Hello friends, hope you all are fine and having fun with your lives.In today's post, we are gonna see How to use timer interrupt in 8051 Microcontroller.8051 Microcontroller comes with timer as well. They normally have two timer in them named as Timer0 and Timer1. These timers are used for counting purposes like you want to start some countdown in your project then you can use these timers or you wanna create some clock then in that case as well you need timers. So, in short there are numerous uses of timers in a project. Timers are also used for delays like you wanna create some delay of 10 sec but you dont wanna use the delay function in your project so you can use timers. You start the timer and then when it comes to 10 seconds then you can do ...