@@ -3,7 +3,7 @@
 import time
 
 port = serial.Serial(
-    port='COM4',
+    port='COM6',
     baudrate=115200,
     parity=serial.PARITY_NONE,
     stopbits=serial.STOPBITS_ONE,	
@@ -22,7 +22,7 @@ def upload(path):
             if not line: continue
             if len(line) > 128:
                 raise 'Line is too long: %s' % (line)
-            #print('sending: ' + line)
+            print('sending: ' + line)
             port.write(line)        
             port.write('\n')
             response_buffer = []        
 
@@ -79,9 +79,7 @@ exception: ECHECKSUM
 
 : convert ( lsb-byte msb-byte -- value )
     { hex: 7F and 8 lshift or } keep
-    dup 128 and 0= if
-        drop
-    else
+    128 and 0<> if
         0 swap -
     then ;
 
 
@@ -7,7 +7,7 @@ variable: server
         ['] dht-measure catch ?dup 0<> 
         if
             ex-type cr
-            4000 ms
+            5000 ms
         else
             unloop exit
         then
@@ -25,8 +25,11 @@ variable: server
     ['] send catch dispose throw ;
 
 : log-measurement ( -- )
-    { measure log } catch ?dup 0<> 
-    if
+    { 
+        measure 
+        2dup log 500 ms log 
+    } 
+    catch ?dup 0<> if
         ex-type cr
     then ;