diff --git a/avr/devices/0BUILD b/avr/devices/0BUILD
index 9d5e1b5..88c2402 100644
--- a/avr/devices/0BUILD
+++ b/avr/devices/0BUILD
@@ -7,6 +7,7 @@
     n06
     n11
     n12
+    n14
   </subdirs>
 
 </gwbuild>
diff --git a/avr/devices/n14/.gitignore b/avr/devices/n14/.gitignore
new file mode 100644
index 0000000..8e0618c
--- /dev/null
+++ b/avr/devices/n14/.gitignore
@@ -0,0 +1,2 @@
+*.eep.hex
+*.obj
diff --git a/avr/devices/n14/0BUILD b/avr/devices/n14/0BUILD
new file mode 100644
index 0000000..4c1ca39
--- /dev/null
+++ b/avr/devices/n14/0BUILD
@@ -0,0 +1,52 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="n14_main" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      n14_main.asm
+    </sources>
+
+
+  </target>
+
+
+
+  <target type="AvrHexFile" name="n14_boot" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      n14_boot.asm
+    </sources>
+
+
+  </target>
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+    n14_defs.asm
+  </extradist>
+  
+
+</gwbuild>
+
+
diff --git a/avr/devices/n14/n14_boot.asm b/avr/devices/n14/n14_boot.asm
new file mode 100644
index 0000000..a098163
--- /dev/null
+++ b/avr/devices/n14/n14_boot.asm
@@ -0,0 +1,124 @@
+; ***************************************************************************
+; Source file for base system node on AtTiny 85
+;
+; This is for the maintenance system (i.e. the flash loader).
+;
+; All definitions and changes should go into this file.
+;
+;
+; ***************************************************************************
+
+.equ clock=1000000 ; Define the clock frequency
+
+.nolist
+.include "include/tn85def.inc" ; Define device ATtiny85
+.list
+
+.include "n14_defs.asm"
+.include "defs.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+.include "common/utils_wait.asm"
+.include "modules/com2/defs.asm"
+.include "modules/comproto/defs.asm"
+
+
+; ---------------------------------------------------------------------------
+; firmware settings
+
+.equ FIRMWARE_VERSION_MAJOR       = 0
+.equ FIRMWARE_VERSION_MINOR       = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
+
+
+; ---------------------------------------------------------------------------
+; LED
+
+.equ LED_DDR             = DDRB
+.equ LED_PORT            = PORTB
+.equ LED_PIN             = PINB
+.equ LED_PINNUM          = PORTB4
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+  rjmp main ; Reset vector
+  reti ; EXT_INT0
+  reti ; PCI0
+  reti ; OC1A
+  reti ; OVF1
+  reti ; OVF0
+  reti ; ERDY
+  reti ; ACI
+  reti ; ADCC
+  reti ; OC1B
+  reti ; OC0A
+  reti ; OC0B
+  reti ; WATCHDOG
+  reti ; USI_STR
+  reti ; USI_OVF
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db 'N', 0
+devInfoVersion:      .db 14, 0                 ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart:   rjmp main ; will be overwritten when flashing
+
+
+
+; ***************************************************************************
+; main code
+
+
+.org BOOTLOADER_ADDR
+
+
+main:
+  rjmp bootLoader ; this routine is in modules/flash/proto.asm
+
+
+
+
+; ***************************************************************************
+; includes
+
+.include "modules/com2/lowlevel.asm"
+.include "modules/com2/crc.asm"
