Initialer Commit

2024-10-14 19:43:25 +02:00
commit d23a3caf69
7 changed files with 209 additions and 0 deletions
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -0,0 +1,81 @@
+#include <Arduino.h>
+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_SH110X.h>
+#include <Adafruit_GFX.h>
+
+#define i2c_Address 0x3c //initialize with the I2C addr 0x3C Typically eBay OLED's
+#define SCREEN_WIDTH 128 // OLED display width, in pixels
+#define SCREEN_HEIGHT 64 // OLED display height, in pixels
+#define OLED_RESET -1   //   QT-PY / XIAO
+
+Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
+int VoltPin=A1;
+float Spannung;
+float R1=30000;
+float R2=7500;
+float Vout;
+float Vin;
+
+const byte address[6] = "00001";
+
+void Startbildschirm(){
+  display.clearDisplay();                          //Display löschen 
+  display.setTextColor(SH110X_WHITE);              //Textfarbe
+  display.setTextSize(2);                          //Textgröße
+  display.setCursor(25,5);
+  display.print("Battery");
+  display.setCursor(35,35);
+  display.print("Guard");
+  display.display(); 
+}
+
+void Anzeige(){
+  display.clearDisplay();                          //Display löschen 
+  display.setTextColor(SH110X_WHITE);              //Textfarbe
+  display.setTextSize(2);                          //Textgröße
+  display.setCursor(20,5);
+  display.print("Voltage:");
+  display.setCursor(30,35);
+  display.print(Vin);
+  display.setCursor(100,35);
+  display.print("V");
+  display.display(); 
+}
+
+void Anzeige2(){
+  display.clearDisplay();                          //Display löschen 
+  display.setTextColor(SH110X_WHITE);              //Textfarbe
+  display.setTextSize(2);                          //Textgröße
+  display.setCursor(20,5);
+  display.print("Battery");
+  display.setCursor(35,35);
+  display.print("low!");
+  display.display(); 
+}
+
+void setup() {
+  Serial.begin(9600);
+
+  Wire.begin(); //SDA -> A4, CLK -> A5
+  display.begin(i2c_Address, true); 
+  Startbildschirm();
+  delay(5000);
+
+  pinMode(VoltPin,INPUT);
+}
+
+void loop() {
+  Spannung=analogRead(VoltPin);
+  Vout=Spannung*5/1024;
+  Vin=Vout/(R2/(R1+R2));
+  
+  while(Vin>10.5){
+    Spannung=analogRead(VoltPin);
+    Vout=Spannung*5/1024;
+    Vin=Vout/(R2/(R1+R2));
+    Anzeige();
+    delay(1000);
+  }
+  Anzeige2();
+}