it is the program in which the temp. is indicated by the help of led.

It is the hardware device that show the data of the covid_19 patient on the lcd display in which

it is the aurdino program which i used the servomotor

it is the aurdino program which i used the pir sensor with led

it is the aurdino program of the ultrasonic sensor

It is helpfull for new commer in competetive coding to under stand the code