This video describes Analog Output (PWM) of Arduino Uno, Duty cycle, and simulates Analog Output and "for()" function.
0:00 Arduino Uno - Analog Output
0:10 Opening
0:40 Pulse Width Modulation
1:46 Duty Cycle
2:48 Analog Output Simulation
7:24 "for()" function for running LED
https://docs.arduino.cc/learn/microco...
https://www.arduino.cc/reference/en/l...
https://www.theengineeringprojects.co...