The Seeed Studio XIAO ESP32C3 is a tiny programmable computer. It can switch on lights, listen to sensors, control gadgets, and even communicate using Wi-Fi and Bluetooth.
In this tutorial, we will go over its pins and what they do.
SPI (Serial Peripheral Interface) is a communication method that allows electronic devices to exchange information quickly.
In this lesson, you will learn how SPI works, what wires it uses, and why it is useful. People commonly use SPI to connect microcontrollers to sensors, displays, and memory modules.
Here’s a list of all the parts you need to build the table tennis scoreboard. Each part links to Amazon. If a link doesn’t work, don’t worry - we’ve also added tips on how to find a replacement.
In this video tutorial, we carry, deliver and drop a large object with an attachment that is much more stable than the basic. We get out of the base, and we actually carry the model. This attachment is also auto-correcting as it has a guiding beam at the front, and even when the robot makes a mistake, we can successfully accomplish the mission.
In this self-paced, beginner-friendly online course, you will learn how to create a memory testing game. And don’t worry if you’ve never wired a circuit or touched an ESP32 before. We guide you from the very first step all the way to powering on your finished game.
By the end of this journey, you’ll both have learned how to read resistor color codes and work with common electronic components - all while building something that looks impressively “advanced” but is totally achievable for beginners.
Before you jump into the build videos, this first lesson gives you a clear picture of what you're creating - and what materials you’ll need to make it happen. We want you to have full confidence in what you’re investing in. There are no surprise expenses later: everything required is listed upfront, along with tips on where to buy each part.
The M07. SPACE WALK EMERGENCY is one of the most interesting missions in FLL the we've even seen. This video tutorial demonstrates a mission run for Mission 07 Emergency Walk in FIRST LEGO League 2018-2019 Into Orbit robotics competition. The tutorial contains only the mission run on the field. We accomplish a single mission.
Using everything that we've learned about LEGO Education SPIKE Prime competition programming we arrive at the final boss mission - how do we consistently reach a mission model at the other end of the field. Consistently. Every time. We use line following, motion sensor, counting of lines and border alignment. All the different concepts that we've looked at separately are now implemented together.
Here is Comet. It is a fast LEGO Mindstorms EV3 Car robot that looks like F1 Racing Car. We've especially designed it to be controlled with the remote control to make it extremelly easy to download the program and start playing with the robot. It also has the option to "press the pedal" (increase the speed) with just the remote control. Check it out.
Here is Turtle - a LEGO Mindstorms EV3 robot that is designed to look like a sea turtle (may look clumsy but it's not). It has two sensors - ultrasonic and gyro, capable of following its course and navigating through anything. It can even get "angry", if you annoy it too much.
What if the robot could make a mistake and still accomplish the mission? That is what we demonstrate with this tutorial - a few principles for error tolerance and self-correction. Even though we start the robot from a few different places, we manage to complete the mission with the same program every time. We use the LEGO Education SPIKE Prime robot, and we continue directly after the 10 out of 10 tutorial
This is a 10 out of 10 video tutorial for the FIRST LEGO League 2020 RePLAY robotics competition and the Treadmill mission. We build a robot with consistent behavior that is able to achieve the mission every time
The bench mission was a video tutorial that we recorded several times. It was really hard to get it 10 out of 10. The reason was the shear complexity of the mission. There are three things that should happen in this mission at once which was extremely difficult. What you will see in the tutorial is how this attachment behaves
In this tutorial, we explore the Scratch program used with the Smaller Pancake box robot for our solutions in the FIRST LEGO League 2025–2026 UNEARTHED competition.
Accuracy and consistency is the topic of this tutorial, as all 10 out of 10 tutorials are at FLLCasts. We use a robot build only from LEGO Mindstorms Robot Inventor parts and we accomplish the mission 10 out of 10 times. You will see how we use an active gear attachment to catch the wheel and pull it to the black circle, which accomplishes the mission
Short, direct, and almost identical every time. This 10 out of 10 tutorial from the FIRST LEGO League 2025-2026 UNEARTHED competition puts the Smaller Pancake box robot and the Site Marking attachment through ten flag deliveries for Mission 15.
In this video tutorial, we demonstrate an attachment that is activated when we reach the mission model. That means the attachment is not activated by a motor but by the movement of the robot. We accomplish the FIRST LEGO League 2021-2022 Cargo Connect Home Delivery mission model, where we have to move and bring cargo to the mission model and leave the cargo there.
Sometimes the best final run is the one that does exactly one job. In this FLL 2025 UNEARTHED competition tutorial, the Smaller Pancake box robot uses the Site Marking attachment to carry the flag straight from base to its destination in under ten seconds.
This video tutorial is about flipping tires. We are using a LEGO Mindstorms Robot Inventor and the missing is from FIRST LEGO League 2020-2021 competition called RePlay. In the video you will see how to approach the two tires and how to flip them with an attachment. Then they must be returned back to the black circle.
When the attachment is simple, preparation makes all the difference. In this 10 out of 10 tutorial for the FIRST LEGO League 2025–2026 UNEARTHED competition, the Smaller Pancake box robot and the Forum attachment deliver the collected artifacts to Mission 14: Forum across ten consecutive attempts.
In this tutorial we demonstrate how a Flip Mission could be accomplished with a Flip Attachment. The robot attachment could be adapted to other flips in FIRST LEGO League/World Robotics Olympiad and other robotics competitions. The principle is the same. The tutorial uses Luly, small LEGO Education SPIKE Prime competition robot with 3D building instructions as a robot base.
Sometimes the most effective solutions are also the most straightforward. In Mission 14: Forum from the FIRST LEGO League UNEARTHED season, the Smaller Pancake box robot uses a lightweight pinless attachment to deliver the collected artifacts safely into the scoring area.
