Hall effect sensor with Arduino :
Hall effect sensor is a digital sensor. It is use to detect the magnet. When you came the magnet near to Hall effect sensor, it outputs a HIGH (5V) voltage to its Vout pin
16*2 i2C LCD with Arduino :
The LCD has 2 rows and 16 columns. That’s why it is called 16*2 LCD. We can use the LCD with i2C driver.
Joystick with Arduino :
Joystick is basically a gaming controller. They are used for playing games. It is an input device. It is also called Control stick.
