diff --git a/avr/devices/n23/.gitignore b/avr/devices/n23/.gitignore
new file mode 100644
index 0000000..8e0618c
--- /dev/null
+++ b/avr/devices/n23/.gitignore
@@ -0,0 +1,2 @@
+*.eep.hex
+*.obj
diff --git a/avr/devices/n23/0BUILD b/avr/devices/n23/0BUILD
new file mode 100644
index 0000000..53ef8b7
--- /dev/null
+++ b/avr/devices/n23/0BUILD
@@ -0,0 +1,53 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="AvrHexFile" name="n23_firmware" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      main.asm
+    </sources>
+
+
+  </target>
+
+
+
+  <target type="AvrHexFile" name="n23_boot" >
+
+    <includes type="avrasm" >
+      -I $(builddir)
+      -I $(srcdir)
+      -I $(topsrcdir)/avr
+      -I $(topbuilddir)/avr
+    </includes>
+
+
+    <sources type="avrasm" >
+      boot.asm
+    </sources>
+
+
+  </target>
+
+
+  <subdirs>
+  </subdirs>
+
+  <extradist>
+    defs.asm
+    README
+  </extradist>
+  
+
+</gwbuild>
+
+
diff --git a/avr/devices/n23/README b/avr/devices/n23/README
new file mode 100644
index 0000000..60505df
--- /dev/null
+++ b/avr/devices/n23/README
@@ -0,0 +1,13 @@
+
+N20
+===
+
+- Role: Air quality and climate sensors
+- MCU: AtTiny84
+- Connection: RJ45
+- Periphery:
+  - PIR sensor (AMN31112)
+  - TWI interface
+    - SI7021 temperature and humidity sensor
+    - CCS811 air quality sensor
+  
diff --git a/avr/devices/n23/boot.asm b/avr/devices/n23/boot.asm
new file mode 100644
index 0000000..d42b2d1
--- /dev/null
+++ b/avr/devices/n23/boot.asm
@@ -0,0 +1,144 @@
+; ***************************************************************************
+; Source file for base system node on AtTiny 84
+;
+; 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/tn84def.inc" ; Define device ATtiny84
+.list
+
+.include "./defs.asm"
+.include "defs_all.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             = DDRA
+.equ LED_PORT            = PORTA
+.equ LED_PIN             = PINA
+.equ LED_PINNUM          = PORTA3
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+;  rjmp start ; Reset vector
+  rjmp main ; Reset vector
+  reti ; EXT_INT0
+  reti ; PCI0
+  reti ; PCI1
+  reti ; WATCHDOG
+  reti ; ICP1
+  reti ; OC1A
+  reti ; OC1B
+  reti ; OVF1
+  reti ; OC0A
+  reti ; OC0B
+  reti ; OVF0
+  reti ; ACI
+  reti ; ADCC
+  reti ; ERDY
+  reti ; USI_STR
+  reti ; USI_OVF
+
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; 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/bootloader/main.asm
+
+
+
+; ***************************************************************************
+; includes
+
+.include "modules/uart_bitbang/bytelevel.asm"
+.include "modules/uart_bitbang/packetlevel.asm"
+.include "modules/com2/crc.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/defs.asm"
+.include "modules/flash/eeprom.asm"
+.include "modules/flash/io.asm"
+.include "modules/flash/io_attn.asm"
+.include "modules/flash/io_bitbang.asm"
+.include "modules/flash/flash1p.asm"
+.include "modules/flash/flashprocess.asm"
+.include "modules/flash/wait.asm"
+.include "modules/bootloader/main.asm"
+
+
+
+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
+
+
+
+
diff --git a/avr/devices/n23/defs.asm b/avr/devices/n23/defs.asm
new file mode 100644
index 0000000..276db01
--- /dev/null
+++ b/avr/devices/n23/defs.asm
@@ -0,0 +1,135 @@
+; ***************************************************************************
+; copyright   : (C) 2023 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.   *
+; ***************************************************************************
+
+
+; ***************************************************************************
+;
+;                                 AtTiny84