+.include "modules/com2/packets.asm"
+.include "common/crc8.asm"
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+.include "modules/flash/bootloader.asm"
+.include "modules/flash/flash.asm"
+.include "modules/flash/recv.asm"
+.include "modules/flash/send.asm"
+.include "modules/flash/wait.asm"
+.include "modules/flash/hdl_flash_start.asm"
+.include "modules/flash/hdl_flash_data.asm"
+.include "modules/flash/hdl_flash_end.asm"
+.include "modules/flash/flash_rsp.asm"
+.include "modules/flash/flash_ready.asm"
+
+
+
+
diff --git a/avr/devices/n14/n14_defs.asm b/avr/devices/n14/n14_defs.asm
new file mode 100644
index 0000000..b3bea1e
--- /dev/null
+++ b/avr/devices/n14/n14_defs.asm
@@ -0,0 +1,81 @@
+; ***************************************************************************
+; copyright   : (C) 2024 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+; ***************************************************************************
+;
+;                                 AtTiny85
+;                                 --------
+;                     /RESET PB5  1      8  VCC
+;                        OWI PB3  2      7  PB2  COM-ATTN
+;                        LED PB4  3      6  PB1  COM-DATA
+;                            GND  4      5  PB0  LEDSTRIP
+;                                 --------
+;
+; ***************************************************************************
+
+
+
+.equ BOOTLOADER_ADDR = 0xd00
+
+
+.equ FIRMWARE_VARIANT_BOOT        = 0
+.equ FIRMWARE_VARIANT_LEDSTRIPS   = 1
+
+
+; ---------------------------------------------------------------------------
+; LED module
+
+.equ LED_SIMPLE_ONTIME  = 3
+.equ LED_SIMPLE_OFFTIME = 30
+.equ LED_SIMPLE_DDR     = DDRB
+.equ LED_SIMPLE_PORT    = PORTB
+.equ LED_SIMPLE_PINNUM  = PORTB4
+
+
+
+; ---------------------------------------------------------------------------
+; COM module
+
+.equ COM_BIT_LENGTH      = 52000 ; 104000=9600, 52000=19200, 26000=38400
+
+.equ COM_DDR_DATA        = DDRB
+.equ COM_PORT_DATA       = PORTB
+.equ COM_PIN_DATA        = PINB
+.equ COM_PINNUM_DATA     = PORTB1
+
+.equ COM_DDR_ATTN        = DDRB
+.equ COM_PORT_ATTN       = PORTB
+.equ COM_PIN_ATTN        = PINB
+.equ COM_PINNUM_ATTN     = PORTB2
+
+.equ COM_IRQ_ADDR_ATTN   = PCMSK
+.equ COM_IRQ_BIT_ATTN    = PCINT2       ; bit 2 in PCMSK0 (PCINT2)
+.equ COM_IRQ_GIFR_ATTN   = PCIF
+.equ COM_IRQ_GIMSK_ATTN  = PCIE
+
+
+; ---------------------------------------------------------------------------
+; 1-Wire Master
+;
+
+.equ OWI_DDR     = DDRB
+.equ OWI_PORTOUT = PORTB
+.equ OWI_PORTIN  = PINB
+.equ OWI_PINNUM  = PORTB3
+
+
+; ---------------------------------------------------------------------------
+; SK6812
+
+.equ SK6812_DDR    = DDRB
+.equ SK6812_PORT   = PORTB
+.equ SK6812_PINNUM = PORTB0
+
+
+
diff --git a/avr/devices/n14/n14_main.asm b/avr/devices/n14/n14_main.asm
new file mode 100644
index 0000000..5059e7e
--- /dev/null
+++ b/avr/devices/n14/n14_main.asm
@@ -0,0 +1,347 @@
+; ***************************************************************************
+; copyright   : (C) 2024 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+; Source file for LED controller node on AtTiny 85
+;
+; This is for the full system (i.e. not the boot loader).
