diff --git a/Mega2560-MiCS6814-Client/Mega2560-MiCS6814-Client.ino b/Mega2560-MiCS6814-Client/Mega2560-MiCS6814-Client.ino
new file mode 100644
index 0000000..438e5ef
--- /dev/null
+++ b/Mega2560-MiCS6814-Client/Mega2560-MiCS6814-Client.ino
@@ -0,0 +1,79 @@
+#include <Wire.h>
+
+#define I2C_ADDR 0x04
+
+// I2C Communication (Taken from Groove sensor, hoping to use the same library on client side)
+#define CMD_ADC_NH3             1     // NH3 channel
+#define CMD_ADC_CO              2     // CO channel
+#define CMD_ADC_NO2             3     // NO2 channel
+#define CMD_ADC_ALL             4     // All channels
+#define CMD_CHANGE_I2C          5     // I2C address change
+#define CMD_READ_EEPROM         6     // Read stored data from EEPROM as unsigned int
+#define CMD_SET_R0_ADC          7     // Set R0 ADC value
+#define CMD_GET_R0_ADC          8     // Get R0 ADC value
+#define CMD_GET_R0_ADC_DEFAULT  9     // Get factory R0 ADC value
+#define CMD_CONTROL_LED         10    // Control LED (no LED on my board, but Groove supports is, so ... meh!)
+#define CMD_CONTROL_PWR         11    // Heater control
+
+// EEPROM Addresses (Match Groove addresses)
+#define EEPROM_INIT_DONE        0
+#define EEPROM_DEFAULT_ADC_NH3  2
+#define EEPROM_DEFAULT_ADC_CO   4
+#define EEPROM_DEFAULT_ADC_NO2  6
+#define EEPROM_ADC_NH3          8
+#define EEPROM_ADC_CO           10
+#define EEPROM_ADC_NO2          12
+#define EEPROM_I2C_ADDR         20
+
+
+void setup() {
+  Serial.begin(115200);
+  // Connect to sensor through wire lib directly
+  Wire.begin(D3, D4);
+
+  // Check version
+  Wire.beginTransmission(I2C_ADDR);
+  Wire.write(CMD_READ_EEPROM);
+  Wire.write(EEPROM_INIT_DONE);
+  Wire.endTransmission();
+  uint8_t returned = Wire.requestFrom(I2C_ADDR, 2);
+  if (returned == 2 && Wire.available() == 2) {
+    uint8_t msb = Wire.read();
+    uint8_t lsb = Wire.read();
+    Serial.print("Init data: ");
+    Serial.println((msb << 8) | lsb);
+  } else {
+    Serial.println("ERROR 1234: Unexpected data!");
+  }
+
+  // Activate Heater
+  Wire.beginTransmission(I2C_ADDR);
+  Wire.write(CMD_CONTROL_PWR);
+  Wire.write(1);
+  Wire.endTransmission();
+}
+
+void loop() {
+  // Grab all data
+  Wire.beginTransmission(I2C_ADDR);
+  Wire.write(CMD_ADC_ALL);
+  Wire.endTransmission();
+  uint8_t ret = Wire.requestFrom(I2C_ADDR, 6);
+  if (ret == 6 && Wire.available() == 6) {
+    uint16_t data[3];
+    for (uint8_t i = 0; i < 3; ++i) {
+      uint8_t msb = Wire.read();
+      uint8_t lsb = Wire.read();
+      data[i] = (msb << 8) | lsb; 
+    }
+    Serial.print(data[0]);
+    Serial.print("\t");
+    Serial.print(data[1]);
+    Serial.print("\t");
+    Serial.println(data[2]);
+  } else {
+    Serial.println("Request error!");
+  }
+
+  delay(50);
+}