 
 void iot_setup(){
     // client from WiFi client
+    Serial.println("IoT client");
+
     WiFiClient  client;
     ThingSpeak.begin(client);
 }
 
 void iot_send_data(){
+    Serial.println("posting to cloud");
+
     ThingSpeak.setField(1,t);
-    ThingSpeak.setField(2,f);
-    ThingSpeak.setField(3,h);
-    ThingSpeak.setField(4,ntp_epoch_in_seconds);
-    ThingSpeak.setField(5,pir_last_motion);
-    ThingSpeak.setField(6,sr_cm);
+    //ThingSpeak.setField(2,f);
+    //ThingSpeak.setField(3,h);
+    //ThingSpeak.setField(4,ntp_epoch_in_seconds);
+    //ThingSpeak.setField(5,pir_last_motion);
+    //ThingSpeak.setField(6,sr_cm);
 
     // Write the fields that you've set all at once.
     ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);  


// my home network
// -------------------------------------
const char* ssid = "Lincoln Manor";
const char* password = "...---... sos ...---...";

// Notre Dame public WiFi
// -------------------------------------
// const char* ssid = "ND-guest";
// const char* password = "";

// Roost class network
// -------------------------------------

  pir_chk_motion();

  // check proximity every 1 second
  //if (millis() - sr_last > 1000) {
  //  sr_last = millis();
  //  sr_ping();
  //}

  // update display and serial every 5 seconds
  if (millis() - display_last > 5000) {
