add receiver

receive-arduino/receive-arduino.ino

@@ -0,0 +1,23 @@
+#include <SoftwareSerial.h>
+
+SoftwareSerial lora(8, 9); // RX, TX
+
+String line;
+
+void setup() {
+  Serial.begin(115200);
+  lora.begin(9600);
+}
+
+void loop() {
+  while (lora.available()) {
+    char c = lora.read();
+
+    if (c == '\n') {
+      Serial.println(line);
+      line = "";
+    } else {
+      line += c;
+    }
+  }
+}