Stopwatch using ATMEGA328P Microcontroller

One of the basic uses of the TIMER peripheral on every microcontroller is to provide an accurate timing mechanism. Using the TIMER peripheral as the basic timing, we could easily develop a Stopwatch and display it to the 8-Digit seven-segment numeric LED display.

Utilizing the Atmel AVR ATMega328P microcontroller SPI peripheral to communicate with the Maxim MAX7219 chip used to drive the common cathode 8-Digits Seven Segment LED display.

Components:-

1) ATMEGA328p Microcontroller.

2) Maxim MAX7219, 8-Digit LED Display Drivers.

3) Common cathode 8-Digits Seven Segment LED display.

4) Passive components like Resistors, Switches, Capacitors, and LEDs.

Developed using C language in Microchip Studio IDE, and simulated using Proteus 8 Professional.

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