esp32/level1/7_segment_display_basic/src/main_esp.cpp

/**
  Use one digit 7-segment display to show number 5
  7 APR 2025 by Blind Author
*/

const int segA = 2;
const int segB = 4;
const int segC = 5;
const int segD = 12;
const int segE = 13;
const int segF = 14;
const int segG = 18;
const int segDP = 19;

void setup() {
  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
  pinMode(segDP, OUTPUT);

  digitalWrite(segA, LOW);
  digitalWrite(segB, HIGH);
  digitalWrite(segC, LOW);
  digitalWrite(segD, LOW);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segDP, HIGH);
}

void loop() {
}