made the serial debug output a bit nicer

analog_system_monitor_arduino/analog_system_monitor_arduino.ino

@@ -34,6 +34,31 @@ uint8_t pwmPins[NUM_CHANNELS] = {
 const uint32_t pwmFrequency = 25000; // 25 kHz
 const uint8_t pwmResolution = 10;    // 10-bit resolution (0–1023)
 
+// -------------------------------
+// Channel labels for debugging
+// -------------------------------
+const char* channelLabels[NUM_CHANNELS] = {
+  "CPU Load",
+  "CPU Temp",
+  "RAM Usage",
+  "GPU Load",
+  "GPU Temp",
+  "VRAM Usage",
+  "Reserved 6",
+  "Reserved 7"
+};
+
+const char* channelUnits[NUM_CHANNELS] = {
+  "%",     // CPU Load
+  "°C",    // CPU Temp
+  "%",     // RAM Usage
+  "%",     // GPU Load
+  "°C",    // GPU Temp
+  "%",     // VRAM Usage
+  "",      // Reserved
+  ""       // Reserved
+};
+
 // -------------------------------
 // Calibration tables
 // -------------------------------
@@ -50,7 +75,6 @@ float calibratedPoints[NUM_CHANNELS][5] = {
   {0.0f, 26.0f, 50.0f, 76.0f, 99.0f}
 };
 
-
 // -------------------------------
 // Duty tracking + Slew system
 // -------------------------------
@@ -99,26 +123,22 @@ void setup() {
   Serial.print("Firmware: ");
   Serial.println(FIRMWARE_VERSION);
 
-  // LEDC PWM init (ESP32 Core 3.x API)
+  // LEDC PWM init
   for (int ch = 0; ch < NUM_CHANNELS; ch++) {
     bool ok = ledcAttach(pwmPins[ch], pwmFrequency, pwmResolution);
     if (!ok) {
       Serial.print("LEDC attach failed on pin ");
       Serial.println(pwmPins[ch]);
     }
-    ledcWrite(pwmPins[ch], 0);  // duty = 0%
+    ledcWrite(pwmPins[ch], 0);
   }
 
-  // -------------------------------
+  // WiFi Manager
-  // WiFi Manager (Captive Portal)
-  // -------------------------------
   WiFiManager wm;
-
   wm.setHostname("AnalogMonitor");
-  wm.setTimeout(180);  // 3 minutes before giving up
+  wm.setTimeout(180);
 
   Serial.println("Starting WiFiManager...");
-
   bool res = wm.autoConnect("AnalogMonitor-Setup");
 
   if (!res) {
@@ -131,7 +151,6 @@ void setup() {
   Serial.print("IP: ");
   Serial.println(WiFi.localIP());
 
-  // UDP init
   udp.begin(listenPort);
   Serial.print("Listening on UDP port ");
   Serial.println(listenPort);
@@ -169,22 +188,28 @@ void loop() {
         slewStartDuty[ch] = currentDuty[ch];
       }
       slewStartTime = millis();
-
       lastPacketTime = millis();
 
-      // Debug output
+      // -------- Improved Debug Output --------
       Serial.println("Received UDP packet:");
       for (int i = 0; i < NUM_CHANNELS; i++) {
         Serial.print("  CH");
         Serial.print(i);
-        Serial.print(": ");
+        Serial.print(" (");
-        Serial.println(values[i]);
+        Serial.print(channelLabels[i]);
+        Serial.print("): ");
+        Serial.print(values[i], 2);
+        if (channelUnits[i][0] != '\0') {
+          Serial.print(" ");
+          Serial.print(channelUnits[i]);
+        }
+        Serial.println();
       }
       Serial.println();
     }
   }
 
-  // -------- Slew-rate limiting (only when NOT in watchdog mode) --------
+  // -------- Slew-rate limiting --------
   if (millis() - lastPacketTime <= watchdogTimeout) {
 
     unsigned long now = millis();
@@ -202,7 +227,7 @@ void loop() {
     }
   }
 
-  // -------- Watchdog fade-to-zero (UDP-based) --------
+  // -------- Watchdog fade-to-zero --------
   if (millis() - lastPacketTime > watchdogTimeout) {
 
     const unsigned long fadeInterval = 1;