Rotary Encoder - Illuminated (Red/Green)

Rotary encoders are used similarly to potentiometers. They're different from potentiometers in that an encoder has full rotation without limits. They output gray code so that you can tell how much and in which direction the encoder has been turned.

This encoder is especially cool because it has a red/green 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 and the clear knob.

  • Switch Travel: 0.5mm
  • Shaft Diameter: 6.0mm
  • Shaft Length: 18mm
  • Vertical Through-Hole Mount
  • Red/Green LED
  • Pushbutton

Rotary Encoder - Illuminated (Red/Green) Product Help and Resources

Core Skill: Soldering

This skill defines how difficult the soldering is on a particular product. It might be a couple simple solder joints, or require special reflow tools.

2 Soldering

Skill Level: Rookie - The number of pins increases, and you will have to determine polarity of components and some of the components might be a bit trickier or close together. You might need solder wick or flux.
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Core Skill: DIY

Whether it's for assembling a kit, hacking an enclosure, or creating your own parts; the DIY skill is all about knowing how to use tools and the techniques associated with them.

1 DIY

Skill Level: Noob - Basic assembly is required. You may need to provide your own basic tools like a screwdriver, hammer or scissors. Power tools or custom parts are not required. Instructions will be included and easy to follow. Sewing may be required, but only with included patterns.
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Core Skill: Programming

If a board needs code or communicates somehow, you're going to need to know how to program or interface with it. The programming skill is all about communication and code.

3 Programming

Skill Level: Competent - The toolchain for programming is a bit more complex and will examples may not be explicitly provided for you. You will be required to have a fundamental knowledge of programming and be required to provide your own code. You may need to modify existing libraries or code to work with your specific hardware. Sensor and hardware interfaces will be SPI or I2C.
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Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

1 Electrical Prototyping

Skill Level: Noob - You don't need to reference a datasheet, but you will need to know basic power requirements.
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Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • For the curious, the body is 0.3mm taller and the knurled part of the shaft is 0.3mm shorter than the old version. It is otherwise identical.

  • I assume that current limiting resistors are incorporated into the LEDs. I read the datasheet (not the best I've seen) but found no reference to these resistors. From the example sketch, it seems the LEDs are hooked up directly to the Arduino pins. --Thanks--

    As for the encoder, it works well...

    • I don't think there are built in resistors, I connected +5V to the red diode anode and it was very bright for a very short time ;-) Then it was dead...

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