peristaltic pump

13 OD x 4 ID x 5 height mm ball bearings and 9mm OD 1mm wall silicone tube used. the geared dc motor is taken from a toy robot i salvaged on council garbage collection day.
13 OD x 4 ID x 5 height mm ball bearings and 9mm OD 1mm wall silicone tube used. the geared dc motor is taken from a toy robot i salvaged on council garbage collection day.