Raspberry Pi Translates Speech to Sign Language with Robotic Hand

We’ve seen the Raspberry Pi used to bridge all sorts of connections but today we’re sharing a Pi project that bridges a gap in human connection. Maker and developer Prabhjot Singh has created what he calls Deaf Link. It uses a Raspberry Pi to serve as a translation hub that lets you convert sign language into audible speech and speech into sign language using a robotic hand.

The first mode is known as sign to speech. To capture sign language, the Pi uses a camera module. The input data is processed using both OpenCV and MediaPipe with Google TensorFlow and hundreds of sign language images. Once the sign is identified, it’s translated to audio which is output to a speaker.

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