Pololu Wheel 80×10mm Pair - Yellow Shipping:2-4 Weeks There are driver chips like

There are driver chips like the MAX7219 that can help control a bar-graph/matrix for you but there's a lot of wiring to set up and they take up a ton of space

All you need to do is design how you want your project to be laid out

the module provides an event for your processor when it detects the NFC tags

Just add your own motor drivers

Motor supply voltage: 6

Pololu Wheel 80×10mm Pair - Yellow Shipping:2-4 Weeks There are driver chips likeThese yellow plastic wheels have silicone tires and measure 80 mm (3. 15) in diameter, and they press fit onto the 3mm D shafts on many of our motors, including our micro metal gearmotors and our mini plastic gearmotors . Additionally, this wheel is compatible with several of our universal mounting hubs , which can serve as adapters for motors with different shafts. This product is a pair of wheels . Overview These wheels are great for robotics,