These are individual components that are purchased separate from the various Sensor Packs
When the time comes to build Stepper Motor content: GT2 Idler Pulley HiLetgo 2pcs 3D Stepper Motor Driver 42 Stepper Motor Driver Expansion Board
So far all of these that I've seen have a resistor built in. By also supplying positive voltage to the G, Y or R pins you are able to turn…
KeyesIR Obstacle avoidance sensor module
HW-513 Shock switch sensor module
HW-512 Active buzzer module
HW-511 Tracking sensor module
HW-509 Linear hall Sensor module
HW-508 Passive buzzer module
HW-507 Humidity sensor module