+;                                 --------
+;                            VCC  1     14  GND
+;                            PB0  2     13  PA0  AUX-A0
+;                  PIR       PB1  3     12  PA1  COM-DATA
+;                  /RESET    PB3  4     11  PA2
+;                  AUX-B2    PB2  5     10  PA3  LED
+;                  COM_ATTN  PA7  6      9  PA4  TWI-SCL
+;                  TWI-SDA   PA6  7      8  PA5
+;                                 --------
+;
+; ***************************************************************************
+
+
+
+.equ BOOTLOADER_ADDR = 0xd00
+
+.equ FIRMWARE_VARIANT_BOOT        = 0
+.equ FIRMWARE_VARIANT_TEMP_WINDOW = 1
+
+.equ DEVICEINFO_ID       = 'N'
+.equ DEVICEINFO_VERSION  = 23
+.equ DEVICEINFO_REVISION = 0
+
+
+
+; ---------------------------------------------------------------------------
+; LED module
+
+.equ LED_SIMPLE_ONTIME  = 1     ; shorter
+.equ LED_SIMPLE_OFFTIME = 50    ; longer
+.equ LED_SIMPLE_DDR     = DDRA
+.equ LED_SIMPLE_PORT    = PORTA
+.equ LED_SIMPLE_PORTIN  = PINA
+.equ LED_SIMPLE_PINNUM  = PORTA3
+
+
+
+; ---------------------------------------------------------------------------
+; COM module
+
+.equ COM_BIT_LENGTH      = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
+.equ COM_HALFBIT_LENGTH  = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
+
+.equ COM_DATA_DDR       = DDRA
+.equ COM_DATA_INPUT     = PINA
+.equ COM_DATA_OUTPUT    = PORTA
+.equ COM_DATA_PIN       = PORTA1
+
+.equ COM_ATTN_DDR       = DDRA
+.equ COM_ATTN_INPUT     = PINA
+.equ COM_ATTN_OUTPUT    = PORTA
+.equ COM_ATTN_PIN       = PORTA7
+
+.equ COM_IRQ_ADDR_ATTN   = PCMSK0
+.equ COM_IRQ_BIT_ATTN    = PCINT7        ; bit 7 in PCMSK0
+.equ COM_IRQ_GIFR_ATTN   = PCIF0
+.equ COM_IRQ_GIMSK_ATTN  = PCIE0
+
+
+
+; ---------------------------------------------------------------------------
+; TWI master module
+
+;.equ TWI_BIT_LENGTH = 10000 ; 100000 and 200000 works for display: 10000, 100000, 200000
+.equ TWI_BIT_LENGTH = 1 ; 10, 100, 500, 100000 and 200000 works for display: 10000, 100000, 200000
+
+.equ TWI_DDR_SCL          = DDRA
+.equ TWI_PORT_SCL         = PORTA
+.equ TWI_PIN_SCL          = PINA
+.equ TWI_PINNUM_SCL       = PORTA4
+
+.equ TWI_DDR_SDA          = DDRA
+.equ TWI_PORT_SDA         = PORTA
+.equ TWI_PIN_SDA          = PINA
+.equ TWI_PINNUM_SDA       = PORTA6
+
+
+
+; ---------------------------------------------------------------------------
+; LCD module
+
+.equ LCD_TWI_ADDRESS      = 0x3c
+
+
+
+; ---------------------------------------------------------------------------
+; SI 7021
+
+.equ SI7021_ADDR          = 0x40
+
+
+
+; ---------------------------------------------------------------------------
+; 1-Wire Master
+;
+
+.equ OWI_DDR     = DDRB
+.equ OWI_PORTOUT = PORTB
+.equ OWI_PORTIN  = PINB
+.equ OWI_PINNUM  = PORTB2
+
+
+
+; ---------------------------------------------------------------------------
+; Motion Sensor
+;
+
+.equ MOTION_DDR       = DDRB
+.equ MOTION_INPUT     = PINB
+.equ MOTION_OUTPUT    = PORTB
+.equ MOTION_PIN       = PORTB1
+
+
+
+; ---------------------------------------------------------------------------
+; CCS 811
+;
+
+.equ CCS811_ADDR = 0x5a ; or 0x5b
+
+
+
diff --git a/avr/devices/n23/main.asm b/avr/devices/n23/main.asm
new file mode 100644
index 0000000..bdf974b
--- /dev/null
+++ b/avr/devices/n23/main.asm
@@ -0,0 +1,476 @@
+; ***************************************************************************
+; 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 temperature sensor node on AtTiny 84
+;
+; This is for the full system (i.e. not the boot loader).
+;
+; All definitions and changes should go into this file.
