Horner Electric HE693STP111E Indexer Stepper Motor Module: Amazon.com: Industrial & Scientific
Stepper Motor HAT (B) for Raspberry Pi/Jetson Nano, Onboard Dual HR8825 Motor Controller IC with Built-in Microstepping Indexer, Drive Two Stepper Motors, up to 1/32 Microstepping, for 3D Printer etc. : Amazon.co.uk: