Can I use an output pin on ATMEGA / SAMD21 driving an LED and periodically switch to INPUT to check if a 24V supply is available? Which variant makes sense (A is
Build Your Own Development Board - ATMega32 AVR
Lecture 9 Microcontrollers part 1 BJ Furman 29
Buy Robosoft Labs AVR 40 PIN Development Board with MAX232, ATMEGA16 IC & Programmer Online at Low Prices in India - Amazon.in
Amazon.com: ATmega328 Atmega328p-pu DIP-28 Pin 8-bit Microcontroller with 32K Bytes in-System Programmable Flash Pack of 4: Computers & Accessories
Build Your Own Development Board - ATMega32 AVR
USBasp USB ISP 3.3V / 5V AVR Programmer USB ATMEGA8 ATMEGA128 New with 10 Pin Wire Support Win7 64 Bit: Amazon.com: Industrial & Scientific
Atmega16 interfacing with Push Button and LED(How to Read GPIO Pin of Atmega16) - YouTube