diff --git a/README.md b/README.md
index 8ec3a18..ef2d3cc 100644
--- a/README.md
+++ b/README.md
@@ -44,9 +44,9 @@ CAD files (OpenSCAD) and source code included.
             RSV   (0)D3 -- BMP_SDA        .---- GND
             RSV   (2)D4 -- BMP_SCL        |     ...
             RSV     3V3 -- BMP_VCC        | .--- 5V
-            RSV     GND -- BMP_GND        | |   ...
-            GND      D5                   | |   ...
-            3V3      D6 ------------.     | |
+            RSV   .-GND -- BMP_GND        | |   ...
+            GND  =C= D5                   | |   ...
+            3V3   '- D6 ------------.     | |
             GND      D7 -- DHT_DATA  \    +-| --------- GND
             3V3      D8               \   | +----------  5V
              EN      RX                '- | ----------- VIN  
diff --git a/src/main.cpp b/src/main.cpp
index 496dc59..dad92b0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -92,6 +92,7 @@ SDS011 sds;
 volatile unsigned long geiger_counts = 0;
 unsigned long geiger_previousMillis;
 unsigned long last_dhcp = 0;
+unsigned long previousMillis = 0;
 IPAddress ip, dns, gateway, subnet;
 char ssid[64];
 char password[64];
@@ -123,7 +124,7 @@ void fpm_wakup_cb_func1(void) {
   //ESP.wdtFeed();
   //wifi_fpm_do_wakeup();
   wifi_fpm_close();
-  //geiger_counts++;
+  geiger_counts++;
 }
 
 void lightsleep() {
@@ -163,7 +164,7 @@ void ICACHE_FLASH_ATTR sendValues() {
 
 //  sds.sleep();
 
-  if (rtcMillis() - geiger_previousMillis > 60000) {
+  if (rtcMillis() - geiger_previousMillis > 10000) {
     sd.cpm = geiger_counts * 60000 / (rtcMillis() - geiger_previousMillis);
     geiger_previousMillis = rtcMillis();
     geiger_counts = 0;
@@ -367,10 +368,11 @@ void ICACHE_FLASH_ATTR sendValues() {
 
 }
 
-
-void ICACHE_RAM_ATTR ISR_geiger_impulse() {
+// geiger event when gpio pulled low (called vin on board)
+/*void ICACHE_RAM_ATTR ISR_geiger_impulse() {
   geiger_counts++;
-}
+  DEBUG_MSG("X");
+}*/
 
 
 void setup() {
@@ -381,6 +383,8 @@ void setup() {
   pinMode(LED_BUILTIN, OUTPUT);
   digitalWrite(LED_BUILTIN, HIGH);  // turn OFF board led
 
+  //wifi_status_led_uninstall();
+
   sds.begin(SDS_TX, SDS_RX);
   sds.mode_mon_300();
 
@@ -392,14 +396,27 @@ void setup() {
   dht.begin();
 
   pinMode(GEIGER_PIN, INPUT);
-  attachInterrupt(digitalPinToInterrupt(GEIGER_PIN), ISR_geiger_impulse, FALLING);
+  //attachInterrupt(digitalPinToInterrupt(GEIGER_PIN), ISR_geiger_impulse, FALLING);
 
   geigeraverage.clear();
 
+  previousMillis = millis();
+
   DEBUG_MSG("ready.\n"); Serial.flush();
 }
 
 void loop() {
-  sendValues();
-  delay(postingInterval);
+  unsigned long currentMillis = rtcMillis();
+  if ((currentMillis - previousMillis) >= postingInterval) {
+    previousMillis = currentMillis;
+    DEBUG_MSG("sending values... previousMillis:%u, millis():%u, difference:%d\n", previousMillis, currentMillis, currentMillis-previousMillis);
+    sendValues();
+    DEBUG_MSG("resetting geiger counts. was: %d\n", geiger_counts);
+    geiger_previousMillis = rtcMillis();
+    geiger_counts = 0;
+  }
+  DEBUG_MSG("sleeping now... (%u)\n", currentMillis);
+  delay(10);
+  lightsleep();
+  delay(10); // debounce?
 }