hey guys Im a begginer and I need some help. Im using an arduino NANO and I don't have enough gnd inputs can I connect 2 components to just one GND input using this? If not, what can I use?
yes you can.
There are many ways to get extra ground connections, like using a piece of strip board and wiring 1 ground to that. Then all the rest of the holes in the strip are grounds.
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Even 5 if you want. Be aware that you can't drive high current "components", like motors, from arduino pins. If you have doubts, tell what your components are...
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