Page 149 - KEC Khaitan C8.2 Flipbook
P. 149
Debugging and Troubleshooting
Problem Possible Cause Solution
No response from servos Incorrect wiring Check servo connections
Wrong facial expression Incorrect mapping in code Adjust servo angles
Speech not recognized Microphone issue Increase sensitivity
By blending speech recognition AI with servo-driven mechanics, you’ve created an emoji
that listens to you and reacts physically. This project highlights how voice commands can
make robotics more accessible and engaging—no buttons needed. Whether it’s a smiling
mouth or raised eyebrows, your voice-controlled emoji adds a fun, human element to
microcontroller-based builds.
Remember: Voice recognition adds a personal dimension to robotics, letting you guide
your creations through spoken commands. Combined with servo-based expressions, your
projects can truly come “alive” by reflecting and responding to human interactions—making
technology feel more natural and fun!
Congratulations on completing this comprehensive robotics journey! Along the way, you’ve
learned how to read circuit diagrams, interface with microcontrollers, and control everything
from simple LEDs to servo-driven emoji expressions. You’ve explored IoT, adding wireless
capabilities to your projects, and ventured into AI-powered territory, where both face recognition
and speech recognition infused your builds with a natural, human-centered touch. By combining
electronic fundamentals, programming skills, and creative problem-solving, you’ve laid the
groundwork for countless innovations—be it a smart lamp that responds to facial cues, a robot
car that navigates via Bluetooth, or an expressive “emoji” that understands voice commands.
As you move forward, remember that experimentation is key: keep pushing boundaries, testing
new ideas, and letting your curiosity guide you toward ever more interactive, intelligent robotics
solutions.
Hands-On Project 147

