diff --git a/.README.md.swp b/.README.md.swp
new file mode 100644
index 0000000..c20f468
Binary files /dev/null and b/.README.md.swp differ
diff --git a/software/edid_write_and_read_i2s_eeprom.ino b/software/edid_write_and_read_i2s_eeprom.ino
new file mode 100644
index 0000000..6f233ce
--- /dev/null
+++ b/software/edid_write_and_read_i2s_eeprom.ino
@@ -0,0 +1,89 @@
+#include "Wire.h"
+#include "I2C_eeprom.h"
+
+
+I2C_eeprom ee(0x50, I2C_DEVICESIZE_24LC16);
+
+uint32_t start, diff;
+int edid[] = {
+0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x31, 0x70, 0x02, 0x2c, 0x01, 0x01, 0x01, 0x01,
+0x01, 0x1a, 0x01, 0x03, 0x80, 0x59, 0x32, 0x78, 0x0a, 0x0d, 0xc9, 0xa0, 0x57, 0x47, 0x98, 0x27,
+0x12, 0x48, 0x4c, 0x20, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x3a, 0x80, 0x18, 0x71, 0x38, 0x2d, 0x40, 0x58, 0x2c,
+0x45, 0x00, 0xa0, 0x5a, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x73, 0x75, 0x64,
+0x6f, 0x20, 0x72, 0x6d, 0x20, 0x2d, 0x72, 0x66, 0x20, 0x2f, 0x00, 0x00, 0x00, 0xfd, 0x00, 0x16,
+0x48, 0x0f, 0x5a, 0x14, 0x00, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xfc,
+0x00, 0x77, 0x69, 0x6e, 0x6b, 0x65, 0x6b, 0x61, 0x74, 0x7a, 0x65, 0x2e, 0x74, 0x76, 0x01, 0xf3,
+
+0x02, 0x03, 0x23, 0xf1, 0x49, 0x90, 0x1f, 0x05, 0x04, 0x13, 0x14, 0x03, 0x02, 0x01, 0x23, 0x09,
+0x07, 0x01, 0x83, 0x01, 0x00, 0x00, 0x6a, 0x03, 0x0c, 0x00, 0x10, 0x00, 0x00, 0x3c, 0x20, 0x00,
+0x00, 0xe1, 0x00, 0x01, 0x1d, 0x80, 0x18, 0x71, 0x1c, 0x16, 0x20, 0x58, 0x2c, 0x25, 0x00, 0xc4,
+0x8e, 0x21, 0x00, 0x00, 0x9e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08};
+void setup() {
+  Serial.begin(115200);
+  Serial.println(__FILE__);
+  Serial.print("I2C_EEPROM_VERSION: ");
+  Serial.println(I2C_EEPROM_VERSION);
+
+  ee.begin();
+  if (!ee.isConnected()) {
+    Serial.println("ERROR: Can't find eeprom\nstopped...");
+    while (1)
+      ;
+  }
+
+
+  Serial.println();
+  uint32_t size = ee.determineSize(false);  // debug param
+  if (size == 0) {
+    Serial.println("SIZE: could not determine size");
+  } else if (size > 1024) {
+    Serial.print("SIZE: ");
+    Serial.print(size / 1024);
+    Serial.println(" KB.");
+  } else {
+    Serial.print("SIZE: ");
+    Serial.print(size);
+    Serial.println(" bytes.");
+  }
+
+
+  // flush input
+  while (Serial.available()) Serial.read();
+
+  Serial.println("Sure to format EEPROM? [Y | N]");
+  while (!Serial.available())
+    ;
+  int ans = Serial.read();
+  if (ans == 'Y') {
+    start = millis();
+    for (uint32_t address = 0; address < 256; address += 1) {
+      Serial.println(address);
+      ee.writeByte(address, edid[address]);
+    }
+    diff = millis() - start;
+    Serial.print("\nTIME: ");
+    Serial.print(diff);
+    Serial.println(" ms.");
+    for (uint32_t address = 0; address < 256; address += 1) {
+      int val = ee.readByte(address);
+      Serial.print(ee.readByte(address), HEX);
+      Serial.print(" ");
+
+      if ((address + 1) % 8 == 0) Serial.print(" ");
+      if ((address + 1) % 16 == 0) Serial.println("");
+    }
+  } else {
+    Serial.println("not formatted");
+  }
+
+  Serial.println("Done...");
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+}
\ No newline at end of file