) EXE FILE (Notepadcoder6.exe)

3. OPEN the Code (Calculator.vbproj), Downloads\calculator\calculator\code\Calculator, push Compile to RUN and CREATE exe file.

Javascript versions: (open with notepad)

1. basiccalc.html

2. basiccalc2.html

3. basiccalc3.html

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Changing Open Folder Icon

It's now easy to search and navigate your Registry and Windows Explorer. Just change and use a different Open folder icon.

Registry Folder:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Shell Icons

Data Value

"4" = {Icon Path}

e.g.

"4" = C:\Windows\system32\shell32.dll,137

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Changing Drive Icons

This is the Ultimate update at Windows that enables us to browse directly to the system icons in which some of them are in High Resolution.

Windows Registry Folder Location

HKEY_CLASSES_ROOT\Applications\Explorer.exe\Drives\C\DefaultIcon

Drive C: = C

Drive D: = D

Drive E: = E

and so on...

(Default) = {Icon Path}

e.g.

Drive C:

(Default) = %SystemRoot%\System32\imageres.dll,29

Drive E:

(Default) = %SystemRoot%\System32\imageres.dll,55

THATS IT!

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Sockets Zero: Goodbye 32 bit Winsock

Remember Yahoo Messenger? Applications of CHAT Technology is very vast from Remote I/O, CB Implementation, Cash Transfers and Banking. We cant sleep if I will not declare this nation first. You can forensic or study the code. It came from google and just recoded or fix it up. tada...

ORIGINAL SOCKETS or client-server technology (Do not try, just read the code)

Fix version with Auto Reset (you can try)

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CB ZERO: Bi Relay

First, Second Done. Easy? Nope, this is advanced way to use transistors instead of CD4017 IC. the technology came from one touch shimasu reset function of toggle switch using transistors. Its encoded haha..NAT

It was tested using simulators only.

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CB THREE: Manually Clock Input using PB

Heres an easy way to do clock input manually replicating 555 and other ICs like cmos.

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OR GATE FIX

We thought its just parallel connection or based on tables. Heres the fix.

THATS IT!

CB ZERO: BUFFER TRANSISTORS

Heres an easy way to create a buffer circuit using transistor. its 1 00 1. The bigger output

is based on power supply.

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Component Registration at Windows

When I was young, If we need to install VB6 Program, you need Visual studio installed.

I just need the EXE file.

For Winsock.Ocx if needed in the Program, Heres How to register:

> Press Win +R, type "cmd"

> goto the folder and type: REGSVR32 "%~DP0MSWINSCK.OCX"

Thats it!

Running Windows Update from the command line

In Windows, you decide when and how to get the latest updates to keep your device running smoothly and securely.

How to run Windows Update from the Command Prompt

Press Win+R, type "cmd" and Enter key afterwards

type start ms-settings:windowsupdate

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Owner Registration of Computer running in Windows

Heres How to register your computer and check whos the owner of laptop or PC.

Press Win+R, type "regedit"

Goto the following registry folder:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion

"RegisteredOwner" = [YourName]

How to check whos the owner:

Press Win+R, type "winver"

OR Use WinBubble...

Thats it!

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God Mode using Windows Explorer

God Mode is a special option available in the several versions of Windows that gives you quick access to most of the tips, administrative tools, applets and commands that can help users to fix any encountered problems in daily computing.

To access God Mode, create the following folder

GodMode.{ED7BA470-8E54-465E-825C-99712043E01C}

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How to check your UTP wires Easily

Theres no cut on wires or network cable...How will you check the wire easily?

Ping is a network management software utility used to test the reachability of a host on an Internet Protocol (IP) network.

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]

[-r count] [-s count] [[-j host-list] | [-k host-list]]

[-w timeout] [-R] [-S srcaddr] [-c compartment] [-p]

[-4] [-6] target_name

ping 192.168.0.1 -t

THATS IT

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Autologon at Windows

We setup a startup program, the problem is, username and password at the startup.

