Elegoo cards can be used as the brain behind any electronic project. It can interact with buttons, LEDs, engines, speakers, GPS units, cameras, internet and even your smartphone or TV! By connecting the Elegoo card with a personal computer via a USB cable and loading programs on the card, users can create digital devices and interactive objects that can detect and control objects in the physical and digital world such as robot or even honest fortune -telling programmers. The 75hc595 is a serial-porallel converter who has 8 outputs (perfect) and 3 entrances that are used to provide data one bit at a time. This integrated circuit is a little slow to drive the LEDs (it is possible to update the state of the LEDs 500,000 times per second instead of 8,000,000 times per second), but it is quick.
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