Does a Rotary Encoder only using the SW pin need a 5V pin

Using Arduino General Electronics
1

Hello I'm trying to use Arduino Nano 33 BLE Sense REV2 to make Smart Glasses and I can't use a breadboard so can I use just a GND pin and SW pin?

Thanks,
zm476

2

The SW connections on a rotary encoder can be used like any other switch.

3

Yes but I dson't have any other switch and will it work without the 5v pin

4

Set the input pin that the SW terminal to pinMode INPUT_PULLUP. Connect the com termial to ground. There is then no need for 5V to the encoder.

image

Switch pin will read HIGH when not pressed and LOW when pressed.

1 Like
5

Okay thanks

6

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