Motors Used:

1 DC Motor

4 Servo Motors

For Dettol

Motors Used: 1 DC Motor

Motor Sizing

m=50g

r=3.5cm

T=mgr=0.05 x 9.8 x 3.5

T=1.715 x FOS

T total= 2.5= 2

For rated torque of 2 kg-cm, required rpm at 12V is 60rpm

Battery Sizing

Battery=5v Battery(FOS)=5*1.5 =7.5V