Fangrui Product Details Fangrui Product Details Fangrui Product Details 1. Blackberry Trackball Sensor, 360 Trackball Module 2. Vcc Uses 3.3v Or 5v Power Supply 3. The Four Directions Of Up, Down, Left And Right And The Button In The Middle Can Be Combined For Identification. 4. Four Types Of Led Lights: Red, Green, Blue And White, Which Can Be Controlled Separately 5. 20x28mm Size, Portable Use Instructions For Use 1. Connect To The Development Board Through The 11pin Header. Vcc Can Be 5v Or 3.3v. 2. Fon Up Bak Down Lef Left Rig Right Sw1 Middle Button. These 5 Pins Serve As Key Inputs And Are Connected To The Microcontroller 3.red Red Gre Green Blu Blue Whi White. These 4 Pins Are Used As The Output Of The Microcontroller. The High-level Light Is Off And The Low-level Light Is On. 4. After Connecting, Write A Program On Your Own Development Board. Overview The Trackball Module Is Designed And Manufactured Using The Blackberry Trackball. The Module Can Drive The Rotating Shafts In The X And Y Directions Through Roller Motion. It Rotates Through The Multi-pole Magnetized