8mm Micro Vibration Motor for Mobile 74HC393 5 TOUCH - Active Low

5 TOUCH - Active Low output when there is a touch on the sensor by a finger

Quadcopter or Robot

By simply waving in front of the onboard IR sensor the switch turns on which means the power will be supplied in the output pins

which is their main advantage

8mm Micro Vibration Motor for Mobile 74HC393 5 TOUCH - Active LowThis is an 8mm Cellphone Micro Vibrator Motor with a 10mm Wire length. When these tiny circular motors spin, they vibrate due to offset weights. Because they are found in pagers and cell phones with a "vibrate" feature, they are commonly referred to as "pager motors" or "coin vibrators." Phone vibration motor is a DC brush motor for achieving the phones vibration feature, when you receive a text message or phone, the motor starts to drive high speed