Frog
The frog is equipped with two bellows. These two bellows function as the legs. Several types of movement can be realised: Paper template
Gripper
The gripper is equipped with a bellow. When the bellow is inflated, the fingers of the gripper close, thereby grasping the object. When the pressure in the bellow decreases, the …
Bird
The bird is equipped with a bellow in its body. By inflating the bellow, the bird flaps its wings down.
Valve (oscillator)
The oscillating valve opens and closes rapidly to let air flow through only part of the time. This allows for the creation of circuits that depend on some type of …
7. Pressure divider
Note: In this circuit you built with the bellows, the top bellow feels all the pressure from the pump, but the bottom bellow feels only half the pressure because it …
