Online – Self-Paced – Intro Level 

TH 203: Robotics & Mechatronics 2

Construct a drawing bot and robotic arm

About this Course

Most robots today are used to do repetitive actions or jobs considered too dangerous for humans. They’re used in factories to build things like cars, candy bars, and electronics. Robots are now used in medicine, military tactics, marine biology, space exploration, and countless other fields. In TH 203: Robotics & Mechatronics 2, you’ll develop skills to turn your WiFi-controlled robot into a drawing bot and add a robotic arm to make it a do a variety of useful things. 

You will continue to learn fundamental theory, modeling methods, hardware components, interfacing requirements, simulation and programming tools, and practical applications of robotics and mechatronics. To be successful, you’ll need to commit 2-4 hours to complete this course. Our learning portal contains step-by-step instructions and videos to help you build each of the 2 robotics projects. If you get stuck or have questions, you can use our community forum to ask for help or collaborate with others. 

Upon successful completion of this course, you’ll be prepared to take the next course: TH 204 – Music & Acoustics for Engineering and Technology 1. 


What You'll Build

2 hands-on projects that teach you how to build a WiFi-controlled robot and remote controller

Project 1: Robotic pen plotter

Project 2: Robotic arm

What You'll Get

A combination of sensors, modules, acrylic pieces, and smaller components: 

Level 2 chassis

Servo motors

Servo driver board

Line finder module

Taped acrylic sheet

Acrylic mounts

Nylon stand-offs

Male-to-male jumper cords

Cables, nuts, bolts

Jumpers, rubber bands

What You'll Need

Here are some things you’ll need before you get started: 

  • Screwdriver
  • A computer running Windows, Mac OS, or Linux. 
  • Keyboard and mouse
  • Working internet connection
  • Arduino software 
The Arduino software is a free application and be downloaded at

What You'll Learn

#1: ROBotic pen plotter

Improve your WiFi bot with drawing capabilities.  Use pre-programmed logic to make shapes.  Or take it to the next level with mathematical calculations to make your shapes picture perfect.


Build a 3-axis robot arm and attach it to your WiFi-bot.  Learn the advanced kinematics behind controlling something in 3D space. You’ll also add grabbing and placement ability to your driving and drawing robot! 

Frequently Asked Questions

WHo is THimble for?

Thimble courses are for students ages 10+. If students are younger, parent or teacher supervision is strongly recommended. 

How much time will i need to commit?

On average, our courses require one month to complete (depending how fast you go). That time will be spent watching video lessons and building projects.  

What if i have no experience in electronics OR code?

We created Thimble to teach beginners a basic understanding of electronics, engineering, and code. We assume you have no prior knowledge; all we ask if that you have a hunger to learn.  


Other platforms teach coding only. We teach hardware and software – putting real engineering tools in your hands to learn complex STEM skills used in industry. 


You’ll receive online access to course instructions, video tutorials, and support forums. We’ll ship you the components and tools to build your hands-on projects.

Are thimble courses worth my time and Money

If you want to take in-person courses that cost thousands of $$$, Thimble isn’t for you. Want an intro to STEM that’s taught at a fraction of the price? You’re in the right place. 

What Parents and Teachers are Saying about this Course

"Lots of excitement here in the McGhee household. I'm 49 and almost quit my job to apply to MIT when my son and I made the WiFi robot move! I had visions of Mars Rover 2.0 and interplanetary jetpacks! This is such a great idea!"
Will Mcghee
Sao Paolo, Brazil
"I have gone into Lego and other products for my kids to be competitive in college application processes and Thimble courses are perfect! Our local school system stinks; my senior in high school is a smart kid and wants to attend Drexel in the fall. He cannot compete with the experience levels of some of the students because of the lack of exposure. So anything I can add to his learning with these courses is beautiful! Thank you!"
Roy Donasco
Parañaque, Phillipines

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