This project is a simple people counting system that uses an ultrasonic sensor, an Arduino board, and an LCD display to count the number of people passing through a specific location. The system is ...
Note: This counter is based on chip 74xx93 (counter) used as a frequency divider by 8 the maximum bandwidth for arduino to count is 8 Mhz and we can multiply this number using 74xx93 or any other ...
In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets, etc. The LCDs use liquid crystals to produce images or texts and are ...
Coronavirus is the biggest health crisis in the history of humanity and the fight with it continues as new emerging variants like Omicron are at the brink of spreading, Moreover, according to a study ...