Help the hearing and speech impaired children learn and communicate normally by means of sign-language.
Raveberry is a multi user music server that allows democratic selection of songs.
Made a TV Remote from Arduino nano, Pretty basic but functional
A tunnel/Machine where the human can be sanitized the whole body by spraying the solution(Sodium hypochlorite) which can kill the virus.
Mechanical watches with automatic winding have 2-3 days autonomy. ATtiny85 keep them always ready to wear, no matter when!
With this LoRa Arduino control Relay circuit, we can control high voltage appliances from 10 km away in rural areas.