This board is made for microstepping for stepper motors. It can attach directly to the controller's 96-pin DIN connector, with no cables required, and Galil's SDM-20620 works well with 2-axis applications. The SDM-20640 measures 6.92 × 5.10 inches. It includes four microstepping drives on one board, each capable of driving a two-phase bipolar stepper motor running at 18V dc to 60V dc at up to 3.5 Amps. They also put out 64 microsteps per full step or 256 steps per full cycle, for 12,800 steps per revolution for a standard 200-step motor, with a maximum step rate generated by the controller of 3 million microsteps/second.
Days after a massive, distributed denial-of-service attack took down dozens of major websites around the country, ARM Holdings plc is rolling out a pair of new processor architectures aimed at shoring up IoT security.
Dow Chemical and several other companies have launched a program in Omaha, Neb. to divert about 36 tons of plastics from landfills in its first phase, and convert it into energy used for cement production.
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