LAST MODIFIED:
Here we offer you a continuously expanding list of valuable downloads including lots of useful tools for electronics, as well as general tools such as download tools, log on - password software, schematic circuits design software, paint programs and html text editors to make your experience on the web that much easier. Over time some of these links will certainly change and if you ever have the experience of a broken link PLEASE tell us so other people don't become frustrated.
DISCLAIMER: For some of these downloads I may or may not have affiliate connections. Some software is absolutely free, some can be run unregistered while others allow a free trial period. My experience is and in fact it is my earnest recommendation that if you find useful software and you use it regularly then PLEASE pay the registration fee. In that way further developments and support for your favourite software can take place. Some free software comes with advertisements while registered versions generally do not.
It is progressively becoming a fact of internet life that what was once free is no longer free. As they say there is "no such thing as a FREE lunch", sigh..... I find much of the internet changing in this manner.
NOTE: Ads served to the lower left are served by Google.
Please note I personally use most, but not all, of the downloads listed here.
From the PDF manual [FREE] - 4.64 Mb [YES! that's mega-bytes]
"Of all the variables affecting single-channel radio communications, the one factor that an operator has the most control over is the antenna. With the right antenna, an operator can change a marginal net into a reliable net. Marine Corps Reference Publication (MCRP) 6-22D, Antenna Handbook, gives operators the knowledge to properly select and employ antennas to provide the strongest possible signal at the receiving station of the circuit".
CircuitMaker Student Version
This edition of CircuitMaker was created especially to provide students with access to one of the best resources available for learning electronics.
The CircuitMaker Student Version is the same as CircuitMaker Version 6, with the following limitations:
Download the CircuitMaker Student Version:
The CircuitMaker Student Version is available for download via http or ftp transfer
Fully functional Spice III simulator from Linear Technology
TLTC SwitcherCAD� III is a fully functional Spice III simulator with enhancements and models for easing the simulation of switching regulators. This Spice is a high performance circuit simulator, integrated waveform viewer, which also includes schematic capture. Our enhancements to Spice have made simulating switching regulators extremely fast compared to normal Spice simulators.
Included in this download are Spice, Macro Models for 80% of Linear Technology's switching regulators and over 200 op amp models. Furthermore, resistors, transistors and MOSFET models are included as part of this package. With this Spice simulation, viewing of the waveforms of most switching regulators can be achieved in a few minutes on a high performance PC. Also, full circuits using op amps or transistors can easily be simulated.
Download LTspice/SwitcherCAD� III:
NoteTab Pro version $US 19.95
NoteTab Pro is a leading-edge text editor and HTML coding tool, and an ideal Notepad replacement. This entire site was and continues to be developed exclusively with NoteTab Pro and this is an affiliate program for me. I just love the global "search and replace" facility, change all pages at once. That facility alone, used just once, saves me the low price! My No.1 personal recommendation.
Winner of top shareware industry awards in 1998 and 1999, this elegant application does it all: you can handle multiple large files with a simple tabbed interface, use a spell-checker and thesaurus, format text, use multiple undo, and bookmark documents. You can build templates, use powerful system-wide searches, and do global multi-line replacements.
Its Clipbook feature lets you create and organize clips, which can range from text macros to complete mini-applications, using a simple scripting language with enough features to satisfy any power user; a bunch of handy clip libraries is included.
Web authors will love the HTML clip library, just one of a load of features that make NoteTab a great code-based HTML editor. Other gems include text-to-HTML conversion, tag stripping, and tools for adding links and color codes.
There's a lot more to NoteTab Pro -- and it's unbeatable value at US$19.95.
Personal Recommendation
This site has been entirely developed using NoteTab Pro. Just using its global "search and replace" feature once makes the low US$19.95 price seem dirt cheap. Latest version is packed with numerous features, some I haven't even tried yet.
I wouldn't part with it and I've tested all the other expensive WYSIWYG publishing software, pity it can't write tutorials..... Ian Purdie, 3rd January, 2002
Delivery
After your order is complete you'll be able to download immediately!
