SparkFun
Rotary Encoder
This is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). ...
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This is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an encoder has full rotation without limits. The unit outputs gray code so that you can tell how much and in which direction the encoder has been turned.
This unit does not come with a knob, but a working knob is related below.
Documents:
- Datasheet
- Rotary Encoder Tutorial and Arduino Project.
- Example Arduino Project.
- Example Cooking Timer
- bildr Tutorial
Jargon buster
Plain-language definitions for the technical terms used above.
- encoder
- An encoder is a sensor that converts the rotation or position of a shaft, knob or dial into electrical signals, reporting movement as incremental steps and direction, or as an absolute position. It is used to track how far something has turned, which matters for precise positioning, speed control, repeatable movement, or using a rotary knob as an input.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
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Brands
Sensors & Input
Rotary Encoder Datasheet
Datasheet · 85.1 KB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 517.3 KB · Click any page to view full size
Related Tutorials
Free guides on learn.littlebird.com.au
