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Full Discussion: Arduino Robot Tank Project
Special Forums Hardware Arduino Robot Tank Project Post 303043242 by Neo on Wednesday 22nd of January 2020 05:04:57 AM
Some FYI on this project.

I'm currently waiting on KeyeStudio, the supplier of this RobotTank kit, to come off their Chinese New Years holiday and provide us with the basic "demo" Arduino sketches for this, instead of the Mixly graphical "code" they provide.

There are a few reasons for this. First, I'm personally not into graphical programming (like Mixly, which seem like a child's programming toy to me) and strongly prefer the C++ like Arduino IDE coding. Second, when I downloaded the mixly archive file provided by KeyeStudio, my Avast anti-virus scanner complains the archive contains some malware; and I'm just too busy to debug and "de-virus" the KeyeStudio Mixly archive.

KeyeStudio has kindly informed me they would get me the actual Arduino demo sketches for this robot kit after the Chinese New Years holiday is past, sometimes in February. I was going to make a video on the "virus alert" when unarchiving the mixly archive from KeyeStudio, but I've just been busy and making a "look at this virus alert" video for a supplier has not been a priority here. KeyeStudio was not satisfied with my photos of the virus alert(s) and requested a video!


I imagine, however, I'll start coding this robot long before I get the demo Ardunio sketches from KeyeStudio, but let's see what happens. My plan is to go beyond the kit and add some other sensors plus some other command and control boards. Let's see how long this kit can hold our attention. We have been playing with the kit little by little, not in a hurry, since we are waiting on supplier to get us the Arduino demo sketches before diving too far into this.

More later as we progress......

Note: The spelling is correct. It is KeyeStudio, not KeyStudio.
 
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WWW::RobotRules(3pm)					User Contributed Perl Documentation				      WWW::RobotRules(3pm)

NAME
WWW::RobotRules - database of robots.txt-derived permissions SYNOPSIS
use WWW::RobotRules; my $rules = WWW::RobotRules->new('MOMspider/1.0'); use LWP::Simple qw(get); { my $url = "http://some.place/robots.txt"; my $robots_txt = get $url; $rules->parse($url, $robots_txt) if defined $robots_txt; } { my $url = "http://some.other.place/robots.txt"; my $robots_txt = get $url; $rules->parse($url, $robots_txt) if defined $robots_txt; } # Now we can check if a URL is valid for those servers # whose "robots.txt" files we've gotten and parsed: if($rules->allowed($url)) { $c = get $url; ... } DESCRIPTION
This module parses /robots.txt files as specified in "A Standard for Robot Exclusion", at <http://www.robotstxt.org/wc/norobots.html> Webmasters can use the /robots.txt file to forbid conforming robots from accessing parts of their web site. The parsed files are kept in a WWW::RobotRules object, and this object provides methods to check if access to a given URL is prohibited. The same WWW::RobotRules object can be used for one or more parsed /robots.txt files on any number of hosts. The following methods are provided: $rules = WWW::RobotRules->new($robot_name) This is the constructor for WWW::RobotRules objects. The first argument given to new() is the name of the robot. $rules->parse($robot_txt_url, $content, $fresh_until) The parse() method takes as arguments the URL that was used to retrieve the /robots.txt file, and the contents of the file. $rules->allowed($uri) Returns TRUE if this robot is allowed to retrieve this URL. $rules->agent([$name]) Get/set the agent name. NOTE: Changing the agent name will clear the robots.txt rules and expire times out of the cache. ROBOTS.TXT The format and semantics of the "/robots.txt" file are as follows (this is an edited abstract of <http://www.robotstxt.org/wc/norobots.html>): The file consists of one or more records separated by one or more blank lines. Each record contains lines of the form <field-name>: <value> The field name is case insensitive. Text after the '#' character on a line is ignored during parsing. This is used for comments. The following <field-names> can be used: User-Agent The value of this field is the name of the robot the record is describing access policy for. If more than one User-Agent field is present the record describes an identical access policy for more than one robot. At least one field needs to be present per record. If the value is '*', the record describes the default access policy for any robot that has not not matched any of the other records. The User-Agent fields must occur before the Disallow fields. If a record contains a User-Agent field after a Disallow field, that constitutes a malformed record. This parser will assume that a blank line should have been placed before that User-Agent field, and will break the record into two. All the fields before the User-Agent field will constitute a record, and the User-Agent field will be the first field in a new record. Disallow The value of this field specifies a partial URL that is not to be visited. This can be a full path, or a partial path; any URL that starts with this value will not be retrieved Unrecognized records are ignored. ROBOTS.TXT EXAMPLES The following example "/robots.txt" file specifies that no robots should visit any URL starting with "/cyberworld/map/" or "/tmp/": User-agent: * Disallow: /cyberworld/map/ # This is an infinite virtual URL space Disallow: /tmp/ # these will soon disappear This example "/robots.txt" file specifies that no robots should visit any URL starting with "/cyberworld/map/", except the robot called "cybermapper": User-agent: * Disallow: /cyberworld/map/ # This is an infinite virtual URL space # Cybermapper knows where to go. User-agent: cybermapper Disallow: This example indicates that no robots should visit this site further: # go away User-agent: * Disallow: / This is an example of a malformed robots.txt file. # robots.txt for ancientcastle.example.com # I've locked myself away. User-agent: * Disallow: / # The castle is your home now, so you can go anywhere you like. User-agent: Belle Disallow: /west-wing/ # except the west wing! # It's good to be the Prince... User-agent: Beast Disallow: This file is missing the required blank lines between records. However, the intention is clear. SEE ALSO
LWP::RobotUA, WWW::RobotRules::AnyDBM_File COPYRIGHT
Copyright 1995-2009, Gisle Aas Copyright 1995, Martijn Koster This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2011-03-13 WWW::RobotRules(3pm)

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