add M0 and M1 pin and change serial pins

cocomobile-arduino/cocomobile-arduino.ino

@@ -1,23 +1,29 @@
 #include <SoftwareSerial.h>
 const float TENSION_SCALE = 15.701;
-const float CURRENT_SCALE = 27.322;
+const float CURRENT_SCALE = 31.25;
 const float ADC_TO_VOLT = 5.0 / 1023.0;
 
-SoftwareSerial lora(8, 9); // RX, TX
+SoftwareSerial lora(10, 9); // RX, TX
 
 float tens = 0;
 float amp = 0;
 
-String line;
+String line = "";
 
 void setup() {
   lora.begin(9600);
   Serial.begin(115200);
+  pinMode(11, OUTPUT);
+  pinMode(12, OUTPUT);
+  digitalWrite(11, LOW); // M1
+  digitalWrite(12, LOW); // M0
 }
 
 void loop() {
   tens = (analogRead(A1) * ADC_TO_VOLT * TENSION_SCALE);
-  amp  = (analogRead(A0) * ADC_TO_VOLT * CURRENT_SCALE);
+  amp  = analogRead(A2);
+  if (amp < 505) amp = 505;
+  amp = (amp - 505) * ADC_TO_VOLT * CURRENT_SCALE;
 
   Serial.print(tens);
   Serial.print(",");
@@ -33,4 +39,5 @@ void loop() {
       line += c;
     }
   }
+  delay(100);
 }

receive-arduino/receive-arduino.ino

@@ -1,14 +1,18 @@
 #include <SoftwareSerial.h>
 
-SoftwareSerial lora(8, 9); // RX, TX
+SoftwareSerial lora(10, 9); // RX, TX
 
 bool test_with_fake = false;
 
-String line;
+String line = "";
 
 void setup() {
   Serial.begin(115200);
   lora.begin(9600);
+  pinMode(11, OUTPUT);
+  pinMode(12, OUTPUT);
+  digitalWrite(11, LOW); // M1
+  digitalWrite(12, LOW); // M0
 }
 
 void loop() {