Use single-digit or four-digit 7-segment display with Arduino to display arbitrary strings in ticker tape/news ticker style. Utilize a default mapping from alphanumeric characters to 7-segment display representations or configure your own.
place .h and .cpp files into your $ARDUINO_DIR/user/libraries
$ tree user/libraries/TickerTape7SegmentDisplay/
user/libraries/TickerTape7SegmentDisplay/
├── TickerTape7SegmentDisplay.cpp
└── TickerTape7SegmentDisplay.h
1 directory, 2 files
TBD
#include <TickerTape7SegmentDisplay.h>
int A_pin=2, B_pin=3, C_pin=4, D_pin=5,
E_pin=6, F_pin=7, G_pin=8, DP_pin=9;
bool isAnodeDisplay=false;
TickerTape7SegmentDisplay TT7SD(A_pin, B_pin, C_pin, D_pin,
E_pin, F_pin, G_pin, DP_pin,
isAnodeDisplay);
void setup() {
}
void loop() {
TT7SD.clearDisplay();
TT7SD.setRepresentation(66, '!', B01100001);
TT7SD.showTicker("Hello world!", 1000);
// TT7SD.test();
}
#include <TickerTape7SegmentDisplay.h>
int A_pin=2, B_pin=3, C_pin=4, D_pin=5,
E_pin=6, F_pin=7, G_pin=8, DP_pin=9,
d1=A0, d2=A1, d3=A2, d4=A3;
bool isAnodeDisplay=false;
TickerTape7SegmentDisplay4Digit TT7SD4D(A_pin, B_pin, C_pin, D_pin,
E_pin, F_pin, G_pin, DP_pin,
d1, d2, d3, d4,
isAnodeDisplay);
void setup() {
}
void loop() {
TT7SD4D.clearDisplay();
TT7SD4D.setRepresentation(66, '!', B01100001);
TT7SD4D.showTicker("Hello world!", 1000);
TT7SD4D.test();
TT7SD4D.showChar('a', 0);
TT7SD4D.show4Chars('a', 'b', 'c', 'd', 2000);
}
first argument in setRepresentation(66, '!', B01100001) is a unique integer identifier for a character. Use 66-69 for custom mappings or 0-65 to override the default mapping for alphanumerics



