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AN17644: Getting Started with AVR® Microcontroller
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mosfet - AVR Pin Dual Use: Input and Output at (seemingly) the same time - Electrical Engineering Stack Exchange
AVR I/O Port Programming - javatpoint
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ATmega8
How can i set an arduino pin act like a jumper? - Stack Overflow
Digital Input/Output Ports on AVR - Developer Help
How pinMode, digitalWrite and digitalRead Work | Microcontroller Tutorials
Gpio pin connected to a long wire | AVR Freaks
AVR basics: reading and writing GPIO pins - Machina Speculatrix
what happened if write an input pin? | AVR Freaks
Using the AVR RESET Pin as an Input - Wayne's Tinkering Page
Arduino to AVR-C Reference Guide. Note: This reference guide is intended… | by Jordan Réjaud | Medium
GPIO Ports and Registers in AVR ATmega16/ATmega32
microcontroller - How to read an input value from atmega32 pin? - Electrical Engineering Stack Exchange
