Mega 4808 sleep modes – MP1993
External interrupts on the ATmega168/328 – ouilogique.com
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Arduino Pin Change Interrupts – The Wandering Engineer
Sleep Modes and Power Management • Wolles Elektronikkiste
AVR Pin change interrupt: Capacitive Touch Sensor - Electrical Engineering Stack Exchange
Pin Change Interrupts - Difference in PORT Read & DigitalRead - Programming Questions - Arduino Forum
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avr - Assign an interrupt to any pin of the atmega328 microcontroller - Arduino Stack Exchange
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attiny85 and sleep mode
Week 8
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AVR Interrupt and External Interrupt : Arduino / ATmega328p - Arnab Kumar Das
arduino - AVR sleep interrupt with keypad - Electrical Engineering Stack Exchange
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Arduino Interrupt Tutorial | Microcontroller Tutorials
Bare Metal Micro
MCC Melody AVR® RTC PLIB Driver: Using the PIT to Wake up and with the Event System - YouTube
External Interrupts on an ATmega168 - Protostack
