This driver has an integrated simple controller, and offers output current ranging from 0.2 to 2.5 amps/phase with step resolutions from full, 1/2, 1/4, and 1/8. It can be configured and controlled either by a simple RS485 communications bus or step and direction inputs. Different access codes can run multiple modules on the same bus. A non-volatile memory can save user-configurable parameters, and allow them to be restored after a power-down, power-up cycle. The R101 can be customized by Lin Engineering, including reprogramming the inputs for a keypad interface or re-coding the homing command to the index phase of an encoder.
The National Highway Traffic Safety Administrationís recent backup camera mandate could open the door to more vehicle innovations, including better graphical displays, 360-degree camera views, and the increased use of Ethernet.
With support from National Instruments, a group of dedicated students from Connally High School in Austin, where more than 50% of the students are at risk of not graduating, have created a successful robotics team that is competing in the FIRST World Championships.
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