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ShiftOut(DATA_DIO, CLK_DIO, MSBFIRST, SEGMENT_MAP) Void WriteNumberToSegment(byte Segment, byte Value)
* Write a decimal number between 0 and 9 to one of the 4 digits of the display */ WriteNumberToSegment(2, (PotValue / 10) % 10) WriteNumberToSegment(1, (PotValue / 100) % 10) WriteNumberToSegment(0, PotValue / 1000) * Update the display with the current counter value */ * Segment byte maps for numbers 0 to 9 */Ĭonst byte SEGMENT_MAP = * Define shift register pins used for seven segment display */ Serial.print(“Potentiometer reading: “) * Wait 0.5 seconds before reading again */ initialize the digital pin as an output. Serial interface header for connection to serial modules Here is a picture of the board, a few code examples are available later on in the article.Ĥ digit 7-segment LED display module driven by two serial 74HC595’sĭS18B20 temperature sensor interface (not included) This shield got my attention as it looked like a nice beginners learning type shield with which you could get up and running with an Arduino
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