hi, Does anyone know how I can control a stepper motor through a USB port (USB only!). know a chip that control a stepper through USB directly? or a chip that parallelizes data from a USB port? Any chip that can get me halfway to controlling it will be valuable info too.
Kunal
do a search on google for USB stepper control or motor control there are several off the shelf USB/motor control products available.
If you want to do it yourself, you could use a FT245BM from ftdichip.com, which implements a USB to parallel interface that looks like a serial port from the PC side. To this, you could interface an H-Bridge (bi-polar), MOSFET driver (unipolar) to drive the stepper motor or one of the stepper controller chips.
->hi,
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