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arduino-cli/libraries/SevenSegmentTM1637/examples/PrintNumber/PrintNumber.ino

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+/*
+  Printing numbers example
+
+  Demonstrate a couple different ways nubers can be printed: positive, negative,
+  with padding and with rollover.
+
+
+	The circuit:
+  * connect TM1637 pin CLK to Arduino pin D4
+  * connect TM1637 pin DIO to Arduino pin D5
+  * connect TM1637 pin Vcc to Arduino pin 5V
+  * connect TM1637 pin GND to Arduino pin GND
+
+	Created 22 June 2020
+	By Bram Harmsen
+
+	https://github.com/bremme/arduino-tm1637
+
+*/
+
+// include the SevenSegmentTM1637 library
+#include "SevenSegmentTM1637.h"
+#include "SevenSegmentExtended.h"
+
+/* initialize global TM1637 Display object
+*  The constructor takes two arguments, the number of the clock pin and the digital output pin:
+* SevenSegmentTM1637(byte pinCLK, byte pinDIO);
+*/
+const byte PIN_CLK = 4;   // define CLK pin (any digital pin)
+const byte PIN_DIO = 5;   // define DIO pin (any digital pin)
+SevenSegmentExtended    display(PIN_CLK, PIN_DIO);
+
+// run setup code
+void setup() {
+  Serial.begin(9600);         // initializes the Serial connection @ 9600 baud
+  display.begin();            // initializes the display
+  display.setBacklight(100);  // set the brightness to 100 %
+  display.print("INIT");      // display INIT on the display
+  delay(1000);                // wait 1000 ms
+};
+
+// run loop (forever)
+void loop() {
+
+    // print positive numbers
+    display.print("PRINT POSITIVE NUMBERS");
+    delay(1000);                          // wait 1000 ms
+    for (int16_t number=0; number < 2000; number++)  {
+        display.printNumber(number);
+        delay(1);
+    };
+
+    // print negative numbers
+    display.print("PRINT NEGATIVE NUMBERS");
+    delay(1000);                          // wait 1000 ms
+    for (int16_t number=0; number > -999; number--) {
+        display.printNumber(number);
+        delay(2);
+    };
+
+    // print with positive with zero padding
+    display.print("PRINT POSITIVE NUMBERS WITH PADDING");
+    delay(1000);                          // wait 1000 ms
+    for (int16_t number=0; number < 2000; number++)  {
+        display.printNumber(number, true);
+        delay(1);
+    };
+
+    // print with rollover (e.g. 10000 -> 0, 10001 -> 1)
+    display.print("PRINT POSITIVE NUMBERS WITH ROLLOVER");
+    delay(1000);                          // wait 1000 ms
+    for (int16_t number=0; number < 20000; number+=250)  {
+        display.printNumber(number, false, true);
+        delay(50);
+    };
+};