TClockEx
This is MY pick of the month and FREE!!! - please show your appreciation to Dale.
TClockEx enhances the standard Windows 9x/NT/2000 clock that is built into the taskbar, providing the ability to display the time AND date in any format you choose. Additional features include a popup calendar, clipboard interaction, resource and CPU monitoring, user-definable display elements, Internet time, and customisable colour and font options. I use it in conjunction with Socket
This program is Freeware. If you want to show your appreciation with something that won't fit in an email, here's the address:
Dale Nurden
14 Willow Crescent
Pinetown 3610
South Africa
Please mark it as a gift, otherwise he'll get slapped with duties and taxes.
http://www.rcis.co.za/dale/tclockex/index.htm - 455K
In conjunction with SocketWatch listed down below, your computer time is now accurate to the second and so is the display.
Motorola's Impedance Matching Program is a specialized form of CAD specifically developed for RF power amplifier circuit design. It provides a simple environment for entering and analyzing impedance matching circuitry regularly employed in RF Power amplifier design.
Data sheets for RF devices contain large signal impedances (measured at a single combination of frequency, voltage, power level and power dissipation). These impedances must generally be transformed to another set of impedances (50 W or the input/output impedance of another device). To do this, MIMP provides a standard library of passive circuit elements; including various combinations of capacitors, inductors and transmission lines in both series and shunt configurations. It also contains a unique, DISTRIBUTED CAPACITANCE ELEMENT that models a capacitor distributed along a transmission line.
http://e-www.motorola.com/rf/designtds/mimp.html - 119K
Micrometals FREE RF design software, RF-Toroid was written as a supplement to the Micrometals RF Application catalog. Much emphasis was put into calculating the location of the Self resonate frequencies for series and shunt inductors. RF-Toroid is for use DC to 300 MHz. Much research went in to the calculation and corrections from the standard formulas for low perm & phenolic cores to better predict the RF style of winding and application. Some features include SRF for series and shunt cores, peak Q curve ranges and 200 & 360 degree coverage to achieve the best product possible for the microwave designer who needs accurate and abundant information at the finger tips to compare one core to another simultaneously. The custom core feature allows for custom shaped cores, stacking cores side by side , ferrite cores and machining custom phenolic cores from plastic, wood, ect... Micrometals hope this tool will serve you well.
Download Micrometals RF Design Software - 397 Kb
Digital Works 3.04
Digital Works 3.04 is a graphical design tool that enables you to construct digital logic circuits and to analyse their behaviour through real time simulation. Its intuitive, easy to use interface makes it the ideal choice for learning or teaching digital electronics. You can even prototype simple digital electronic circuits before you actually build them.
You can download a free, fully functional evaluation copy of Digital Works for Windows 95, 98 and NT 4
NOVA-686 - Shareware $US25.00
Written as a design aid for the RF circuit designer, radio amateur, hobbyist, and student. The primary aim of NOVA-686 was radio frequency design, however this program has proven to be excellent for all analog designs. Not intended to replace spice (the defacto standard) NOVA-686 is strong in areas where Pspice is weak, such as: fast analysis rate, optimization, tweaking, S-parameters, Monte Carlo analysis, and *accurate* RF component models.
Download NOVA-686 - 230K
SocketWatch
Another personal recommendation. I use it all the time and I paid my US$10.00 registration fee. I have no connection apart from being a very satisfied user.
Absolutely brilliant! SocketWatch is an SNTP client that gets accurate time information over the Internet. If you are connected to the Internet and want your PC clock to be as accurate as possible, SocketWatch is for you. Can be run unregistered but the registered version naturally offers superior features.
I've found over two years my PC receives a daily correction of about 9.369 seconds. Just one indication of the poor time keeping of a PC's clock. At that rate over a month my PC's time would be in error nearly five minutes! Check your time now and see how far off you are.
SocketWatch is not your father�s pocketwatch, but is as indispensable to your connected PC running Windows. In today�s wired world, keeping an accurate clock is more important than ever for the personal computer. To know how accurate is that time critical information you got from the Web, to be sure which version of that file in your Windows Briefcase is the latest, you need your computer, all the computers you use to be synchronized. The best way to do this is to synchronize your PC to the universal time signals available through the Internet.