+; ***************************************************************************
+
+.equ clock=8000000 ; Define the clock frequency
+
+
+
+.nolist
+.include "include/tn85def.inc" ; Define device ATtiny85
+.list
+
+.include "n14_defs.asm"
+.include "defs.asm"
+.include "common/utils_wait.asm" ; wait macro
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; firmware settings including list of modules used
+
+.equ FIRMWARE_VERSION_MAJOR       = 0
+.equ FIRMWARE_VERSION_MINOR       = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL  = 1
+
+
+#define MODULES_TIMER
+#define MODULES_COM
+#define MODULES_COM_WITH_ADDR_PROTO
+#define MODULES_LED_SIMPLE
+#define MODULES_STATS
+;#define MODULES_OWI_MASTER
+#define MODULES_SK6812
+
+
+
+; ---------------------------------------------------------------------------
+; defines for modules
+
+;.equ VALUE_ID_SI7021_TEMP    = 0x01
+;.equ VALUE_ID_SI7021_HUM     = 0x02
+
+;.equ VALUE_ID_ADC            = 0x03
+;.equ VALUE_ID_REED1          = 0x04
+;.equ VALUE_ID_REED2          = 0x05
+
+;.equ VALUE_ID_REED_CONF      = 0x81
+.equ VALUE_ID_LED_NUMLEDS    = 0x82
+.equ VALUE_ID_LED_RGBW_VALUE = 0x83
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 000000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+
+        rjmp BOOTLOADER_ADDR ; Reset vector  ; use this for flashed system
+	reti ; EXT_INT0
+	rjmp com2IsrPcint0 ; PCI0
+	reti ; OC1A
+	reti ; OVF1
+	reti ; OVF0
+	reti ; ERDY
+	reti ; ACI
+        reti ; ADCC
+	reti ; OC1B
+        rjmp baseTimerIrqOC0A ; OC0A
+	reti ; OC0B
+	reti ; WATCHDOG
+	reti ; USI_STR
+	reti ; USI_OVF
+
+	
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db 'N', 0
+devInfoVersion:      .db 14, 0                 ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_LEDSTRIPS, FIRMWARE_VERSION_MAJOR
+                     .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart:   rjmp main
+
+
+; ***************************************************************************
+; includes
+
+.include "common/utils.asm"
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+.include "common/crc8.asm"
+
+.include "modules/basetimer/main.asm"
+
+#ifdef MODULES_TIMER
+  .include "modules/timer/main.asm"
+#endif
+#ifdef MODULES_LED_SIMPLE
+.include "modules/led_simple/main.asm"
+#endif
+#ifdef MODULES_COM
+  .include "modules/com2/defs.asm"
+  .include "modules/com2/main.asm"
+  #ifdef MODULES_COM_WITH_ADDR_PROTO
+    .include "modules/comproto/defs.asm"
+    .include "modules/comproto/main.asm"
+    .include "modules/comproto/addr.asm"
+    .include "modules/comproto/msg_recvstats.asm"
+    .include "modules/comproto/msg_sendstats.asm"
+    .include "modules/comproto/msg_sysstats.asm"
+    .include "modules/comproto/msg_memstats.asm"
+    .include "modules/comproto/msg_pong.asm"
+    .include "modules/comproto/msg_value.asm"
+    .include "modules/comproto/msg_device.asm"
+    .include "modules/comproto/msg_reboot.asm"
+  #endif
+#endif
+#ifdef MODULES_STATS
+  .include "modules/stats/main.asm"
+#endif
+#ifdef MODULES_OWI_MASTER
+  .include "modules/owimaster/main.asm"
+#endif
+#ifdef MODULES_DS18B20
+  .include "modules/ds18b20/main.asm"
+#endif
+#ifdef MODULES_SK6812
+  .include "modules/sk6812/main.asm"
+#endif
+
+
+; ***************************************************************************
+; data in SRAM
+
+.dseg
+
+
+#ifdef MODULES_DS18B20
+  sramDs18b20Timer:            .byte 2
+  sramSendDs18b20TempTimer:    .byte 2
+#endif
+
+
+; ***************************************************************************
+; data in FLASH
+
+.cseg
+
+
+
+; ---------------------------------------------------------------------------
+; timer list
+
+
+timerList:
+;     SRAM variable/counter        routine                     flags                secs (0=don't start or restart)
+#ifdef MODULES_COM_WITH_ADDR_PROTO
+  .dw cproAddresModeTimer,         CPRO_Address_OnTimer,       0,                   0     ; (no restart)
+#endif
+#ifdef MODULES_STATS
+  .dw statsSendTimer,              Stats_Timer,                TIMER_FLAGS_IF_ADDR, 3000   ; every 5m
+#endif
+#ifdef MODULES_DS18B20
+  .dw sramDs18b20Timer,            Ds18b20_OnTimer,            0,                   300    ; every 30s
+  .dw sramSendDs18b20TempTimer,    sendDs18b20Temp,            TIMER_FLAGS_IF_ADDR, 600    ; every 60s
+#endif
+  .dw 0 ; end of list
+
+
+
+
+
+.include "main.asm"
+
+
+; ---------------------------------------------------------------------------
+; Called early on system startup. No arguments, no results.
