Gowoops Stepper Motor Hat for Raspberry Pi 3 Model B Zero 2B B+, Full Function Robot Expansion Board, Support Stepper Motor Servo, for DIY Robot Car Mechanical Arm

Does not work. Website for users guide is wrong. Example code does not run. Zip file doesn't match examples in document. Very limited info. Buy from a seller that has proven documentaion and code that works. Do not download the docs file. Has viruses.