Rotary Encoder Module

Marsoni

M251S

$59.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Rotary Encoder ModuleThis rotary encoder module is a full continuous 360 unlimited rotation encoder, with 20 pulses per revolution or one pulse activation per 18 of rotation. This makes it surprisingly accurate without being too sensitive, resulting in a simple but effective Input control method. Of course, you can also choose to code your microcontroller with specific actions when the encoder is rotated or the push button pressed, although the standard operations are

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Packaging is awful, makes a complete mess. The product itself is okay, the little rods that come with it don't slide in easily and force you to scrape the metal with them when you install it , not the greatest design. Instructions also are not the best. Also, why are the holes to hang the shelf at the bottom?? Doesn't make much sense

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Reviewed in the United States on April 9, 2026