diff --git a/Makefile b/Makefile
index 3840052..ce61547 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 help:
 	# plot - Plot the latest measurement
-	# monitor - Build and monitor onto esp if connected to /dev/ttyUSB0
+	# mon - Monitor onto esp if connected to /dev/ttyUSB0
+	# push - Build and monitor onto esp if connected to /dev/ttyUSB0
 	# env - Start the esp environment on nix
 	# server - Start the go server
 	
diff --git a/main/station_example_main.c b/main/station_example_main.c
index 1d5bd07..fe37693 100755
--- a/main/station_example_main.c
+++ b/main/station_example_main.c
@@ -1,9 +1,9 @@
 /*
- Voltage measurement device over WiFi (batched, 30 Hz)
+ Voltage measurement device over WiFi (batched, ~30 Hz with jitter)
 */
 
 #include <string.h>
-
+#include <stdlib.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "freertos/event_groups.h"
@@ -11,7 +11,6 @@
 #include "esp_event.h"
 #include "esp_log.h"
 #include "nvs_flash.h"
-
 #include "esp_adc/adc_cali.h"
 #include "esp_adc/adc_oneshot.h"
 #include "esp_adc/adc_cali_scheme.h"
@@ -21,12 +20,12 @@
 
 #define SERVER_URL "http://192.168.178.157:8080/data"
 
-#define SAMPLE_RATE_HZ     30
+#define SAMPLE_RATE_HZ     20
 #define SAMPLE_PERIOD_MS  (1000 / SAMPLE_RATE_HZ)
 #define BATCH_SIZE        100
 
 #define CHANNEL ADC_CHANNEL_6
-#define CALIBRATION_FACTOR 1650.0f
+#define CALIBRATION_FACTOR 1600.0f
 
 #define EXAMPLE_ESP_WIFI_SSID      "Jaguar"
 #define EXAMPLE_ESP_WIFI_PASS      CONFIG_ESP_WIFI_PASSWORD
@@ -193,8 +192,9 @@ static void measure_task(void *arg)
             count = 0;
         }
 
+        int jitter = (rand() % 10) - 5; // ±2 ms random
         vTaskDelayUntil(&last_wake,
-                        pdMS_TO_TICKS(SAMPLE_PERIOD_MS));
+                        pdMS_TO_TICKS(SAMPLE_PERIOD_MS + jitter));
     }
 }