I recently bought the L293D Motor Shield for the NODEMCU. It has the following structure:
I just want to know why there are 03 pins for each of the GPIO Pins? Why there is D, V and G for every GPIO Pin? I searched through every search engine but can't find much about these. Please help me in this
Also can you please tell me how to just connect a simple sensor (say Buzzer) to the GPIO pins of the Motor shield?