diff --git a/receive-arduino/receive-arduino.ino b/receive-arduino/receive-arduino.ino
index 23bf03b..0849cbf 100644
--- a/receive-arduino/receive-arduino.ino
+++ b/receive-arduino/receive-arduino.ino
@@ -2,6 +2,8 @@
 
 SoftwareSerial lora(8, 9); // RX, TX
 
+bool test_with_fake = false;
+
 String line;
 
 void setup() {
@@ -10,14 +12,37 @@ void setup() {
 }
 
 void loop() {
-  while (lora.available()) {
-    char c = lora.read();
+  if (!test_with_fake) {
+    while (lora.available()) {
+      char c = lora.read();
+      if (c == '\n') {
+        Serial.println(line);
+        line = "";
+      } else {
+        line += c;
+      }
+    }
+  } else {
+    while (1) {
+      int speed = random(0, 51);
+      int rpm   = random(0, 3000);
+      int power = random(0, 1500);
+      float eff = random(0, 1000) / 10.0;
+      int bat   = random(0, 100);
+      float tens = random(360, 550) / 10.0;
+      float amp  = random(0, 300) / 10.0;
+      int warn  = random(0, 7);
 
-    if (c == '\n') {
-      Serial.println(line);
-      line = "";
-    } else {
-      line += c;
+      Serial.print(speed); Serial.print(',');
+      Serial.print(rpm); Serial.print(',');
+      Serial.print(power); Serial.print(',');
+      Serial.print(eff, 1); Serial.print(',');
+      Serial.print(bat); Serial.print(',');
+      Serial.print(tens, 1); Serial.print(',');
+      Serial.print(amp, 1); Serial.print(',');
+      Serial.println(warn);
+
+      delay(50);
     }
   }
 }