Update README.md

Author: arteknix

LearningAvrC/README.md

@@ -1,4 +1,21 @@
 # Coding in C for Arduino/AVR
-The heart of this Repo
+>[!NOTE]
+>***The heart of this Repo***
 
 If you are not familiar with the C programming language, please go through [LearningC](LearningC)
+
+Before diving into this make sure you read [UsingArduino](../UsingArduino/README.md)
+
+Lesson00 will be a standard blink ("Hello World" for hardware ) using an arduino-uno built on an [atmega328p](#atmega328p)
+ 
+>[!IMPORTANT]
+> we will be using
+> - libc-avr
+> - avr-gcc
+> - avrdude
+
+## Atmega328p 
+The **Atmel AVR Atmega328p** is a wonderfull piece of hardware.
+> [!TIP]
+> You can check out the [datasheet](https://github.com/arteknix/Doc_Central/blob/main/ucroControl/AVR/atmega/mega328p_doc8161.pdf) in my Doc_Central Repo.
+