+;
+;
+; ***************************************************************************
+
+
+.equ clock=1000000 ; Define the clock frequency
+;.equ clock=8000000 ; Define the clock frequency
+
+
+
+.nolist
+.include "include/tn84def.inc" ; Define device ATtiny84
+.list
+
+.include "./defs.asm"
+.include "defs_all.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+
+.include "common/utils_wait.asm"
+
+
+; ---------------------------------------------------------------------------
+; 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_TWI_MASTER
+;#define MODULES_LCD
+#define LCD_MINIMAL_FONT
+#define MODULES_SI7021
+#define MODULES_STATS
+;#define MODULES_OWI_MASTER
+;#define MODULES_DS18B20
+#define MODULES_MOTION
+;#define MODULES_CCS811
+
+; ---------------------------------------------------------------------------
+; defines for values
+
+.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_DS18B20_TEMP = 0x06
+.equ VALUE_ID_MOTION       = 0x07
+
+.equ VALUE_ID_CO2          = 0x08
+.equ VALUE_ID_TVOC         = 0x09
+
+;.equ VALUE_ID_REED_CONF    = 0x81
+
+.equ VALUE_ID_DEBUG        = 0x7f
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 000000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors (will be removed as soon as we can flash data over COM)
+
+;	rjmp main ; Reset vector
+        rjmp BOOTLOADER_ADDR ; Reset vector  ; use this for flashed system
+	reti ; EXT_INT0
+	rjmp uartBitbangIsrPcint0 ; PCI0
+	reti ; PCI1
+	reti ; WATCHDOG
+	reti ; ICP1
+	reti ; OC1A
+	reti ; OC1B
+	reti ; OVF1
+        rjmp baseTimerIrqOC0A ; OC0A
+	reti ; OC0B
+	reti ; OVF0
+	reti ; ACI
+        reti ; ADCC
+	reti ; ERDY
+	reti ; USI_STR
+	reti ; USI_OVF
+
+
+devInfoBlock:        ; 12 bytes
+devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
+devInfoId:           .db DEVICEINFO_ID, 0
+devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; version, revision
+firmwareVersion:     .db FIRMWARE_VARIANT_TEMP_WINDOW, 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
+.include "modules/led/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"
+  .include "modules/com2/buffer.asm"
+  .include "modules/uart_bitbang/defs.asm"
+  .include "modules/uart_bitbang/main.asm"
+  .include "modules/uart_bitbang/bytelevel.asm"
+  .include "modules/uart_bitbang/packetlevel.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
+  #ifdef MODULES_LCD
+    .include "modules/com2/screen.asm"
+    .include "modules/comproto/screen.asm"
+  #endif
+#endif
+#ifdef MODULES_TWI_MASTER
+  .include "modules/twimaster/main.asm"
+#endif
+#ifdef MODULES_OWI_MASTER
+  .include "modules/owimaster/main.asm"
+#endif
+#ifdef MODULES_LCD
+  .include "modules/lcd/main.asm"
+#endif
+#ifdef MODULES_SI7021
+  .include "modules/si7021/main.asm"
+#endif
+#ifdef MODULES_DS18B20
+  .include "modules/ds18b20/main.asm"
+#endif
+#ifdef MODULES_STATS
+  .include "modules/stats/main.asm"
+#endif
+#ifdef MODULES_CNY70
+  .include "modules/cny70/main.asm"
+#endif
+#ifdef MODULES_REED
+  .include "modules/reed/main.asm"
+#endif
+
+#ifdef MODULES_MOTION
+  .include "modules/motion/main.asm"
+#endif
+
+#ifdef MODULES_CCS811
+  .include "modules/ccs811/main.asm"
+#endif
+
+; test
+;#include "modules/uart_irq/defs.asm"
+;#include "modules/uart_irq/iface.asm"
+;#include "modules/uart_irq/iface1.asm"
+
+
+; ***************************************************************************
+; data in SRAM
+
+.dseg
+
+programRamBegin:
+#ifdef MODULES_LCD
+  screenCounter:               .byte 1
+#endif
+
+programRamEnd:
+
+
+
+#ifdef MODULES_LCD
+  sramTimerWriteStats:         .byte 2
+  sramTimerScreen:             .byte 2
+#endif
+#ifdef MODULES_SI7021
+  sramTimerSI7021Measure:      .byte 2
+  sramTimerSI7021SendTemp:     .byte 2
+  sramTimerSI7021SendHumidity: .byte 2
+#endif
+#ifdef MODULES_CNY70
+  sramTimerCny70SendAdc:       .byte 2
+#endif
+#ifdef MODULES_LCD
+  sramPeriodicalLcdMark:       .byte 2
+#endif
+#ifdef MODULES_DS18B20
+  sramDs18b20Timer:            .byte 2
