added pinouts to code and reference

PyCoffeeESP8266/PyCoffeeESP8266.ino

@@ -4,6 +4,7 @@
 #include <ESPAsyncWebServer.h>
 #include <AsyncElegantOTA.h>
 #include <Wire.h>
+#include <LiquidCrystal.h>
 
 AsyncWebServer server(80);
 
@@ -32,12 +33,45 @@ const char index_html[] PROGMEM = R"rawliteral(
 
 </body></html>)rawliteral";
 
+// LCD pins <--> ESP8266 LOLIN D1 pins
+const int e_RS = 4, e_EN = 5, e_D4 = 12, e_D5 = 13, e_D6 = 14, e_D7 = 15;
+LiquidCrystal lcd(e_RS, e_EN, e_D4, e_D5, e_D6, e_D7);
+
+// Custom character matrix (coffee cup left side)
+byte cupL[8] = {0b00001,0b00010,0b00010,0b00001,0b00001,0b00000,0b00111,0b00100};
+// Custom character matrix (coffee cup center)
+byte cupC[8] = {0b00100,0b00101,0b01001,0b01000,0b00100,0b00000,0b11111,0b00000};
+// Custom character matrix (coffee cup right side)
+byte cupR[8] = {0b10000,0b00000,0b00000,0b10000,0b10000,0b00000,0b11000,0b01110};
+// Custom character matrix (coffee cup left side line 2)
+byte cupL1[8] = {0b00100,0b00100,0b00100,0b00010,0b01111,0b01000,0b00111,0b00000};
+// Custom character matrix (coffee cup center line 2)
+byte cupC1[8] = {0b00000,0b00000,0b00000,0b00000,0b11111,0b00000,0b11111,0b00000};
+// Custom character matrix (coffee cup right side line 2)
+byte cupR1[8] = {0b01010,0b01010,0b01110,0b10000,0b11100,0b00100,0b11000,0b00000};
+
 void notFound(AsyncWebServerRequest *request) {
   request->send(404, "text/plain", "Not found");
 }
 
 // the setup function runs once when you press reset or power the board
 void setup(void) {
+  // initialize serial:
+  Serial.begin(9600);
+
+  // Make custom characters available to LCD
+  lcd.createChar(0, cupL);
+  lcd.createChar(1, cupC);
+  lcd.createChar(2, cupR);
+  lcd.createChar(3, cupL1);
+  lcd.createChar(4, cupC1);
+  lcd.createChar(5, cupR1);
+  lcd.begin(16, 2); // set up number of columns and rows
+  lcd.clear();                  // Clear LCD
+  // this part is for testing and boot messages only
+  lcd.setCursor(0, 0);         // move cursor to   (0, 0)
+  lcd.print("PyCoffee_WiFi");
+  
   WiFi.mode(WIFI_STA);
   //  WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE, INADDR_NONE);
   WiFi.setHostname(hostname.c_str()); //define hostname
@@ -57,5 +91,19 @@ void setup(void) {
 
 // the loop function runs over and over again forever
 void loop() {
-  
+  delay(1000);
+  lcd.clear();                  // Clear LCD at every cycle
+  lcd.setCursor(0, 0);         // move cursor to   (0, 0)
+  lcd.print("Test");
+  lcd.setCursor(0, 1);         // move cursor to   (0, 0)
+  lcd.print("V ALPHA 0.1");
+  delay(1000);
+  lcd.setCursor(12,0);  //print using uint8 method
+  lcd.write((uint8_t)0);
+  lcd.write((uint8_t)1);
+  lcd.write((uint8_t)2);
+  lcd.setCursor(12,1);  //print using uint8 method
+  lcd.write((uint8_t)3);
+  lcd.write((uint8_t)4);
+  lcd.write((uint8_t)5);
 }

PyCoffeeNano/PyCoffeeNano.ino

@@ -1,6 +1,20 @@
+// Pinout configuration
+const int grinderPin = 9, pumpPin = 8, boilerPin = 6, powderPin = 7, wheelPin = 10, invertWheelPin = 11, powderSensorPin = 2, vaporSensorPin = 5, tempSensorPin = 7, wheelStartSensorPin = 4, wheelEndSensorPin = 3, redLED = 13, greenLED = 12;
+
+// Milliseconds to delay between each cycle
+# define milliseconds 10;
+int timeratio = 1;
+
 void setup() {
   // put your setup code here, to run once:
-
+  // first we set pins as I/O and initialize outputs LOW
+  pinMode ((grinderPin, pumpPin, boilerPin, powderPin, wheelPin, invertWheelPin, redLED, greenLED), OUTPUT);
+  pinMode ((powderSensorPin, vaporSensorPin, tempSensorPin, wheelStartSensorPin, wheelEndSensorPin), INPUT);
+  digitalWrite((grinderPin, pumpPin, boilerPin, powderPin, wheelPin, invertWheelPin, redLED, greenLED), LOW);
+  // timeratio easily allows to determine how many cycles are required to make 1s pass (ms * ratio = 1s)
+  timeratio = 1000/milliseconds;
+  // initialize serial:
+  Serial.begin(9600);
 }
 
 void loop() {