Then have to figure out from where we will take the + 5V and GND. The fact is that the Arduino MEGA board has only three +5V pins and five GND pins. It is not sufficient to connect all the devices.
GND and 5V pins on the Arduino MEGA 2560
You can do all the corny easy - twist. Option is not the most beautiful and not the best, but if absolutely everything is bad - it is possible and so.
More acceptable way to use the connecting bus or terminal blocks WAGO.
Thus, we can increase the number of contacts 5V and GND.
All the wires that will be connected to this WAGO connector will have a good electrical contact.
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