Подключение шагового двигателя к arduino, драйвер DRV8825. HD

Нюансы подключения шагового двигателя к ардуино, через драйвер, drv8825, схема и пример кода. Библиотека: https://github.com/adafruit/AccelStepper Двигатель: https://alitems.com/g/1e8d114494b3d19c3abf16525dc3e8/?subid=yt001&ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2F2-Phase-4-Wires-Stepper-Motor-Wih-22mm-All-Metal-Planetary-Reduction-Gearbox-Gear-Motor-Diy%2F32762883841.html%3Fspm%3D2114.13010608.0.0.orEvLt Драйвер: https://alitems.com/g/1e8d114494b3d19c3abf16525dc3e8/?subid=yt001&ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2F3D-Printer-StepStick-DRV8825-Stepper-Motor-Driver-Carrier-Reprap-4-layer-PCB-RAMPS-replace-A4988%2F32618856994.html%3Fspm%3D2114.13010608.0.0.qh5F5B Корпус для аккумов: https://alitems.com/g/1e8d114494b3d19c3abf16525dc3e8/?subid=yt001&ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2FHigh-Quality-Battery-Box-Holder-Batteries-Case-for-4x-18650-in-Parallel-3-7V-Pole-Black%2F32520849010.html%3Fspm%3D2114.13010608.0.0.kvUQtN Плата arduino mega 2560: https://alitems.com/g/1e8d114494b3d19c3abf16525dc3e8/?subid=yt001&ulp=https%3A%2F%2Fru.aliexpress.com%2Fitem%2F2014-the-last-new-MEGA-2560-R3-development-board-FOR-arduino-an-improved-version%2F32247818078.html%3Fspm%3D2114.10010208.100007.3.womBZc%26scm%3D1007.13482.37805.0%26pvid%3D532bb170-273d-4940-8dc9-c3e001e6c154%26tpp%3D1