How to Control Flip-disc display via Arduino

1// Example code to control a flip-disc display
2const int PL_PIN = 9;
3const int CH_PIN = 8;
4const int H1_PIN = 7;
5const int L1_PIN = 6;
6const int H2_PIN = 5;
7const int L2_PIN = 4;
8void setup()
9{
10  pinMode(PL_PIN, OUTPUT); digitalWrite(PL_PIN, LOW);
11  pinMode(CH_PIN, OUTPUT); digitalWrite(CH_PIN, LOW);
12  pinMode(H1_PIN, OUTPUT); digitalWrite(H1_PIN, LOW);
13  pinMode(L1_PIN, OUTPUT); digitalWrite(L1_PIN, LOW);
14  pinMode(H2_PIN, OUTPUT); digitalWrite(H2_PIN, LOW);
15  pinMode(L2_PIN, OUTPUT); digitalWrite(L2_PIN, LOW);
16}
17
18void loop()
19{
20  FlipDisc(1);  // Set the disc
21  delay(1000);
22  FlipDisc(0);  // Reset the disc
23  delay(1000);
24}
25
26void FlipDisc(bool discStatus)
27{
28  digitalWrite(CH_PIN, HIGH);   // Charging ON
29  delay(1);                     // Even 0.1 millisecond is enough
30  digitalWrite(CH_PIN, LOW);    // Charging OFF
31  digitalWrite(PL_PIN, HIGH);   // Pulse Current ON
32  if(discStatus == 1)
33  {
34    digitalWrite(H1_PIN, HIGH);   // Open the first pulse current path
35    digitalWrite(L2_PIN, HIGH);
36    delay(1);                     // Wait 1ms
37    digitalWrite(H1_PIN, LOW);    // Close the first pulse current path
38    digitalWrite(L2_PIN, LOW);
39  }
40  else if(discStatus == 0)
41  {
42    digitalWrite(L1_PIN, HIGH);   // Open the second pulse current path
43    digitalWrite(H2_PIN, HIGH);
44    delay(1);                     // Wait 1ms
45    digitalWrite(L1_PIN, LOW);    // Close the second pulse current path
46    digitalWrite(H2_PIN, LOW);
47  }
48  
49  digitalWrite(CH_PIN, LOW);      // Pulse Current OFF
50}