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    <title>DEV Community: Liam Desrosiers</title>
    <description>The latest articles on DEV Community by Liam Desrosiers (@liam_desrosiers_938b2fc61).</description>
    <link>https://dev.to/liam_desrosiers_938b2fc61</link>
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      <title>DEV Community: Liam Desrosiers</title>
      <link>https://dev.to/liam_desrosiers_938b2fc61</link>
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    <item>
      <title>Build and Sell Your Own AI Chatbot as a Personal Assistant on Itch.io</title>
      <dc:creator>Liam Desrosiers</dc:creator>
      <pubDate>Tue, 15 Jul 2025 19:38:27 +0000</pubDate>
      <link>https://dev.to/liam_desrosiers_938b2fc61/build-and-sell-your-own-ai-chatbot-as-a-personal-assistant-on-itchio-30pj</link>
      <guid>https://dev.to/liam_desrosiers_938b2fc61/build-and-sell-your-own-ai-chatbot-as-a-personal-assistant-on-itchio-30pj</guid>
      <description>&lt;p&gt;Hey everyone 👋&lt;/p&gt;

&lt;p&gt;I'm working on a simple but fun AI Chatbot project -and I've just released it in Butch.io as a downloadable AI assistant. Thought I share it here for any person interested in AI, Connivance Bots or individual digital peers!&lt;/p&gt;

&lt;p&gt;📌 What is this?&lt;br&gt;
This is an easy, interactive AI chatbot that you want to talk to you. You can ask this question, chat about random accessories or just keep you the company. It moves like a local app (no cloud hotel), and when you first buy it 1000 (credits/dollars - what you choose to set), it's totally to use it completely without any membership or extra cost for you.&lt;/p&gt;

&lt;p&gt;✨ Features:&lt;br&gt;
✅ Custom AI chat boat responding to your messages.&lt;/p&gt;

&lt;p&gt;✅ Text -based interaction lights and offline driving.&lt;/p&gt;

&lt;p&gt;✅ Purchase once. No running costs.&lt;/p&gt;

&lt;p&gt;✅ Fun, adaptable and beginner friendly.&lt;/p&gt;

&lt;p&gt;AI AI Hobbyast is perfect or eager about any chatbot technology.&lt;/p&gt;

&lt;p&gt;Available at 📦:&lt;br&gt;
Itch.io&lt;br&gt;
(Link to your actual project page)&lt;/p&gt;

&lt;p&gt;Tags used on 🏷 itch.io:&lt;br&gt;
If you upload something similar here are the tags that I suggest for better searches:&lt;br&gt;
AI, chatboat, artificial intelligence, virtual assistant, interactive, simulation, experimental, tools, talking AI, AI -partner, offline, downloadable&lt;/p&gt;

&lt;p&gt;📈 Why did I do this:&lt;br&gt;
I wanted to see if I could build a single AI tool and convert it into a salable, downloadable product without overcomplecting. This AI integration, project packaging and digital marketplace as itch.io. It was a good way to know.&lt;/p&gt;

&lt;p&gt;🔥 Do you want to build your own?&lt;br&gt;
If someone is interested, I can share a pure starting template for a simple AI chatbot, or even the chrome extension if you want. Let me know in the comments!&lt;br&gt;
Link in comments!&lt;/p&gt;

</description>
      <category>ai</category>
      <category>techtalks</category>
      <category>programming</category>
    </item>
    <item>
      <title>Minimal NRF24 Remote-Controlled Arduino Car with Obstacle Avoidance</title>
      <dc:creator>Liam Desrosiers</dc:creator>
      <pubDate>Sat, 12 Jul 2025 14:00:02 +0000</pubDate>
      <link>https://dev.to/liam_desrosiers_938b2fc61/minimal-nrf24-remote-controlled-arduino-car-with-obstacle-avoidance-5aln</link>
      <guid>https://dev.to/liam_desrosiers_938b2fc61/minimal-nrf24-remote-controlled-arduino-car-with-obstacle-avoidance-5aln</guid>
      <description>&lt;h1&gt;
  
  
  I Built a Minimal NRF24 Remote-Controlled Arduino Car with Obstacle Avoidance
&lt;/h1&gt;

&lt;p&gt;Hey makers! In this post, I'll share how I built a lightweight Arduino car project with NRF24L01 wireless control and simple obstacle avoidance using an ultrasonic sensor and a servo motor.&lt;/p&gt;

