diff --git a/firmware/esp32/include/config.h b/firmware/esp32/include/config.h
index 895c7d2..ee335cb 100644
--- a/firmware/esp32/include/config.h
+++ b/firmware/esp32/include/config.h
@@ -14,7 +14,13 @@
 #define MQTT_USER "your_username"
 #define MQTT_PASS "your_password"
 
-// Hardware
+#define CMD_GET_MOISTURE        0x01
+#define CMD_GET_SENSOR_READS    0x02
+#define CMD_GET_MOISTURE_MIN    0x03
+#define CMD_GET_MOISTURE_MAX    0x04
+#define CMD_SET_SENSOR_READS    0x05   // [cmd, value]
+#define CMD_SET_PARAMS          0x06   // [cmd, min, max, reads]
+#define CMD_FORCE_PUMP          0x07   // [cmd]
 
 // Change based on how many vases max to manage [1 to ~100]
 // larger numberss will require larger arrays stored in memory