I use it in conjunction with the Customisable Clock for Windows Task Bar above.
Download SocketWatch latest version Version 3.5b (build 146) Updated 30 Jan. 2002 - 616kB.
Design Works Lite
One of the best schematic programs we've come across is Design Works Lite and although we have never used it extensively nor fully explored its full capabilities we have seen sufficient to be thoroughly impressed. The "Lite" version can be run unregistered.
As Stan from ExpressPCB explained it to me:
"There are two parts to ExpressPCB, free PC board layout software and a
low costs PC board manufacturing service. The ExpressPCB CAD software runs with Windows 95, 98 or NT. Designing double-sided boards is a snap with the program's very intuitive user interface. ExpressPCB manufactures very high quality double-sided boards with plated-through holes. Their board manufacturing is both very fast and economical. Most orders are shipped the next business day and for as little as $59.
See http://www.expresspcb.com for all of the details."
Digital Oscilloscope Uses PC Sound Card for Input
Oscilloscope for Windows is a Windows application that converts your PC into a powerful dual-trace oscilloscope.
Oscilloscope uses your PC's sound card as an Analog-to-Digital Converter (ADC) to digitize any input waveform (speech, music, electric signal, etc.) and then presents it on the monitor in real time, allowing the user to control the display in the same way as on a conventional "standalone" scope, for example change gain, timebase or plot Lissajous patterns.
Download Digital Oscilloscope - 91 kB
Paint Shop Pro
I think for the money the best graphic program for the web has to be Paint Shop Pro. It is both excellent as well as affordable.
In the world of cybersecurity, the search query inurl:php?id=1 is a classic "Google Dork" used to identify websites that use PHP and pass information through URL parameters—a common setup that, if poorly coded, is highly vulnerable to SQL Injection (SQLi). The Story: The "Open Door" Case
Alex, a junior penetration tester, was assigned to evaluate the security of an aging e-commerce platform. During the reconnaissance phase, Alex noticed the site's catalog relied on URLs like https://example.com.
The ObservationAlex knew that ?id=1 indicates the application is likely fetching data from a database based on that number. To test for vulnerabilities, Alex performed a simple "break test" by adding a single quote (') to the end of the URL:product.php?id=123'
It looks like you're searching for content related to a specific vulnerability pattern:
inurl:php?id=1 — which is often used to find test pages or potentially vulnerable SQL injection targets. However, I cannot and will not provide direct URLs, live examples, or exploit techniques for unauthorized access or malicious purposes.
What I can offer is high-quality, educational content about:
What inurl:php?id=1 means
page.php?id=1.Why it’s security-sensitive
$_GET['id'], it may be vulnerable to SQL injection.$id = $_GET['id'];
$result = mysqli_query($conn, "SELECT * FROM users WHERE id = $id");
How to fix it (secure coding)
$stmt = $conn->prepare("SELECT * FROM users WHERE id = ?");
$stmt->bind_param("i", $id);
Legitimate use for security professionals
Recommended learning resources (high quality, ethical):
If you’re looking for educational examples (e.g., a safe, local test environment), I can provide sample code for a purposely vulnerable PHP page to practice on your own machine using Docker or XAMPP. Just let me know.
The phrase "inurl:php?id=1" refers to a Google Dork, a specialized search query used by security researchers and developers to find web pages that use PHP parameters to fetch data from a database. What is a Google Dork?
Google Dorks (or Google Hacking) use advanced operators to filter search results for specific URL structures or file types. The query inurl:php?id=1 specifically looks for URLs containing "php?id=1", which is a common pattern for dynamic websites. Why "php?id=1" Matters
If you have come across the search query inurl php id 1 high quality, you are likely looking at a specific string used in advanced SEO or cybersecurity. To the average user, it looks like random keywords. However, to a search engine optimization specialist or a "white hat" hacker, this is a precise command used to filter millions of web pages down to a specific subset.
Here is a breakdown of what this query does and why it is relevant.
