Arduino timers

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https://www.youtube.com/watch?v=awS93t-uX4Q&list=PLgwJf8NK-2e4NfLvfOOr_E9iskgGmyRrJ playlist by @EngineeringFunda
https://www.youtube.com/watch?v=awS93t-uX4Q Introduction to AVR Timer explained with given timestamps: 
https://www.youtube.com/watch?v=XY4LYG9LzPY timer 0 normal mode 
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https://www.ee-diary.com/2021/08/arduino-ctc-mode-programming-with.html# and https://www.ee-diary.com/2021/07/programming-atmega328p-in-ctc-mode.html# 
http://www.arduinoslovakia.eu/application/timer-calculator 
https://moodle.bulme.at/pluginfile.php/82927/mod_resource/content/0/arduino/ArduinoTimers.pdf 
rotary encoder archive ref. by usefulard code spenceKonde github and mazurov rotary without ISR 
https://www.gammon.com.au/timers, http://www.gammon.com.au/forum/?id=11504 from measure time interval 
https://www.youtube.com/watch?v=3kCWRyYfLDA In this video compare match interrupt using ATmega328 timer1 is explained and used to toggle a LED. 
https://www.youtube.com/watch?v=cAui6116XKc 
https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7810-Automotive-Microcontrollers-ATmega328P_Datasheet.pdf 
https://github.com/PaulStoffregen/TimeAlarms set alarm times. 
https://github.com/JChristensen/Timer/blob/master/examples/pin_high_10_mins/pin_high_10_mins.pde 
http://www.doctormonk.com/2012/01/arduino-timer-library.html 
https://www.youtube.com/watch?v=fFrL5Vh8Dis by @RalphBacon 
https://www.youtube.com/watch?v=2kr5A350H7E&t=210s sparkfun
https://www.youtube.com/watch?v=faCVhp7gm-g robert paz
=== datasheet ===
https://mil.ufl.edu/5666/handouts/AVR_PWM_Reg_Info_Summary.pdf three page summary 
https://tmurphy.physics.ucsd.edu/phys120b/lectures/12_timers.pdf eleven page summary 
Category:Arduino