Keyestudio ARDUINO maker learning kit Manual page 105

keyestudio
Sample program
There are seven segments for numerical display, one for decimal point display. Corresponding
segments will be turned on when displaying certain numbers. For example, when displaying
number 1, b and c segments will be turned on. We compile a subprogram for each number, and
compile the main program to display one number every 2 seconds, cycling display number 0 ~ 9.
The displaying time for each number is subject to the delay time, the longer the delay time, the
longer the displaying time.
//////////////////////////////////////////////////////////
// set the IO pin for each segment
int a=7;// set digital pin 7 for segment a
int b=6;// set digital pin 6 for segment b
int c=5;// set digital pin 5 for segment c
int d=10;// set digital pin 10 for segment d
int e=11;// set digital pin 11 for segment e
int f=8;// set digital pin 8 for segment f
int g=9;// set digital pin 9 for segment g
int dp=4;// set digital pin 4 for segment dp
void digital_0(void) // display number 5
{
unsigned char j;
digitalWrite(a,HIGH);
www.keyestudio.cc
103