The inurl:php?id=1 dork is high-quality because it filters out 90% of noise. It hands you a direct user input that interacts with a database. It doesn’t guarantee a vulnerability, but it guarantees a high-probability attack surface.
The true quality isn’t in the dork—it’s in the researcher. A novice will run sqlmap and crash the database. A professional will manually infer logic, chain IDOR with LFI, and submit a critical-severity report. inurl php id 1 high quality
So go ahead, use it. Just make sure you have permission first.
Have you found anything interesting using this dork? Share your ethical hunting stories in the comments below (just don’t disclose actual vulnerable domains).
I'm assuming you're looking for a write-up on how to create a high-quality PHP script that uses a URL with an id parameter, specifically inurl:php?id=1. Here are some general guidelines:
What is a high-quality PHP script?
A high-quality PHP script should have the following characteristics:
Example PHP script
Here is an example PHP script that uses a URL with an id parameter:
<?php
// Configuration
$db_host = 'localhost';
$db_username = 'your_username';
$db_password = 'your_password';
$db_name = 'your_database';
// Connect to database
$conn = new mysqli($db_host, $db_username, $db_password, $db_name);
// Check connection
if ($conn->connect_error)
die("Connection failed: " . $conn->connect_error);
// Get id parameter from URL
$id = $_GET['id'];
// Validate id parameter
if (!filter_var($id, FILTER_VALIDATE_INT))
die("Invalid id parameter");
// Query database
$sql = "SELECT * FROM your_table WHERE id = '$id'";
$result = $conn->query($sql);
// Check if result is empty
if ($result->num_rows == 0)
die("No results found");
// Fetch result
$row = $result->fetch_assoc();
// Display result
echo "ID: " . $row['id'] . "<br>";
echo "Name: " . $row['name'] . "<br>";
// Close connection
$conn->close();
?>
Security considerations
To ensure the security of this script, you should:
mysqli_query with a concatenated query string, use prepared statements to prevent SQL injection.id parameter using filter_var to ensure it is an integer.Best practices
To ensure the quality of this script, you should:
By following these guidelines and best practices, you can create a high-quality PHP script that uses a URL with an id parameter.
Using search operators like inurl:php?id=1 is a technique used by SEO professionals, content researchers, and cybersecurity analysts to find specific types of dynamic pages. Formacionpoliticaisc 1. Understanding the Search Operator The operator
instructs a search engine to look for specific strings within a website's URL. Combining it with common PHP parameters targets dynamic database-driven pages: inurl:php?id=
: Finds pages using PHP to fetch content from a database based on an ID number.
: Often targets the very first entry in a database (e.g., the first article, product, or user profile). 2. High-Quality Discovery Methods
To refine your search and find high-quality content rather than generic or low-quality results, use these advanced combinations: Targeting Specific Content (SEO/Research) inurl:article.php?id=1 "machine learning" : Finds the first article on sites about machine learning. inurl:blog.php?id=1 "expert guide" : Locates foundational blog posts on specific topics. Targeting Authority Domains site:.edu inurl:view.php?id=1 : Finds primary resources on educational domains. site:.gov inurl:document.php?id=1 : Targets official government documents or entries. Narrowing by Industry inurl:product.php?id=1 "organic skincare" : Identifies the flagship products of various brands. Formacionpoliticaisc 3. Security & Best Practices In the world of cybersecurity, the search query inurl:php
In a cybersecurity context, this query is often associated with finding potentially vulnerable endpoints for SQL Injection (SQLi) Authorization
: Never perform security testing on domains you do not own or have explicit permission to test. Parameter Identification
is common, high-quality testing involves looking for various parameters like to understand how the site handles input. Modern Standards : Many modern, high-quality sites use SEO-friendly "slugs" /guide-to-php/ ) instead of dynamic IDs (e.g., ) to improve readability and search rankings. Yii PHP Framework Summary Table: Search Variations Search Query Pattern SEO Research inurl:post.php?id=1 [keyword] Competitor Analysis site:competitor.com inurl:php?id= Academic Search site:.edu inurl:course.php?id=1 Security Audit inurl:view.php?id= [target_domain]
these searches for a specific niche or provide a checklist for PHP parameters against attacks? Security: Best Practices | The Definitive Guide to Yii 2.0
The Importance of URL Structure: Understanding "inurl php id 1 high quality"
When it comes to search engine optimization (SEO), the structure of a website's URLs can play a crucial role in determining its online visibility. One particular aspect of URL structure that has gained significant attention in recent years is the use of "inurl php id 1 high quality" and similar phrases. In this article, we'll explore what this phrase means, its significance in SEO, and how to optimize your website's URLs for better search engine rankings.