+  sramSendDs18b20TempTimer:    .byte 2
+#endif
+
+#ifdef MODULES_CCS811
+  sramCcs811Timer:             .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, 9000   ; every 15m
+#endif
+#ifdef MODULES_LCD
+;  .dw sramPeriodicalLcdMark,       periodicalLcdMark,          0,                    20   ; every 2s
+;  .dw sramTimerWriteStats,         writeStats,                 0,                   100
+  .dw sramTimerScreen,              printScreen,                TIMER_FLAGS_IF_ADDR,  50    ; every 5s
+#endif
+#ifdef MODULES_SI7021
+  .dw sramTimerSI7021Measure,      SI7021_OnTimer,             0,                   300    ; every 30s
+  .dw sramTimerSI7021SendTemp,     sendSI7021Temp,             TIMER_FLAGS_IF_ADDR, 600    ; every 60s
+  .dw sramTimerSI7021SendHumidity, sendSI7021Humidity,         TIMER_FLAGS_IF_ADDR, 600    ; every 60s
+#endif
+#ifdef MODULES_CNY70
+  .dw sramTimerCny70SendAdc,       CNY70_OnTimer,              TIMER_FLAGS_IF_ADDR, 50     ; every 5s
+#endif
+#ifdef MODULES_DS18B20
+  .dw sramDs18b20Timer,            Ds18b20_OnTimer,            0,                   300    ; every 30s
+  .dw sramSendDs18b20TempTimer,    sendDs18b20Temp,            TIMER_FLAGS_IF_ADDR, 600    ; every 60s
+#endif
+#ifdef MODULES_CCS811
+  .dw sramCcs811Timer,             CCS811_OnTimer,             0,                   10     ; every 1s
+#endif
+  .dw 0 ; end of list
+
+
+
+
+
+.include "main_all.asm"
+
+
+
+systemSetSpeed:
+.if clock == 8000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, 0
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+  ret
+
+
+systemSetBootSpeed:
+.if clock == 8000000
+  ldi r16, (1<<CLKPCE)
+  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
+  out CLKPR, r16
+  out CLKPR, r17
+.endif
+  ret
+
+
+
+; ---------------------------------------------------------------------------
+; Called on first time run, i.e. on system start. No arguments, no results.
+
+onSystemStart:
+  ldi xh, HIGH(programRamBegin)
+  ldi xl, LOW(programRamBegin)
+  clr r16
+  ldi r17, (programRamEnd-programRamBegin)
+  rcall Utils_FillSram
+  ret
+
+
+#ifdef MODULES_LCD
+
+printScreen:
+  lds r16, screenCounter
+  tst r16
+  brne printScreen_l1
+  rcall CPRO_Screen
+  rjmp printScreen_counter
+printScreen_l1:
+  cpi r16, 1
+  brne printScreen_l2
+  rcall COM2_Screen_RecvStats
+  rjmp printScreen_counter
+printScreen_l2:
+;  cpi r16, 2
+;  brne printScreen_l3
+;  rcall COM2_Screen_SendStats
+;  rjmp printScreen_counter
+printScreen_l3:
+  ; add more screens here
+
+printScreen_counter:
+  lds r16, screenCounter
+  inc r16
+  cpi r16, 2 ; number of screens
+  brcs printScreen_store
+  clr r16
+printScreen_store:
+  sts screenCounter, r16
+printScreen_end:
+  ret
+
+
+;periodicalLcdMark:
+;  rcall printTimerMark
+;  ret
+
+
+;writeStats:
+;  rcall printSendStats
+;  ret
+#endif
+
+
+#ifdef MODULES_SI7021
+
+sendSI7021Humidity:
+  rcall SI7021_SendHumidity
+  brcs sendSI7021Humidity_okay
+  ; set timer to 1s to retry later
+  ldi xl, LOW(sramTimerSI7021SendHumidity)
+  ldi xh, HIGH(sramTimerSI7021SendHumidity)
+  rjmp Timer_SetValueTo1s
+sendSI7021Humidity_okay:
+  ret
+
+
+sendSI7021Temp:
+  rcall SI7021_SendTemp
+  brcs sendSI7021Temp_okay
+  ; set timer to 1s to retry later
+  ldi xl, LOW(sramTimerSI7021SendTemp)
+  ldi xh, HIGH(sramTimerSI7021SendTemp)
+  rjmp Timer_SetValueTo1s
+sendSI7021Temp_okay:
+  ret
+#endif
+
+
+#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
+
+#ifdef MODULES_MOTION
+  rcall Motion_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:
+#ifdef MODULES_MOTION_LIGHT
+  rcall MotionLight_OnPacketReceived
+  brcs onPacketReceived_end
+#endif
+
+#ifdef MODULES_SK6812
+  rcall SK6812_OnPacketReceived
+  brcs onPacketReceived_end
+#endif
+
+#ifdef MODULES_REED
+  rcall REED_OnPacketReceived
+  brcs onPacketReceived_end
+#endif
+
+#ifdef MODULES_COM
+  rcall CPRO_OnPacketReceived
+  brcs onPacketReceived_end
+#endif
+
+  clc
+onPacketReceived_end:
+  ret
+; @end
+
+