Autologon enables you to easily configure Windows’ built-in mechanism. Instead of waiting for a user to enter their name and password, Windows uses the credentials you enter with Autologon, which are encrypted in the Registry, to log on the specified user automatically.

1. Download at Microsoft

2. goto the following registry folder:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

AutoAdminLogon = 1

DefaultUserName = [username]

DefaultPassword = [Password]

3. Check netplwiz...

Thats it!

Bootable Application or Startup Program

Heres how to setup your program to run after Machine Starts like autoexec.bat at Windows NT...

1. Press Win+R, type shell:startup, put the application shortcut inside the folder. C:\Users\[Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup

Thats it!

2. Press Win+R, type regedit, goto registry folder: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

Shell = [Application Path and name]

3.Press Win+R, type regedit, goto registry:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce

SecurityHealth=%windir%\system32\SecurityHealthSystray.exe

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Adding and Deleting users at Windows

The net user command allows you to add, modify, or delete user accounts, and display detailed information about user accounts on a local computer or domain. Lets study some simple functions here.

1. Lets display all possible commands using net user

C:\Users\UnlockForUs>net user /?

The syntax of this command is:

NET USER

[username [password | *] [options]] [/DOMAIN]

username {password | *} /ADD [options] [/DOMAIN]

username [/DELETE] [/DOMAIN]

username [/TIMES:{times | ALL}]

username [/ACTIVE: {YES | NO}]

How To Add User:

1. Net user LawrenceAlbert ok

2. Net user Lawrence Albert /active: yes

How to delete User:

Net use Lawrence /delete

<UserName> Specifies the name of the user account to add, delete, modify, or view. The name of the user account can have as many as 20 characters.

<Password> Assigns or changes a password for the user's account. Type an asterisk (*) to produce a prompt for the password. The password isn't displayed when the user types it at the password prompt.

Source: Microsoft Learn

BE CAREFUL AND SLOWLY

Windows Dictionary #1

Windows does not include a built-in, standalone full dictionary application out-of-the-box.. However, Windows does feature a built-in spell-check and typing custom dictionary, as well as comprehensive options through the Microsoft Store and third-party software. Heres some important Terms and meanings regarding Microsoft Windows.

Reliability Monitor : With this single tool you can view your PC problems history.

Resource Monitor : Analyze your system performance

Performance Monitor : Use it to find resource eating culprit processes

netplwiz : Opens the Advanced User Accounts window.

lusrmgr.msc : Opens the Local Users and Groups Manager.

gpedit.msc : Group Policy Editor.

mrt : This tool helps you in cleaning some of the most popular malicious software from your Windows computer.

ncpa.cpl : To access all your Network Adapters, you can use this Run command.

powercfg.cpl : Power Options.

appwiz.cpl : Access the Programs and Features window to uninstall your installed programs.

devmgmt.msc : Windows Device Manager to manage all your hardware devices.

sysdm.cpl : Access the System Properties window.

firewall.cpl : Manage or configure your Windows firewall.

wuapp : Check, manage and configure all your Windows update settings.

Access your Network Adapter for Network Troubleshooting

Network adapter (also called a network interface controller or NIC) is a hardware component that connects a computer or device to a computer network, allowing it to communicate, share resources, and access the internet. Heres ho to access the Program Window.

Press Win+R > Type "ncpa.cpl"

ENJOY

References:

google

Microsoft

CB ZERO: AUTOMATIC TRANSFER SWITCH (ATS)

heres a way to create Primary LINE and Backup Line. Its Easy. You can put BI and Logger using VB.Net

Thats it!!!

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CB ZERO: DAY TIME CHARGING NIGHT TIME USAGE

Heres an schematic with many usages for techniques at circuits.

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CB ONE: USING TABLET FOR I/O

You have this Touch Panel.. How will you design that it will work with Control and Monitoring, e.g. House Control System, I/O Car???

CB One: LEDs

CB One: LEDs 2

CB One: Auto Data Stable Code 1.1

CB One: Parallel Port DLL Interface or Connection

ENJOY!!!

