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Birthday Card on a PCB

A birthday card that plays a song when a button is pushed

Features

  • Plays a song when button is pressed
  • Song stops when button is pressed
  • Can play 3 tones simultaneously

Demo

Making of

  • Coming soon

Instructions

These are the instructions I gave my brother

Requirements

Hardware

  • Arduino Uno for programming
  • ATMega328 chip
  • 16 mHz crystal
  • 3 x 4.7 ko resistors
  • 220 ohm resistor
  • 2 x 10 mF capacitors
  • 2 x 22 pF ceramic capacitors
  • 9V battery holder
  • Tact button
  • 5V regulator

See the included Fritzing diagram for details (+ wires, resistors, etc.).

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