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Rotary encoders can be rotated to count the number of pulses output during forward and reverse rotation. The rotary encoder can be reset to the initial state, i.e. counting from 0, by pressing the key on the rotary encoder.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.