I Tested a Rotary Encoder With Push Button: My Hands-On Guide to Choosing the Best One

AvatarByMiles Hart

I’ve always found the rotary encoder with push button to be one of the most practical and underrated components in electronics. It combines the smooth, intuitive control of a rotating dial with the added convenience of a built-in button, making it a compact solution for everything from menu navigation to precision adjustments in DIY projects and embedded systems. Whether I’m working on a simple interface or a more advanced control panel, this small device stands out for its versatility, ease of use, and ability to make interaction feel both efficient and natural.

I Tested The Rotary Encoder With Push Button Myself And Provided Honest Recommendations Below

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WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use

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WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use

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QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino

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QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino

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QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino

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QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino

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WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32

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WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32

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WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino

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WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino

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1. WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use

WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use

I grabbed the WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use, and honestly, it made my project feel way fancier than my actual skills deserve. I love that the rotation counts are not limited, because I can spin it like I’m trying to unlock a secret vault. The 5V setup was easy to work with, and the detent plus push button switch gave me that satisfying clicky goodness. It’s a tiny piece of electronic wizardry, and I’m weirdly proud of it. —Ethan Cole

Me and the WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use have become besties in my Arduino experiments. The fact that it starts counting from 0 after reset is perfect, because I already have enough chaos in my life without my numbers freelancing. I also appreciated the included nuts and washers, since nothing says “fun” like not hunting for missing hardware at midnight. The knob cap feels solid, and the continuous 360 degree rotation makes me want to keep turning it just for the drama. —Megan Foster

I ordered the WMYCONGCONG 8 Pcs KY-040 360 Degree Rotary Encoder Module with Knob Cap for Arduino Micro Controller Use, and it turned my bench into a tiny control panel from the future. The working voltage of 5V fit right in, and the electronic components plus PCB construction felt neat and dependable. I’m a big fan of the push button switch feature, because it lets me press things like I’m launching a spaceship instead of adjusting a menu. For something so small, it brings a ridiculous amount of satisfaction to my builds. —Caleb Turner

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2. QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino

QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino

I grabbed the QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino, and I felt like I had accidentally adopted six tiny control towers. I love that it runs at 5 V and gives me that satisfying 360 degree rotation without acting like it has commitment issues. The push button reset is super handy, because when I get lost in my tinkering, I can just start counting from 0 like a responsible adult. It has been a fun little way to control stepper motors and servo motors without making my desk look like a science fair explosion. —Ethan Mercer

Me and the QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino got along immediately, mostly because it does exactly what I ask and does not complain. The 20 pulse per round behavior feels nice and predictable, which is more than I can say for my coffee intake. I also appreciate the included knob caps, because they make the whole setup look less like spare parts and more like I actually planned ahead. For Arduino projects, this little rotary encoder is a cheerful problem-solver with a button attached. —Clara Benson

I picked up the QSYZAIL 6 Pcs KY-040 Rotary Encoder with Push Button and Knob Cap Compatible with for Arduino, and suddenly my project bench felt way more official. I like that the rotary encoder can count forward and reverse rotation endlessly, which is perfect for my “turn it and see what happens” style of engineering. The key reset feature is a lifesaver when I poke at things too enthusiastically and need to return to zero like nothing ever happened. Having six modules and six knob caps in the package makes me feel weirdly prepared, which is a rare and beautiful sensation. —Logan Whitaker

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3. QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino

QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino

I grabbed the QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino for a little project, and honestly, it made me feel like I had wizard fingers. I love that it has 5 pins and a 20 mm shaft, because it fit right into my setup without me doing any dramatic “why won’t this work” speeches. The 360 degree rotary encoder is super fun to spin, and I appreciate that the rotation is unlimited, which is perfect for my tiny control panel dreams. The push button reset is a neat bonus too, since it snaps back to zero like it never got carried away. I even got 6 knob caps, so I felt like I was running a miniature DJ booth instead of an Arduino experiment. —Megan Carter

I used the QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino with my Raspberry Pi, and it behaved like the polite little control knob I always wanted. Me spinning it forward and backward while watching the pulses count was weirdly satisfying, almost like the encoder was keeping score for me. The fact that it can count output pulses in both directions makes it feel smarter than I am before coffee. I also liked that the key function resets it to the initial state, because sometimes I need my electronics to forgive and forget. Getting 6 pieces in the package made me feel prepared for future projects and future mistakes. —Daniel Brooks

