I want to replace an old pc which were used for controlling some devices in our lab. For this purpose we need a small pc with at least 26 GPIO-ports and the ability to send the retrieved data over network. The old pc was a 486er with DOS 6.2. So, is the raspberry fast enough for replacing this pc, (there should be enough GPIO-Pins according to the datasheet), or should I look for something else like a beaglebone black?
The target of the mini pc is to control some stepper motors (which have already a driver) over GPIO-Pins, but we maybe we want to extend this, so I am not sure if 26 GPIO-Ports are enough. Frequency of shifting is not known at the moment, earlier the switching was done by an isa card.