esp attempt, stock + unit type

SekiScaleESP/src/main.cpp

@@ -0,0 +1,39 @@
+#include <Arduino.h>
+
+const int triggerPin = D2;
+bool lastState = HIGH;
+
+void setup() {
+    Serial.begin(115200);
+    randomSeed(analogRead(0)); 
+    
+    pinMode(LED_BUILTIN, OUTPUT);
+    pinMode(triggerPin, INPUT_PULLUP);
+
+    // Flash LED to signal boot
+    digitalWrite(LED_BUILTIN, LOW);
+    delay(500);
+    digitalWrite(LED_BUILTIN, HIGH);
+}
+
+void loop() {
+    bool currentState = digitalRead(triggerPin);
+
+    // Detect when D4 touches GND (Falling Edge)
+    if (currentState == LOW && lastState == HIGH) {
+        int randomWeight = random(100, 5000); 
+        
+        // Output formatted for easy parsing
+        Serial.print("WEIGHT:");
+        Serial.println(randomWeight);
+
+        // Visual feedback
+        digitalWrite(LED_BUILTIN, LOW);
+        delay(100);
+        digitalWrite(LED_BUILTIN, HIGH);
+        
+        delay(250); // Debounce
+    }
+
+    lastState = currentState;
+}