use simulated telem mode if bus 3 isn't present.

cubesatsim/cubesatsim.ino

@@ -100,15 +100,19 @@ void setup() {
 // configure STEM Payload sensors	
   start_payload();  // above code not working, so forcing it
 	
-  read_reset_count();		
+  read_reset_count();	
 	
+/*	
   sim_mode = FALSE;
   if (sim_mode)
     config_simulated_telem();
   else
     ; // configure ina219s
-    	  
-  start_ina219();	
+*/    	  
+  start_ina219();
+	
+  if (i2c_bus3 == false) {
+    configure_simulated_telem();	  
     
   config_telem();