#include "cgnuino.h"
byte n = 0, inc = 1;
void setup() {
Serial.begin(115200);
}
void loop() {
byte tmp = n;
while (tmp > 0) {
Serial.print(" ");
tmp -= 1;
}
Serial.println("*");
n += inc;
if (n == 10) {
inc = -1;
} else if (n == 0) {
inc = 1;
}
delay(250);
}