diff --git a/avr/devices/n23/main/data.asm b/avr/devices/n23/main/data.asm
index 20b822c..31ccc2f 100644
--- a/avr/devices/n23/main/data.asm
+++ b/avr/devices/n23/main/data.asm
@@ -12,8 +12,3 @@
 .dseg
 
 
-programRamBegin:
-  programRamSensorTimer: .byte 1 ; seconds counter
-  programRamStatsTimer:  .byte 1 ; minutes counter
-programRamEnd:
-
diff --git a/avr/devices/n23/main/main.asm b/avr/devices/n23/main/main.asm
index 67a67ae..807b993 100644
--- a/avr/devices/n23/main/main.asm
+++ b/avr/devices/n23/main/main.asm
@@ -77,6 +77,9 @@
 
 #define APPS_NETWORK
 #define APPS_MOTION
+#define APPS_REPORTSENSORS
+#define APPS_STATS
+
 
 
 ; ---------------------------------------------------------------------------
@@ -158,58 +161,6 @@ onSystemStart:
 
 
 
-; ---------------------------------------------------------------------------
-; @routine systemSetSpeed
-;
-; Called every 100ms. Add your routine calls here. No arguments, no results.
-
-systemSetSpeed:
-.if clock == 8000000
-  ldi r16, (1<<CLKPCE)
-  ldi r17, 0
-  out CLKPR, r16
-  out CLKPR, r17
-.endif
-
-.if clock == 1000000
-  ldi r16, (1<<CLKPCE)
-  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
-  out CLKPR, r16
-  out CLKPR, r17
-.endif
-
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine systemInitHardware
-;
-
-systemInitHardware:
-  ; set all ports as inputs and enable internal pull-up resistors
-  ldi r16, 0xff
-  clr r17
-.ifdef PORTA
-  out DDRA, r17  ; all input
-  out PORTA, r16 ; enable pull-up on all
-.endif
-
-.ifdef PORTB
-  out DDRB, r17  ; all input
-  out PORTB, r16 ; enable pull-up on all
-.endif
-
-.ifdef PORTC
-  out DDRC, r17  ; all input
-  out PORTC, r16 ; enable pull-up on all
-.endif
-  ret
-; @end
-
-
-
 ; ---------------------------------------------------------------------------
 ; @routine onMessageReceived
 ;
@@ -228,94 +179,21 @@ onMessageReceived:
 ; Called every 100ms. Add your routine calls here. No arguments, no results.
 
 onEvery100ms:
-  ; nothing to do here (all done in devices/all/main.asm)
-  ret
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine onEverySecond
-
 onEverySecond:
-  lds r16, programRamSensorTimer
-  inc r16
-  cpi r16, PROGRAM_SENSOR_INTERVAL_SECS
-  brcs onEverySecond_store
-  clr r16
-onEverySecond_store:
-  sts programRamSensorTimer, r16
-  cpi r16, 1
-  breq onEverySecond_measureValue1
-  cpi r16, 19
-  breq onEverySecond_measureValue2
-  cpi r16, 39
-  breq onEverySecond_sendValue1
-  cpi r16, 49
-  breq onEverySecond_sendValue2
-  ret
-onEverySecond_measureValue1:
-  rjmp SI7021_MeasureTemp
-onEverySecond_measureValue2:
-  rjmp SI7021_MeasureHumidity
-onEverySecond_sendValue1:
-  rjmp SI7021_SendTemperature
-onEverySecond_sendValue2:
-  rjmp SI7021_SendHumidity
-; @end
-
-
-
-; ---------------------------------------------------------------------------
-; @routine onEveryMinute
-
 onEveryMinute:
-  rcall checkSendStats
-  ret
-; @end
-
-
-
 onEveryHour:
 onEveryDay:
   ret
+; @end
 
 
 
-checkSendStats:
-  lds r16, programRamStatsTimer
-  inc r16
-  cpi r16, PROGRAM_STATS_INTERVAL_MINS
-  brcs checkSendStats_store
-  clr r16
-checkSendStats_store:
-  sts programRamStatsTimer, r16
-  ldi yl, LOW(netInterfaceData)
-  ldi yh, HIGH(netInterfaceData)
-  cpi r16, 1
-  breq checkSendStats_sendDevice
-  cpi r16, 2
-  breq checkSendStats_sendTxdStats
-  cpi r16, 3
-  breq checkSendStats_sendRxdStats
-  ret
-checkSendStats_sendTxdStats:
-  rjmp AppNetwork_SendTxdStats
-checkSendStats_sendRxdStats:
-  rjmp AppNetwork_SendRxdStats
-checkSendStats_sendDevice:
-  rjmp AppNetwork_SendDevice
-
-
 
 ; ***************************************************************************
 ; includes
 
+.include "devices/all/hw_tn84.asm"
 .include "devices/all/includes.asm"
-.include "apps/network/stats.asm"
-.include "modules/network/msg/sendstats-w.asm"
-.include "modules/network/msg/recvstats-w.asm"
-.include "modules/network/msg/device-w.asm"