Say that batch was receive

main.go

@@ -74,6 +74,8 @@ func handler(w http.ResponseWriter, r *http.Request) {
 		)
 	}
 
+	log.Println("Got batch!")
+
 	w.WriteHeader(http.StatusOK)
 	w.Write([]byte("ok"))
 }

main/station_example_main.c

@@ -192,7 +192,7 @@ static void measure_task(void *arg)
             count = 0;
         }
 
-        int jitter = (rand() % 10) - 5; // ±2 ms random
+        int jitter = rand() % 41;  // 0..40 ms
         vTaskDelayUntil(&last_wake,
                         pdMS_TO_TICKS(SAMPLE_PERIOD_MS + jitter));
     }

plot.py

@@ -30,7 +30,7 @@ with open(filepath, "r") as f:
 
 # Plot
 plt.figure(figsize=(12, 5))
-plt.scatter(timestamps, voltages, marker='o', linestyle='-', s=0.1)
+plt.scatter(timestamps, voltages, marker='o', linestyle='-', s=0.2)
 
 plt.xlabel("Time (CET)")
 plt.ylabel("Voltage (V)")