Pololu Multi-Hub Wheel w/Inserts for 3mm/4mm Shafts - 80x10mm Black (2-Pack) Brand_BitPLATES Standby current: <200 Microampere(pA)

Standby current: <200 Microampere(pA)

See the technical specifications and pinouts for details

The HAT attaches to the Raspberry Pi via the 40-pin header and included USB PCB adapter

using the GPIO pins as input/outputs

These ports allow you to extend with various sensors and electric modules

Pololu Multi-Hub Wheel w/Inserts for 3mm/4mm Shafts - 80x10mm Black (2-Pack) Brand_BitPLATES Standby current: <200 Microampere(pA)These versatile black plastic wheels have silicone tires and measure 80mm in diameter. What makes them special is the included set of interchangeable collets that can be inserted into the wheel to firmly grab four different shaft types: 3mm D 3mm round 4mm D 4mm round The collet inserts start with a comfortably loose fit on their intended shafts, and unlike simple press fit wheels, their grip on the shaft gets progressively tighter as they are