Parallax Inc 28114 for use with ActivityBot

Boe-Bot, ActivityBot and Shield Robot With Arduino Kits include 2 x Encoder Wheels and tyres as standard. Mobile robot encoder wheel ; tyre. A plastic wheel with an O-ring tyre designed to work with an ActivityBot wheel encoder module providing odometry for a small mobile robot. The narrow profile makes this wheel ideal for applications requiring precise steering. Encoder wheel spokes work with the ActivityBot wheel encoder module (RS ; 843-0878 843-0878 ) Produces 32 encoder output pulses/revolution Fits most servo motor hubs (excluding Hitec) Tyre retained by tabs on the wheel rim Wheel diameter: 66mm (including tyre) Tyre: 1/8in size 228 NBR O-ring