Not Unique Disclaimer

ricaun · Jul 24, 2020 · 43c1558 · 43c1558
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diff --git a/MCU.md b/MCU.md
@@ -24,9 +24,13 @@ Apparently, the chip Atmega328p have a hidden serial number with 9 bytes, and ot
 ## Tested Microcontroller
 
 * Atmega328pb - 10 bytes
-* Atmega328p - 9 bytes
-* Atmega2560 - 9 bytes
-* Attiny85 - 9 bytes
+* Atmega328p - 9 bytes (Not Unique)
+* Atmega2560 - 9 bytes (Not Unique)
+* Attiny85 - 9 bytes (Not Unique)
+
+## Disclaimer
+
+The `Atmega328p`, `Atmega2560`, `Attiny85` does not have a 'Serial Number' on the datasheet, this mean it's possivel to have two microcontroller with the same `UniqueId`.
 
 # Atmel SAM ARM Microcontroller
 

diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@ This Library gets the Unique ID / Manufacture Serial Number from the Atmel AVR,
 
 ArduinoUniqueID supports the [Microcontrollers](MCU.md).
 
-* Atmel AVR
+* Atmel AVR - [`Not Unique Disclaimer`](MCU.md#Disclaimer)
 * Atmel SAM ARM
 * Atmel SAMD ARM
 * STM32