battery sensor

receiver-arduino/receiver-arduino.ino

@@ -14,12 +14,12 @@ RH_ASK driver(RH_SPEED, RH_RX_PIN);
 
 float t = 0;
 float h = 0;
-uint8_t bat_percent = 0;
-uint8_t bat_raw = 0;
+long bat = 0;
 
 #define MSG_START 0x00
 #define MSG_TEMP 0x01
 #define MSG_HUMID 0x02
+#define MSG_BAT 0x03
 #define MSG_ERR 0xee
 
 void setup() {
@@ -55,6 +55,13 @@ void loop() {
           Serial.print(t);
           Serial.print("%");
           break;
+        case MSG_BAT:
+          // battery data
+          Serial.println("0x03 Battery");
+          memcpy(&bat, &rh_buf[1], 4);
+          Serial.print(bat);
+          Serial.print("mV");
+          break;          
         case MSG_ERR:
           // error
           Serial.println("0xEE error");