&lt;p&gt;Whether you're a beginner working on wireless projects or someone who wants to improve their Arduino car skills, this one's for you!&lt;/p&gt;

&lt;h2&gt;
  
  
  What This Car Can Do
&lt;/h2&gt;

&lt;ul&gt;
&lt;li&gt;Remote control via NRF24L01 module
&lt;/li&gt;
&lt;li&gt;Automatic obstacle avoidance mode
&lt;/li&gt;
&lt;li&gt;Simple servo scanning to measure distance
&lt;/li&gt;
&lt;li&gt;Wireless communication with NRF24 data buffer
&lt;/li&gt;
&lt;li&gt;Serial monitor feedback and mode switching
&lt;/li&gt;
&lt;/ul&gt;

&lt;h2&gt;
  
  
  Parts &amp;amp; Components
&lt;/h2&gt;

&lt;div class="table-wrapper-paragraph"&gt;&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;Part&lt;/th&gt;
&lt;th&gt;Quantity&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;Arduino UNO/Nano&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;NRF24L01 Wireless Module&lt;/td&gt;
&lt;td&gt;2&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;HC-SR04 Ultrasonic Sensor&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;L298N Motor Driver (or equivalent)&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;DC Motors with Wheels&lt;/td&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Servo Motor (SG90/MG90S)&lt;/td&gt;
&lt;td&gt;1&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;Jumper Wires, Breadboard, Battery Pack&lt;/td&gt;
&lt;td&gt;As needed&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;/div&gt;

&lt;h2&gt;
  
  
  Wiring Overview
&lt;/h2&gt;

&lt;p&gt;Here’s how I connected the components:&lt;/p&gt;

&lt;div class="table-wrapper-paragraph"&gt;&lt;table&gt;
&lt;thead&gt;
&lt;tr&gt;
&lt;th&gt;Arduino Pin&lt;/th&gt;
&lt;th&gt;Function&lt;/th&gt;
&lt;/tr&gt;
&lt;/thead&gt;
&lt;tbody&gt;
&lt;tr&gt;
&lt;td&gt;2&lt;/td&gt;
&lt;td&gt;Servo Control&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;3&lt;/td&gt;
&lt;td&gt;Right Motor Direction&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;4&lt;/td&gt;
&lt;td&gt;Left Motor Direction&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;5&lt;/td&gt;
&lt;td&gt;Right Motor PWM&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;6&lt;/td&gt;
&lt;td&gt;Left Motor PWM&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;7&lt;/td&gt;
&lt;td&gt;Ultrasonic Trigger&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;8&lt;/td&gt;
&lt;td&gt;Ultrasonic Echo&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;9&lt;/td&gt;
&lt;td&gt;NRF24 CE&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;10&lt;/td&gt;
&lt;td&gt;NRF24 CSN&lt;/td&gt;
&lt;/tr&gt;
&lt;/tbody&gt;
&lt;/table&gt;&lt;/div&gt;

&lt;p&gt;&lt;strong&gt;[Insert wiring diagram image here]&lt;/strong&gt;&lt;/p&gt;

&lt;h2&gt;
  
  
  Required Libraries
&lt;/h2&gt;

&lt;p&gt;Install these libraries via the Arduino Library Manager:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;&lt;code&gt;RF24&lt;/code&gt;&lt;/li&gt;
&lt;li&gt;
&lt;code&gt;Servo&lt;/code&gt; (built-in)&lt;/li&gt;
&lt;/ul&gt;

&lt;h2&gt;
  
  
  How the NRF24 Communication Works
&lt;/h2&gt;

&lt;p&gt;The car continuously listens for data packets from an NRF24 remote. The received data determines the joystick position and mode switches. It updates the car's motors and servo angle accordingly.&lt;/p&gt;

&lt;p&gt;If no data is received within a set timeout, the car stops safely.&lt;/p&gt;

&lt;h2&gt;
  
  
  Obstacle Avoidance Logic
&lt;/h2&gt;

&lt;p&gt;In obstacle avoidance mode:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;The servo scans in three directions: left, center, right&lt;/li&gt;
&lt;li&gt;The ultrasonic sensor measures distance at each position&lt;/li&gt;
&lt;li&gt;The car decides whether to move forward,
Any ways to check the code look at the comments.&lt;/li&gt;
&lt;/ul&gt;

</description>
      <category>webdev</category>
      <category>programming</category>
      <category>car</category>
      <category>arduino</category>
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