diff --git a/platformio_orig.ini b/platformio_orig.ini
index 100ede8a..507058a6 100644
--- a/platformio_orig.ini
+++ b/platformio_orig.ini
@@ -16,10 +16,10 @@
 ;halfile = ttgov1.h
 ;halfile = ttgov2.h
 ;halfile = ttgov21old.h
-;halfile = ttgov21new.h
+halfile = ttgov21new.h
 ;halfile = ttgofox.h
 ;halfile = ttgobeam.h
-halfile = ttgobeam10.h
+;halfile = ttgobeam10.h
 ;halfile = ttgotdisplay.h
 ;halfile = ttgotwristband.h
 ;halfile = fipy.h
@@ -48,7 +48,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 3.1.0
+release_version = 3.1.1
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 3
@@ -56,7 +56,7 @@ extra_scripts = pre:build.py
 otakeyfile = ota.conf
 lorakeyfile = loraconf.h
 lmicconfigfile = lmic_config.h
-platform_espressif32 = espressif32@3.4.0
+platform_espressif32 = espressif32@3.5.0
 monitor_speed = 115200
 upload_speed = 115200 ; set by build.py and taken from hal file
 display_library = ; set by build.py and taken from hal file
diff --git a/src/hal/ttgov21new.h b/src/hal/ttgov21new.h
index 71c22bca..5e0d0dd9 100644
--- a/src/hal/ttgov21new.h
+++ b/src/hal/ttgov21new.h
@@ -16,10 +16,11 @@
 #define CFG_sx1276_radio 1 // HPD13A LoRa SoC
 
 // enable only if you want to store a local paxcount table on the device
-#define HAS_SDCARD  2      // // this board has a SDMMC card-reader/writer
+#define HAS_SDCARD  2      // this board has a SDMMC card-reader/writer
 
-#define HAS_DISPLAY 1
-#define HAS_LED (25) // green on board LED
+//#define HAS_DISPLAY 1
+//#define HAS_LED (25) // green on board LED
+#define HAS_LED NOT_A_PIN
 #define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
 #define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board
 
diff --git a/src/paxcounter_orig.conf b/src/paxcounter_orig.conf
index 0fe927b9..ede57963 100644
--- a/src/paxcounter_orig.conf
+++ b/src/paxcounter_orig.conf
@@ -14,7 +14,7 @@
 
 // Payload send cycle and encoding
 #define SENDCYCLE                       30      // payload send cycle [seconds/2], 0 .. 255
-#define SLEEPCYCLE                      0       // sleep time after a send cycle [seconds/10], 0 .. 65535; 0 means no sleep [default = 0]
+#define SLEEPCYCLE                      1800    // sleep time after a send cycle [seconds/10], 0 .. 65535; 0 means no sleep [default = 0]
 #define PAYLOAD_ENCODER                 2       // payload encoder: 1=Plain, 2=Packed, 3=Cayenne LPP dynamic, 4=Cayenne LPP packed
 #define COUNTERMODE                     0       // 0=cyclic, 1=cumulative, 2=cyclic confirmed