Voice Recognition (Firmware v1.9.5 or above)
KOI is able to recognize our commands after training.
Recognizing Voice Commands
Load KOI Extension: https://github.com/KittenBot/pxt-koi
Blocks for voice recognition:
1: Download the program to the Micro:bit.
2: Press A and record the first command. A green color will be shown if the command has been successfully added. Otherwise red will be shown.
3: Press B to continue, you can now repeak step 2 and record the next command.
4: Repeat step 2-3 to record all your commands.
AI Camera KOI has the capacity for 10 voice samples.
5: Press A and B at the same time to recognize a command. A green color will be shown if KOI successfully recognizes your command, else it will show a red color. The command ID will be shown on Micro:bit.
Voice Recognition Demo Video
Extension Version and Updates
There may be updates to extensions periodically, please refer to the following link to update/downgrade your extension.
2: Does KOI work with 3V input?
· A: No, KOI only works with 5V.
3: KOI displays red everytime I try to record my command.
· A: The noise level hasn’t been calibrated, it is essential to run the block before voice recognition.