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29 Jan 2013

max7219_05

Ronald Willem Besinga writes:

One of the basic usage of the TIMER peripheral on every microcontroller is to provide the 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. Thanks to the Maxim MAX7219 chip which enable us to interface this 8-Digit seven segment LED display much easier using just three wires of the SPI (serial peripheral interface) to display the hour, minute, second, and hundredth of seconds to the 8-Digit seven segments LED display.

Build your own stopwatch using Maxim MAX7219 Serially Interfaced, 8-Digit LED Display Drivers - [Link]

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