Pololu 1090 Wheels 42x19mm (Pair)
Pololu-1090-Wheels-42-x-19mm-Pair-Pololu-1090-p-A-set-of-white-plastic-wheels-with-rubber-tyres-The-wheels-will-press-fit-onto-the-3mm-D-shafts-on-motors-Teeth-on-the-hub-optionally-allow-a-reflectance-sensor-to-be-used-for-encoder-feedback-br-br-These-brackets-are-just-one-of-the-many-b-Pololu-b-accessories-carried-by-b-Rapid-b-p-Pololu-1090-Wheels-42x19mm-Pair-
Pololu 2128 A4988 Stepper Motor Driver Breakout Board
Pololu-2128-Breakout-Board-for-A4988-Stepper-Motor-Driver-Pololu-2128-p-This-stepper-motor-carrier-is-a-breakout-board-designed-for-use-with-the-b-A4988-b-DMOS-microstepping-bipolar-stepper-motor-driver-The-increased-performance-from-the-4-layer-PCB-improves-thermal-performance-allowing-the-driver-to-deliver-20-more-current-than-previous-carriers-The-breakout-board-gives-five-different-step-resolutions-full-step-half-step-quarter-step-eighth-step-and-sixteenth-step-and-there-is
Pololu 3081 Magnetic Encoder Pair Kit for Micro Metal Gearmotors
Pololu-3081-Magnetic-Encoder-Pair-Kit-for-Micro-Metal-Gearmotors-Pololu-3081-p-The-Pololu-3081-Magnetic-Encoder-Pair-Kit-includes-two-dual-channel-hall-effect-sensor-boards-and-two-6-pole-magnetic-discs-that-can-be-used-to-add-quadrature-encoding-to-two-micro-metal-gear-motors-with-extended-back-shafts-p-p-The-encoder-senses-the-rotation-of-the-magnetic-disc-and-provides-a-resolution-of-12-counts-per-revolution-of-the-motor-shaft-when-counting-both-edges-of-both-channels-To-compute-the