Mahabub Hasan

Bootstrap Carousel 2x Post Widget is advanced version of the WordPress Recent Responsive Posts widget allowing increased customization to display recent posts from category,Order by,time limit you define. 
Output will depend on your settings, and you may define to set post title,post date, featured image ,post excerpt and read more. 
If you set to display title, than you will be able to define how many characters to print. 
If you set to display excerpt, than you will be able to define how many characters to print and also you may add custom read more text.
<ul>
<li>You can create custom titles</li>
<li>You can of/on slider header.</li>
<li>You can create titles url</li>
<li>You can create titles & content limit</li>
<li>You can set how many posts you wish to display </li>
<li>You can select any category </li>
<li>You can choose from predefined image sizes, or set custom width and height</li>
<li>You can choose to define the featured image</li>
<li>You can run as many instances of the widget that you want to!</li>
<li>You can order your posts randomly </li>
<li>You can order your posts time</li>
</ul>
Easy to configure CSS 
Credits
Author URI: http://bdwebteam.com 
Support Email: m.manik01@gmail.com
Recommended WordPress Plugins
<ul>
<li><a href="https://wordpress.org/plugins/service-boxes-widgets-text-icon/" rel="ugc">Service Boxes Widgets Text Icon</a></li>
<li><a href="https://wordpress.org/plugins/responsive-posts-widget/" rel="ugc">Responsive Posts Widget</a> </li>
<li><a href="https://wordpress.org/plugins/bdwebteam-recent-post-tabs-widget/" rel="ugc">bdwebteam recent post tabs widget</a></li>
</ul>

Bootstrap Carousel 2x Post Widget

Adds a widget that shows Post with Bootstrap Carousel/Slider, excerpt, featured image, date by sorting & ordering feature;

Hakik Zaman

This is a lightweight plugin to display carousel in any screen.
Just install the plugin and you will get options of this plugin in Settings > General > Bootstrap 4 Component Settings Section
If you are running a theme which is built with Bootstrap4 then you don’t need to change the settings. But if your theme is not 
built with Bootstrap4 and you want to use Bootstrap4 Carousel you have to change it to “Yes”.
<h3>Usage</h3>
<ol>
<li>First Upload the images, which you want to show as slides</li>
<li>Each image has unique id copy that id and set it in <code>[bs4slide id="IMAGE_UNIQUE_ID"]</code></li>
</ol>
Basic Slider [No dots, No arrows, No Caption]
<pre><code>[bs4slider id="test_slider"]
[bs4slide id="26" active="active" alt="first" /]
[bs4slide id="26" alt="second" /]
[bs4slide id="26" alt="third" /]
[/bs4slider]
</code></pre>
Slider With Arrow [No dots, No Caption]
<pre><code>[bs4slider id="test_slider" arrow="yes"]
[bs4slide id="26" active="active" alt="first" /]
[bs4slide id="26" alt="second" /]
[bs4slide id="26" alt="third" /]
[/bs4slider]
</code></pre>
Slider With Arrow and Dots [No Caption]
<pre><code>[bs4slider id="test_slider" arrow="yes" dot="2"] // If 3 images then dot 2 it counts from 0
[bs4slide id="26" active="active" alt="first" /]
[bs4slide id="26" alt="second" /]
[bs4slide id="26" alt="third" /]
[/bs4slider]
</code></pre>
Slider With Arrow, Dots and Caption
<pre><code>[bs4slider id="test_slider" arrow="yes" dot="2"]
[bs4slide id="26" active="active" alt="first" cap_title="First slide label" cap_subtitle="Nulla vitae elit libero, a pharetra augue mollis interdum." /]
[bs4slide id="26" alt="second" cap_title="First slide label" cap_subtitle="Nulla vitae elit libero, a pharetra augue mollis interdum." /]
[/bs4slider]
</code></pre>
Usage in PHP Code
<pre><code><?php echo do_shortcode('
[bs4slider id="test_slider"]
[bs4slide id="26" active="active" alt="first" /]
[bs4slide id="26" alt="second" /]
[bs4slide id="26" alt="third" /]
[/bs4slider]
'); ?>
</code></pre>
N.B. Don’t press enter after each slides[bs4slide] otherwise the shortcode will be broken.
<h3>More Attributes</h3>
[bs4slider]
<ol>
<li>[bs4slider class=”YOUR_OWN_CLASS”] if you want</li>
<li>[bs4slider id=”YOUR_OWN_ID”] for making unique each slider</li>
<li>[bs4slider arrow=”yes/no”] by default it is “no”</li>
<li>[bs4slider left_icon=”fas fa-angle-left”] If you are using Fontawesom</li>
<li>[bs4slider right_icon=”fas fa-angle-right”] If you are using Fontawesom</li>
<li>[bs4slider dot=”3″] by default it is null. If you have 4 slide it will be “3”</li>
</ol>
[bs4slide]
<ol>
<li>[bs4slide class=”YOUR_OWN_CLASS”] by default it is “d-block w-100”</li>
<li>[bs4slide id=”YOUR_UPLOADED_IMG_ID”]</li>
<li>[bs4slide size=”YOUR_DESIRED_IMG_SIZE”] by default it is “large”</li>
<li>[bs4slide alt=”YOUR_IMG_ALT”] by default it is null</li>
<li>[bs4slide active=”active”] from this image you want to start the slider</li>
<li>[bs4slide cap_class=”YOUR_OWN_CLASS”] It will help your for responsive control. By default “d-none d-md-block”</li>
<li>[bs4slide cap_title=”YOUR_TITLE_TO_DISPLAY”] By default it is null. If you have no need to display caption no need to use it.</li>
<li>[bs4slide cap_subtitle=”YOUR_SUB_TITLE_TO_DISPLAY”] By default it is null. If you have no need to display caption subtitle no need to use it.</li>
</ol>

BS4WP Component

This is a plugin to display your favorite Bootstrap4 Slider. When activated you can add slider in any place using shortcode.

Bootstrap Carousel 2x Post Widget vs BS4WP Component