Würfeln mit Touch-Pin auf der LED-Matrix des UNO R4 WiFi (Lösung) – Projekte für Arduino und ESP32-Mikrocontroller

#include "Arduino_CapacitiveTouch.h"
#include "Arduino_LED_Matrix.h"

/*
  Minimum und Maximum der Zufallszahlen
  ermittelte Zahl wird immer nach unten gerundet
  -> maximaler Wert muss 7 sein
*/
int Minimum = 1;
int Maximum = 7;

// Name der Matrix
ArduinoLEDMatrix Matrix;

// Start-Button 
byte StartButton[8][12] = 
{
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0 },
  { 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0 },
  { 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0 },
  { 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0 },
  { 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0 },
  { 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 }
};

byte eins[8][12] = 
{
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
};

byte zwei[8][12] = 
{
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
};
byte drei[8][12] = 
{
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
};

byte vier[8][12] = 
{
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 }
};

byte fuenf[8][12] = 
{
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 }
};

byte sechs[8][12] = {
  { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 },
  { 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 }
};

// Kapazativer Pin
CapacitiveTouch TouchPin = CapacitiveTouch(D8);

void setup() 
{
  Serial.begin(9600);
  delay(1000);

  if(TouchPin.begin())
  {
    Serial.println("Touch-Sensor gestartet ...");
  } else {
    Serial.println("Touch-Sensor konnte nicht gestartet werden!");
    while(true);
  }

  // Grenzwert Auslösung
  TouchPin.setThreshold(1500);
  Matrix.begin();
 
  // Zufallsgenerator starten
  randomSeed(A0);
 
  // Start-Button anzeigen
  Matrix.renderBitmap(StartButton, 8, 12);
}

void loop() 
{
  int Sensorwert = TouchPin.read();

  if (TouchPin.isTouched()) 
  {
    // Würfeleffekt
    for (int i = 0; i < 5; i++)
    {
      Wuerfeln();
      delay(200);
    }
  }
  delay(100);
}

void Wuerfeln() 
{
  // Zufallszahl ermitteln
  int Zahl = random(Minimum, Maximum);

  // Abfrage der gewürfelten Zahl
  switch (Zahl) 
  {
    case 1:
      Matrix.renderBitmap(eins, 8, 12);
      break;

    case 2:
      Matrix.renderBitmap(zwei, 8, 12);
      break;

    case 3:
      Matrix.renderBitmap(drei, 8, 12);
      break;

    case 4:
      Matrix.renderBitmap(vier, 8, 12);
      break;

    case 5:
      Matrix.renderBitmap(vier, 8, 12);
      break;

    case 6:
      Matrix.renderBitmap(sechs, 8, 12);
      break;
  }
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

#include "Arduino_CapacitiveTouch.h"

#include "Arduino_LED_Matrix.h"

Minimum und Maximum der Zufallszahlen

ermittelte Zahl wird immer nach unten gerundet

-> maximaler Wert muss 7 sein

int Minimum = 1;

int Maximum = 7;

// Name der Matrix

ArduinoLEDMatrix Matrix;

// Start-Button

byte StartButton[8][12] =

{

{ 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0 },

{ 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0 },

{ 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0 },

{ 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0 },

{ 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 }

};

byte eins[8][12] =

{

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }

};

byte zwei[8][12] =

{

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }

};

byte drei[8][12] =

{

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }

};

byte vier[8][12] =

{

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 }

};

byte fuenf[8][12] =

{

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 },

{ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1 }

};

byte sechs[8][12] = {

{ 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 },

{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

{ 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 },

{ 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1 }

};

// Kapazativer Pin

CapacitiveTouch TouchPin = CapacitiveTouch(D8);

void setup()

{

Serial.begin(9600);

delay(1000);

if(TouchPin.begin())

{

Serial.println("Touch-Sensor gestartet ...");

} else {

Serial.println("Touch-Sensor konnte nicht gestartet werden!");

while(true);

}

// Grenzwert Auslösung

TouchPin.setThreshold(1500);

Matrix.begin();

// Zufallsgenerator starten

randomSeed(A0);

// Start-Button anzeigen

Matrix.renderBitmap(StartButton, 8, 12);

}

void loop()

{

int Sensorwert = TouchPin.read();

if (TouchPin.isTouched())

{

// Würfeleffekt

for (int i = 0; i < 5; i++)

{

Wuerfeln();

delay(200);

}

delay(100);

}

void Wuerfeln()

{

// Zufallszahl ermitteln

int Zahl = random(Minimum, Maximum);

// Abfrage der gewürfelten Zahl

switch (Zahl)

{

case 1:

Matrix.renderBitmap(eins, 8, 12);

break;

case 2:

Matrix.renderBitmap(zwei, 8, 12);

break;

case 3:

Matrix.renderBitmap(drei, 8, 12);

break;

case 4:

Matrix.renderBitmap(vier, 8, 12);

break;

case 5:

Matrix.renderBitmap(vier, 8, 12);

break;

case 6:

Matrix.renderBitmap(sechs, 8, 12);

break;

}

Letzte Aktualisierung: Aug. 5, 2026 @ 18:18