Basic Playing - Teaching a Robotic Arm to Play Air Hockey p.4

TL;DR

Learn how to program a robotic arm to play air hockey by tracking the puck's location and moving the arm accordingly.

Transcript

what is going on everybody and welcome to part 4 of the air hockey with robotic arm series in this tutorial what we're gonna be covering is how to take this robotic arm and now that we know where the puck is and we can generally know where the arm is or at least tell the arm where to go how could we actually play air hockey now this is just going t... Read More

Key Insights

• 🦾 The tutorial focuses on basic logic for the arm to follow the puck's movements and attempt strikes.
• 💘 The arm's gripping mechanism (suction cup or gripper) is crucial for successful gameplay.
• 🦾 The arm's speed and accuracy need to be optimized to improve gameplay.
• 💨 The tutorial hints at upcoming changes to make the arm faster and improve the display for better visualization.
• 💩 Further improvements are needed to ensure the arm hits the puck consistently and effectively.
• ❓ The tutorial acknowledges the crude logic used, with the expectation of refining it in future tutorials.
• 🫵 Questions and feedback from viewers are encouraged.

Questions & Answers

Q: How is the robotic arm programmed to play air hockey?

The arm's position is determined based on the location of the puck using percentages. The arm is sent to its corresponding Y position and attempts to strike the puck once it crosses a certain X threshold.

Q: What challenges are faced in gripping the striker?

The tutorial discusses using a suction cup or gripper for gripping the striker. Finding the perfect amount of force is challenging - too much force leads to dropping the striker, and too little force allows the puck to go underneath.

Q: How does the logic prevent the arm from immediately swinging again after a missed strike?

A counter is used to track when the arm recently swung. If the arm attempts to hit the puck but the puck is in a different location, the counter prevents the arm from swinging again immediately.

Q: Why does the arm sometimes time out during the tutorial?

The arm may time out due to potential issues with the arm itself. The timeout can be adjusted to prevent wasting time during testing and development.

Summary & Key Takeaways

• This tutorial teaches how to program a robotic arm to play air hockey.

• The arm's position is determined based on the location of the puck on the playing field.

• The tutorial covers setting up the arm, tracking the puck, and attempting to strike the puck.