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Raviintech_chatDoor buzzer using Arduino and ultrasonic sensor.Part list 1 Arduino board with cable 1 HC-04 Ultrasonic sensor 1 +5v buzzer 1 breadboard 3 LEDs 9 jumper wiresOct 15, 2021Oct 15, 2021
RaviinFrom Resplendent IslandMonkeys — Child’s yearning for love and freedomA short story by Punyakanthi WijenayakeMay 23, 2020May 23, 2020
RaviinFrom Resplendent IslandAYUBOWAN — May you live long!Try this during the COVID pandemic to greet someone in a secure way.May 19, 2020May 19, 2020