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Naga University (UN ONLINE)

Several months ago I won the contest, now on compliance.

UN ONLINE

http://nagauniversity.net

FREE login

User: admin

PWD: indakos

CB Zero: No Power Alarm

Years back, |I was contracted to do Electronics...

Version 1

Version 2

due to sensitive case, we cant show here

Version 3

due to sensitive case, we cant show here

Version 4

References: https://www.electronics-project-design.com/PowerFailureAlarm.html

CB Zero: Basic Reset Technology

Heres a standard design of RESET. Load are collector mode configuration.

AMAZING.

Installation of Windows OS from USB Flash Drive

from version Vista to Windows Server, Its NOT Rufus, WinUSB or other softwares. Just Follow the Procedure, If permitted, Its just Copy and Paste Technology.

How to Create a USB Flash Drive Windows Installer

1. Format the USB Stick as NTFS: Open Windows Explorer and Right-Click the Drive > Choose the Format Option

2. In the File System Combo box, Choose NTFS and Click the Start Button to begin.

3. Afterwards, Open the Command Prompt as Administrator: In Start Search type, cmd > Press CTRL + Shift + Enter

or you will get... "Access is denied" Message after launching diskpart

command.

4. Setting the USB Partition Active (Diskpart.exe)

a. In the Command prompt, type: Diskpart and press Enter

b. Please wait for a while and type: list volume and press Enter

- The command will let you see all the drives and partitions

c. Find which volume for your Removable USB Drive, in my case 6, Therefore Type: select volume 6 and press Enter again

d. type: active and press enter

DiskPart marked the current partition as active.

To learn more about the commands, press ? and Enter Key.

Now you already finished setting the volume active so, type the command Exit and press Enter Again.

5. Create a Boot Sector (bootsect.exe)

What is Bootsect? In the Command Prompt, enter the following command to learn about the tool: bootsect /?

SYNTAX:

bootsect {/help|/nt60|/nt52} {SYS|ALL|<DriveLetter>:} [/force]

Boot sector restoration tool

Bootsect.exe updates the master boot code for hard disk partitions in order to switch between BOOTMGR and NTLDR. You can use this tool to restore the boot sector on your computer.

Run "bootsect /help" for detailed usage instructions.

It is located at your Windows installer directory called \boot

Let's go back to the guide...First, Find where's your DVD Drive is located (Windows Installer) and go to the boot directory, which in my case Drive F:

Next, type: bootsect(space)/nt60(space)Flash Drive Letter

C:\Windows\System32>f:

F:\>cd boot

F:\BOOT>bootsect /nt60 g:
Target volumes will be updated with BOOTMGR compatible bootcode.

G: (Error! Hyperlink reference not valid.)

Successfully updated NTFS filesystem bootcode.

Bootcode was successfully updated on all targeted volumes.

F:\BOOT>

6. You have now successfully created a Boot Sector for the Windows Installer... Finally, Open Windows Explorer > Go to the the Windows Installer DVD Drive and Copy these Files and folders into the USB Stick:

AMAZING!

CB Zero: GP Latch

Heres Another Start-Stop Circuit Latch.

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CB Zero: Car Latch

Once upon a time, we were young we have this Short Circuit Protection, it is a latch technology and PB.

ON-OFF PB

Short circuit Protection for DC Output, just ON to RESTORE.

ENJOY!!!

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CB Zero: SWITCH LOGIC POWER SUPPLY DESIGN

If the book says 1, you need to input one. Switch Logic idea? Really? Goodbye Circuitry (sir-kit-tree)...

Circuit Diagram

Formulas

Vb = Vin (R2/(R1+R2))

Vo = Vb-0.7

ENJOY

Easy way to Add Important Icons to Desktop at Windows

You can't find the Computer Icon, Network and Control Panel Icon? Heres an easy way.

Procedure

1. Press Win+R

2.Type Rundll32.exe shell32.dll,Control_RunDLL desk.cpl,,0

Thats it!

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