
The LogiSwitch LS30 Rotary Encoder Switch Debounce IC utilizes LogiSwitch NoBounce™ Technology to debounce inherently noisy mechanical rotary encoders. The LS30 generates a clean Pulse (P) signal to indicate the end of a click cycle and the Direction (D) signal to indicate the rotation direction. There is also a Switch In (SI) and a corresponding debounced Switch Out (SO) in the case that the rotary encoder includes a pushbutton switch.
Designed for precision and reliability the LS30 is ideal for applications requiring accurate position sensing and control. Whether you are developing consumer electronics or industrial automation systems this versatile IC ensures seamless integration and optimal performance. Experience the difference with LogiSwitch and elevate your projects to new heights of functionality and user experience.

Success Stories
Customer successes in using the LS30 to solve noisy rotary encoder problems.
- The LS30 Rotary Encoder NoBounce IC Eliminated the Need for Microcontroller Debounce Code and Enabled the Use of Noisy Rotary Encoders
- The LS30 Rotary Encoder NoBounce IC Eliminated Switch Bounce and Saved Many External Components
- New LS30 Rotary Encoder IC Eliminated Guy Riffle’s Rotary Encoder Switch Bounce Problems

Videos
- LS30 – Rotary Encoder Debounce IC Overview Video – Joe Farr, the Chief Engineer at LogiSwitch, introduces the LS30 Rotary Encoder Switch Debounce IC in a video. The LS30, leveraging NoBounce™ Technology, effectively debounces noisy mechanical rotary encoders. Designed for various encoder types, it’s particularly valuable for mechanical versions prone to signal bounce.
- Sean Heber designed an electronic Etch-A-Sketch that used rotary encoders for the two knobs.
- Full video (17:01)
- LS30 portion of the video (3:34)