DIY Arduino Siren Effects with 4x1 Keypad & LED | Visual Programming in Visuino

Описание: Learn how to make an Arduino buzzer & LED siren controlled by a 4x1 keypad! 🔊 Press keys 1–4 to play Square, Sine, Triangle, or Gauss wave sounds while the LED glows. Made with Visual Programming in Visuino.
Download Project files, Wiring and Full Tutorial here: https://www.instructables.com/Arduino...
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Other Visuino Projects: https://www.instructables.com/member/...
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#Arduino #Visuino #Keypad #LED #buzzer #Project #visualprogramming