Programmable Arduino Timer

Project to making a programmable timer with an Arduino Uno, a 7-segment 8-digit MAX7219 display, and a 4x4 keypad.

Aug 12, 2023

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GPL3+

Components and supplies

1

Arduino Uno Rev3

1

MAX7219 8-Digital Segment Digital LED Display Tube For Arduino

1

prototype breadboard

1

Active Buzzer 5V (HXD)

1

7 Segments Display

1

4x4 Matrix Membrane Keypad

Tools and machines

1

drill, screwdriver, soldering iron

Apps and platforms

ChatGPT

Project description

Code

Countdown timer for MAX7219

c

Complete code for programmable timer MAX7219.

Documentation

Wiring diagram

Wiring diagram with keypad and MAX7219 display

MAX7219-8-Digit-LED-Display_bb.png

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