RK-Education-L293D-Stepper-Motor-Drive-PCB-Kit-RK-Education-KIT-This-versatile-PCB-has-been-designed-for-the-L293D-H-Bridge-motor-drive-chip-BR-BR-A-href-http-www-rapidonline-com-pdf-70-6011_v 2-pdf-B-Assembly-notes-are-available-here-B-a-BR-BR-L293D-Motor-Drive-Kit