Components and supplies
Speaker: 0.25W, 8 ohms
Resistor 220 ohm
Arduino Mega 2560
SD card module
8X8 LED display
TM1637 4-digit display
Button
Project description
Code
GitHub repository
Includes the code
GitHub repository
Includes the code
Downloadable files
SD card module
Connection of the SD card module
SD card module

Buttons
This is how I connected the buttons
Buttons

TM1637 4-Digit display
Connection of 4-digit diplay
TM1637 4-Digit display

Speaker
Connection of the speaker with 220 Ohm resistor
Speaker

TM1637 4-Digit display
Connection of 4-digit diplay
TM1637 4-Digit display

Speaker
Connection of the speaker with 220 Ohm resistor
Speaker

8x8 LED display
Connecting the display to pins
8x8 LED display

Buttons
This is how I connected the buttons
Buttons

SD card module
Connection of the SD card module
SD card module

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