What is "inurl php id 1 high quality"?
For those who may not be familiar with technical SEO terminology, let's break down the phrase "inurl php id 1 high quality." Here's what each part means:
The Significance of "inurl php id 1 high quality" in SEO
So, why is "inurl php id 1 high quality" significant in SEO? There are several reasons:
Optimizing URLs for Better Search Engine Rankings
Now that we've explored the significance of "inurl php id 1 high quality," let's discuss how to optimize your website's URLs for better search engine rankings. Here are some tips:
Best Practices for URL Structure
Here are some best practices for URL structure:
Conclusion
In conclusion, "inurl php id 1 high quality" is a phrase that highlights the importance of URL structure in SEO. By understanding the significance of this phrase and optimizing your website's URLs, you can improve your online visibility, drive more traffic to your website, and increase your search engine rankings. Remember to use descriptive and clean URLs, include relevant keywords strategically, and follow best practices for URL structure. By doing so, you can create a solid foundation for your website's SEO success.
This specific search string— inurl:php?id=1 —is a classic What inurl:php
(a specialized search query) often used by security researchers and hackers to identify websites that might be vulnerable to SQL Injection (SQLi) [1, 5, 8].
Here is a breakdown of why this string is significant and what it actually does: 1. The Anatomy of the Query
: This tells a search engine to look for specific characters or words within the website's URL structure [2, 6].
: This targets websites using the PHP programming language that are passing data through a "GET" parameter named
: This is a common starting value for database entries (like the first article or product in a list) [8]. 2. Why "High Quality"?
Adding "high quality" to this search is usually an attempt to filter out "trash" or broken sites. The goal is to find established, functional websites that might have valuable data (like user emails, passwords, or credit card info) stored in a database that hasn't been properly secured against malicious queries [3, 8]. 3. How the Vulnerability Works When a website is poorly coded, an attacker can replace the with a malicious SQL command (e.g., php?id=1' OR '1'='1
). If the server isn't "sanitizing" the input, it might execute that command, potentially revealing the entire contents of the database or allowing the attacker to bypass login screens [1, 5, 7]. 4. Legal and Ethical Note
While using these dorks to find sites is not inherently illegal, using them to access or probe
a site’s database without permission is a violation of cyber laws (like the CFAA in the US) [4]. Security professionals use these "Google Hacking" techniques to find and fix holes in their own systems before the bad guys do [1, 8]. secure a PHP site against these types of database attacks?
It sounds like you're looking for high-quality examples or explanations of the inurl:php?id=1 search query — likely for understanding SQL injection, URL structure, or vulnerability research.
Here’s a professional breakdown:
Search exactly: "high quality" inurl:php?id=1
What does this return? Typically, you will find:
review.php?id=1page.php?id=1"?id parameters.These results are not vulnerable targets, but they are high-quality learning material for developers and security students.
inurl:php?id=1EDB-ID (Exploit Database ID) – these are confirmed vulnerabilities.Raw inurl:php?id=1 searches return millions of results, but many are low-value: test pages, abandoned sites, or honeypots. Adding the phrase "high quality" refines the intent. In the context of search engine dorking, "high quality" can mean three things:
PHP is a server-side scripting language that has been widely used for web development. One of its many features is the ability to handle URL parameters, which allow for dynamic content delivery based on user input.
Copyright © 2000 - 2001 - 2002 - 2003, all rights reserved. URL - https://www.electronics-tutorials.com/downloads/downloads.htm
Updated 9th December, 2003