Bourns Absolute Encoder (EAW0J-B24-AE0128L)
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The Bourns Absolute Encoder is a digital control knob that provides 128 unique results evenly spaced around a full circle. It is designed as a control panel knob but can be adapted for other uses. This can be a good alternative to using a potentiometer and analog pin, as this allows for full-turn and multi-turn operation.
It differs from the more common incremental rotary encoder which has only two or four values in a rotation and is designed to measure full rotations and direction. This measures _angles_ and absolute position is maintained between power cycles.
**Includes:**
* Absolute Contacting Encoder (ACE)
* Mounting nut and lockwasher (9mm mounting hole)
**Features:**
* 128 rotary positions
* 360 degree continuous rotation
* Rotational life - 50,000 revolutions (min)
* Max RPM - up to 120
* Absolute digital output will retain its last position between power cycles or in the event of a power failure
* Threaded M9x0.75 in. bushing
* 3/4 in. rotating encoder shaft
* Rear mount terminals
**Documents:**
* [Datasheet](https://d3s5r33r268y59.cloudfront.net/datasheets/8759/2017-01-15-20-12-11/ace.pdf)
* [Bourns EAW - ACE GitHub](https://github.com/arielnh56/ACE128)
**Videos**