+
+systemSetSpeed:
+.if clock == 1000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+
+.if clock == 8000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, 0
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+  ret
+
+
+
+; ---------------------------------------------------------------------------
+; Called just before rebooting to bootloader. No arguments, no results.
+
+systemSetBootSpeed:
+  ldi r16, (1<<CLKPCE)
+  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
+  out CLKPR, r16
+  out CLKPR, r17
+  ret
+
+
+
+; ---------------------------------------------------------------------------
+; Called on first time run, i.e. on system start. No arguments, no results.
+
+onSystemStart:
+  ret
+
+
+#ifdef MODULES_DS18B20
+sendDs18b20Temp:
+  rcall Ds18b20_SendTemp
+  brcs sendDs18b20Temp_okay
+  ; set timer to 1s to retry later
+  ldi xl, LOW(sramSendDs18b20TempTimer)
+  ldi xh, HIGH(sramSendDs18b20TempTimer)
+  rjmp Timer_SetValueTo1s
+sendDs18b20Temp_okay:
+  ret
+#endif
+
+
+
+; ---------------------------------------------------------------------------
+; Called every 100ms. Add your routine calls here. No arguments, no results.
+
+onEvery100ms:
+#ifdef MODULES_LED_SIMPLE
+  rcall LedSimple_Every100ms
+#endif
+
+#ifdef MODULES_REED
+  rcall REED_Every100ms
+#endif
+
+  ret
+
+
+
+; ---------------------------------------------------------------------------
+; @routine onPacketReceived:
+;
+; Called after a packet was received via COM module. Add your routine calls here.
+;
+; The packet will be released in any case after return from this call.
+;
+; @return CFLAG set if message handled, cleared otherwise
+; @param X  pointer to received buffer
+; @clobbers all
+
+onPacketReceived:
+  ; get msg code
+  adiw xh:xl, COM2_MSG_OFFS_CMD
+  ld r16, x
+  sbiw xh:xl, COM2_MSG_OFFS_CMD
+
+  cpi r16, CPRO_CMD_VALUE_SET
+  brne onPacketReceived_l1
+  ; msg code is CPRO_CMD_VALUE_SET
+  rjmp onSetValueReceived
+
+onPacketReceived_l1:
+  rjmp CPRO_OnPacketReceived
+; @end
+
+
+
+onSetValueReceived:
+  adiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUEID
+  ld r16, X
+  sbiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUEID
+
+#ifdef MODULES_SK6812
+  cpi r16, VALUE_ID_LED_RGBW_VALUE
+  brne onSetValueReceived_l1
+  rjmp onSetRgbwValue
+onSetValueReceived_l1:
+  cpi r16, VALUE_ID_LED_NUMLEDS
+  brne onSetValueReceived_l2
+  rjmp onSetNumLeds
+#endif
+onSetValueReceived_l2:
+  ldi r16, CPRO_CMD_VALUE_SET_NACK
+  rcall CPRO_SendSetValueResponse
+  clc
+  ret
+
+
+#ifdef MODULES_SK6812
+onSetRgbwValue:
+  ; get new value
+  adiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUE
+  ld r18, X+ ; R
+  ld r19, X+ ; G
+  ld r20, X+ ; B
+  ld r21, X+ ; W
+  sbiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUE+4
+  rcall SK6812_SetAllColor
+  ; send ACK
+  ldi r16, CPRO_CMD_VALUE_SET_ACK
+  rcall CPRO_SendSetValueResponse
+  sec
+  ret
+
+onSetNumLeds:
+  ; get new value
+  adiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUE
+  ld r16, X ; number of leds
+  sbiw xh:xl, CPRO_PACKET_VALUE_OFFS_VALUE
+  sts sk6812NumLeds, r16
+  ; send ACK
+  ldi r16, CPRO_CMD_VALUE_SET_ACK
+  rcall CPRO_SendSetValueResponse
+  sec
+  ret
+#endif
+
+
+