diff --git a/README.md b/README.md
index 6d5b64d5..8c6400aa 100644
--- a/README.md
+++ b/README.md
@@ -140,8 +140,8 @@ Hereafter described is the default *plain* format, which uses MSB bit numbering.
 
   	byte 1-2:	Battery or USB Voltage [mV], 0 if no battery probe
 	byte 3-10:	Uptime [seconds]
-	bytes 11-14: 	CPU temperature [°C]
-	bytes 15-18:	Free RAM [bytes]
+	byte 11: 	CPU temperature [°C]
+	bytes 12-15:	Free RAM [bytes]
 
 **Port #3:** Device configuration query result
 
diff --git a/platformio.ini b/platformio.ini
index 98296872..ce164811 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -28,12 +28,12 @@ env_default = generic
 description = Paxcounter is a proof-of-concept ESP32 device for metering passenger flows in realtime. It counts how many mobile devices are around.
 
 [common_env_data]
-platform_espressif32 = espressif32@1.2.0
+platform_espressif32 = espressif32@1.3.0
 ;platform_espressif32 = https://github.com/platformio/platform-espressif32.git#feature/stage
 board_build.partitions = no_ota.csv
 lib_deps_all =
 lib_deps_display =
-    U8g2@>=2.23.12
+    U8g2@>=2.23.16
 lib_deps_rgbled =
     SmartLeds@>=1.1.3
 lib_deps_gps =
@@ -44,13 +44,13 @@ build_flags =
 ; otherwise device may leak RAM
 ;
 ; None
-; -DCORE_DEBUG_LEVEL=0
+ -DCORE_DEBUG_LEVEL=0
 ; Error
 ; -DCORE_DEBUG_LEVEL=1
 ; Warn
- -DCORE_DEBUG_LEVEL=2
+; -DCORE_DEBUG_LEVEL=2
 ; Info
-; -DCORE_DEBUG_LEVEL=3
+ -DCORE_DEBUG_LEVEL=3
 ; Debug
 ; -DCORE_DEBUG_LEVEL=4
 ; Verbose