diff --git a/platformio.ini b/platformio.ini
index 280ada88..99ae625b 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -25,7 +25,8 @@ env_default = ttgobeam
 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@1.1.0
+;platform_espressif32 = espressif32@>=1.1.0
+platform_espressif32 = https://github.com/platformio/platform-espressif32.git
 board_build.partitions = no_ota.csv
 lib_deps_all =
 lib_deps_display =
@@ -40,8 +41,8 @@ build_flags =
 ; otherwise device may crash in dense environments due to serial buffer overflow
 ;
 ; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_NONE
-; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_INFO
-  -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
+ -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_INFO
+;  -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_DEBUG
 ; -DCORE_DEBUG_LEVEL=ARDUHAL_LOG_LEVEL_VERBOSE
 ;
 ; override lora settings from LMiC library in lmic/config.h and use main.h instead
@@ -117,6 +118,7 @@ lib_deps =
 build_flags = 
     ${common_env_data.build_flags}
     -include "src/hal/ttgobeam.h"
+    -DBOARD_HAS_PSRAM
 
 [env:fipy]
 platform = ${common_env_data.platform_espressif32}
@@ -161,6 +163,7 @@ lib_deps =
 build_flags =
     ${common_env_data.build_flags}
     -include "src/hal/lopy4.h"
+    -DBOARD_HAS_PSRAM
 
 [env:lolin32lite]
 platform = ${common_env_data.platform_espressif32}
diff --git a/src/hal/lopy4.h b/src/hal/lopy4.h
index ef6a4d77..6a799351 100644
--- a/src/hal/lopy4.h
+++ b/src/hal/lopy4.h
@@ -28,10 +28,10 @@
 //#define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown
 
 // uncomment this only if your LoPy runs on a expansion board 3.0
-//#define HAS_BATTERY_PROBE ADC1_GPIO39_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
-//#define BATT_FACTOR 2 // voltage divider 1MOhm/1MOhm on board
-//#define HAS_BUTTON GPIO_NUM_37 // (P14)
-//#define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown
+#define HAS_BATTERY_PROBE ADC1_GPIO39_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
+#define BATT_FACTOR 2 // voltage divider 1MOhm/1MOhm on board
+#define HAS_BUTTON GPIO_NUM_37 // (P14)
+#define BUTTON_PULLUP 1  // Button need pullup instead of default pulldown
 
 // uncomment this only if your LoPy runs on a expansion board 2.0
 //#define HAS_BATTERY_PROBE ADC1_GPIO39_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
diff --git a/src/paxcounter.conf b/src/paxcounter.conf
index 632b2544..b0973688 100644
--- a/src/paxcounter.conf
+++ b/src/paxcounter.conf
@@ -36,7 +36,7 @@
 #define	WIFI_CHANNEL_SWITCH_INTERVAL    50      // [seconds/100] -> 0,5 sec.
 
 // LoRa payload parameters
-#define PAYLOAD_ENCODER                 1       // select payload encoder: 1=Plain [default], 2=Packed, 3=CayenneLPP
+#define PAYLOAD_ENCODER                 2       // select payload encoder: 1=Plain [default], 2=Packed, 3=CayenneLPP
 #define SEND_SECS                       120     // payload send cycle [seconds/2] -> 240 sec.
 #define MEM_LOW                         2048    // [Bytes] low memory threshold triggering a send cycle
 #define RETRANSMIT_RCMD                 5       // [seconds] wait time before retransmitting rcommand results