Sphero BOLT M5 it can output 0-255 for

it can output 0-255 for an 8-bit ADC)

Mobile devices (only on iPad): iOS 11 or above

Python and other programming methods

and 10 blue

which can be used to monitor the change of magnetic field and the direction of magnetic field

Sphero BOLT M5 it can output 0-255 forWith a striking LED matrix and advanced sensors, the Sphero BOLT app enabled robot provides endless opportunities to be creative and have fun while learning. What's in the box Sphero BOLT Inductive charging base with USB charging cable Protractor with heading, directions, and clock Quick Start guide to get you rolling Sticker sheet Sphero Play app available for download on iOS and Android Swift Playgrounds app available for download on iOS. Works with