SparkFun

Rotary Encoder - Illuminated (RGB)

Name: Rotary Encoder - Illuminated (RGB)
Brand: SparkFun
SKU: SF-COM-15141
Price: 10.39 AUD
Availability: InStock

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Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round and round)...

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Rotary encoders can be used similarly to potentiometers. The difference being that an encoder has full rotation without limits (It just goes round and round). They output gray code so that you can tell how much and in which direction the encoder has been turned. They're great for navigating menu screens and things like that.

This encoder is especially cool because it has a common anode RGB LED built in, as well as a push-button. This version has an updated material that is heat resistant and slightly changed dimensions, but should still work well with our rotary encoder breakout board.

Jargon buster

Plain-language definitions for the technical terms used above.

breakout: A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
encoder: A device attached to a motor or shaft that reports movement, such as rotation steps or position. In a pump system, an encoder can help measure or control how much the motor has turned, which affects how repeatable the watering amount can be.
LED: A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
RGB: Short for red, green and blue, usually referring to an LED that can mix those three colours. It matters because controlling an RGB LED teaches how separate outputs combine to create different colours.