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ULN2003 Stepper Motor Driver Module. Stepper motors are the main type of motors used within CNC machines and robots. They are used to drive the axis either on their own or in pairs. As such, no extra power connections are needed.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.