Using a Raspberry Pi, an Arduino, an Adafruit NeoPixel Ring and a servomotor, Japanese makers  HomeMadeGarbage produced this Pronunciation Training Machine to help their parents distinguish ‘L’s and ‘R’s when speaking English. L R 発音矯正ギブス お母ちゃん編 Pronunciation training machine #right #light #raspberrypi #arduino #neopixel 23 Likes, 1 Comments – Home Made Garbage (@homemadegarbage) on Instagram: “L R 発音矯正ギブス お母ちゃん編 Pronunciation training machine #right #light #raspberrypi #arduino #neopixel” How does an Pronunciation Training Machine work? As you can see in the video above, the machine utilises the Google Cloud Speech API to recognise their parents’ pronunciation of the words ‘right’ and ‘light’.

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The Pronunciation Training Machine