diff --git a/demos/AVR/NIL-ARDUINO-MEGA/readme.txt b/demos/AVR/NIL-ARDUINO-MEGA/readme.txt
new file mode 100644
index 000000000..9df55d7f0
--- /dev/null
+++ b/demos/AVR/NIL-ARDUINO-MEGA/readme.txt
@@ -0,0 +1,23 @@
+*****************************************************************************
+** ChibiOS/NIL port for Atmel AVR ATmega2560.                              **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on an Arduino Mega board.
+
+** The Demo **
+
+One thread prints a message to the serial console, which is available on
+the board USB connector (FT232 converter).
+
+Another thread toggles the LED on PB7 (pin 13 on Arduino IDE) every 500ms.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain. It should build with WinAVR too!
+
+** Notes **
+
+This demo runs natively so the Arduino bootloader must be removed and the FUSEs
+reprogrammed. The values used for fuses are LFUSE=0xe7 and HFUSE=0x99.
diff --git a/demos/AVR/NIL-ARDUINO-MINI/readme.txt b/demos/AVR/NIL-ARDUINO-MINI/readme.txt
new file mode 100644
index 000000000..b9cb207e5
--- /dev/null
+++ b/demos/AVR/NIL-ARDUINO-MINI/readme.txt
@@ -0,0 +1,18 @@
+*****************************************************************************
+** ChibiOS/NIL port for Atmel AVR ATmega328p.                              **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on an Arduino Mini board.
+
+** The Demo **
+
+One thread prints a message to the serial console, which is available on
+the board USB connector (FT232 converter).
+
+Another thread toggles the LED on PB5 (pin 13 on Arduino IDE) every 500ms.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain.
diff --git a/demos/AVR/NIL-ARDUINO-NANO/readme.txt b/demos/AVR/NIL-ARDUINO-NANO/readme.txt
new file mode 100644
index 000000000..5ffa0d103
--- /dev/null
+++ b/demos/AVR/NIL-ARDUINO-NANO/readme.txt
@@ -0,0 +1,18 @@
+*****************************************************************************
+** ChibiOS/NIL port for Atmel AVR ATmega328p.                              **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on an Arduino Nano board.
+
+** The Demo **
+
+One thread prints a message to the serial console, which is available on
+the board USB connector (FT232 converter).
+
+Another thread toggles the LED on PB5 (pin 13 on Arduino IDE) every 500ms.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain.
diff --git a/demos/AVR/NIL-ARDUINO-UNO/readme.txt b/demos/AVR/NIL-ARDUINO-UNO/readme.txt
new file mode 100644
index 000000000..9b1844353
--- /dev/null
+++ b/demos/AVR/NIL-ARDUINO-UNO/readme.txt
@@ -0,0 +1,18 @@
+*****************************************************************************
+** ChibiOS/NIL port for Atmel AVR ATmega328p.                              **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on an Arduino Uno board.
+
+** The Demo **
+
+One thread prints a message to the serial console, which is available on
+the board USB connector (FT232 converter).
+
+Another thread toggles the LED on PB5 (pin 13 on Arduino IDE) every 500ms.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain.
diff --git a/demos/AVR/NIL-MT-DB-X4/readme.txt b/demos/AVR/NIL-MT-DB-X4/readme.txt
new file mode 100644
index 000000000..24419f567
--- /dev/null
+++ b/demos/AVR/NIL-MT-DB-X4/readme.txt
@@ -0,0 +1,20 @@
+*****************************************************************************
+** ChibiOS/NIL port for ATxmega128a4u.                                     **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on the mattair Tech MT-DB-X4 board.
+
+** The Demo **
+
+The demo show how to blink the onboard LED every second by using a threas.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain. It should build with WinAVR too!
+
+** Programming procedure **
+
+The board can be flash by using the Makefile and the DFU Programmer tools.
+See the make file for more details.
diff --git a/demos/AVR/RT-MT-DB-X4/readme.txt b/demos/AVR/RT-MT-DB-X4/readme.txt
new file mode 100644
index 000000000..bd8bad930
--- /dev/null
+++ b/demos/AVR/RT-MT-DB-X4/readme.txt
@@ -0,0 +1,20 @@
+*****************************************************************************
+** ChibiOS/RT port for ATxmega128a4u.                                      **
+*****************************************************************************
+
+** TARGET **
+
+The demo runs on the mattair Tech MT-DB-X4 board.
+
+** The Demo **
+
+The demo show how to blink the onboard LED every second.
+
+** Build Procedure **
+
+The demo was built using the GCC AVR toolchain. It should build with WinAVR too!
+
+** Programming procedure **
+
+The board can be flash by using the Makefile and the DFU Programmer tools.
+See the make file for more details.