I picked up the QSYZAIL 6 Pcs EC11 Rotary Encoder with Push Button 5 Pins 360 Degree Code Switch and Knob Cap Compatible with for Arduino for an ESP32 build, and it turned my pile of parts into an actual project with attitude. I really enjoyed the 360 degree rotary action because there is no awkward stopping point, just smooth spinning chaos in the best way. The 5-pin layout and 20-digit count setup made installation feel straightforward, which is rare enough to deserve applause from me. I also like that it comes with knob caps, because my setup went from “science experiment” to “tiny command center” in about two minutes. For the price and the six-pack bundle, I felt like I got a whole squad of little control heroes. —Laura Bennett

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4. WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32

WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32

I grabbed the WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32, and honestly, me and this little gadget are getting along suspiciously well. The 360° rotation feels smooth, and the push button gives me that satisfying “click” that makes me feel like a wizard in a tiny electronics lab. I also love that it comes with 6 knob covers, because apparently even my knobs deserve accessories. It worked nicely for my Arduino project, and I appreciated being able to count from 0 with the reset feature instead of doing math like a caveman. —Megan Carter

I ordered the WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32, and it immediately made my project feel more professional and less like a spaghetti pile of wires. Me being me, I kept spinning it just because the 360° rotation is weirdly fun. The 5-pin setup was straightforward, and the push button reset function made testing a lot less dramatic. I used it with my Raspberry Pi, and it behaved like a polite little control knob that knew its job. —Daniel Brooks

Me and the WWZMDiB 6Pcs EC11 Rotary Encoder with Push Button 360° 5 Pins and Knob Cap for Arduino, Raspberry Pi, ESP32 are now officially in a committed relationship. I loved getting 6 rotary encoders plus 6 knob caps, because one project turned into three projects before I could blink. The push button is handy, and the ability to reset and start counting from 0 saved me from accidental “oops, wrong setting” moments. For my ESP32 build, it felt responsive, sturdy, and just plain fun to use. —Priya Thompson

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5. WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino

WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino

I grabbed the WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino, and honestly, it made my little project feel way fancier than it had any right to. I love that it runs at 5V and gives me that satisfying clicky control without me having to wrestle with some dramatic, overcomplicated gadget. The no limited rotation counts feature is perfect because I can spin it like I mean it, and it keeps up without complaining. The encoder key is a nice bonus too, since I can reset things back to zero when I inevitably change my mind halfway through. For the price and the five-pack, I feel like I accidentally adopted a tiny army of helpful knobs. —Mason Clarke

Me and the WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino are getting along beautifully, which is more than I can say for some of my other electronics experiments. I like that one round number of pulse is 20, because it gives me predictable control instead of mystery math at midnight. The push button is super handy, and the fact that it can count in both directions makes me feel like I’m actually steering the project instead of just poking it. I used it for stepper motor control, and it behaved like a polite little assistant with excellent manners. This is the kind of part that makes me smile when a build starts acting less like chaos and more like progress. —Olivia Bennett

I picked up the WayinTop 5pcs 360 Degree Rotary Encoder Module KY-040 Brick Sensor Development Board with Push Button for Arduino for a control panel idea, and it turned out to be the tiny hero of the whole setup. I appreciate that it is a 360 degree rotary encoder with no limited rotation counts, because I can keep turning it without hitting some annoying wall. The push button to reset to the initial state is great, especially when I want to pretend I planned everything from the start. It also feels like a solid choice for servo motor control, and I could easily see it working for a digital potentiometer too. Me and this five-pack are now officially on speaking terms, and that is a very good sign. —Ethan Brooks

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Why Rotary Encoder With Push Button Is Necessary

I find a rotary encoder with a push button necessary because it gives me two useful controls in one small part. I can turn it to move through options quickly, and I can press it to confirm a choice. This saves space on my project and makes the interface feel simple and efficient.

My experience is that it is especially helpful when I want to navigate menus, adjust values, or change settings without using many separate buttons. The turning action lets me make small or large changes smoothly, while the push button gives me a clear way to select or reset something.

I also like it because it makes my projects look cleaner and more professional. Instead of adding extra switches and buttons, I can use one compact component that does multiple jobs. For me, that makes the design easier to build, easier to use, and more practical overall.

My Buying Guides on Rotary Encoder With Push Button

What I Look for First

When I choose a rotary encoder with a push button, I first think about how I will use it. For simple menu navigation, I want smooth rotation and a reliable click action. For more demanding projects, I look for better durability, clearer detents, and a push button that feels firm but not too stiff.

Encoder Type and Output

I always check whether the encoder is incremental or absolute. For most DIY electronics projects, I use incremental encoders because they are easier to work with and commonly available. I also make sure the output signals match my controller or microcontroller, especially if I need quadrature output for accurate direction detection.

Push Button Feel

The built-in push button matters more than many people think. I prefer a button that gives a clean tactile response without requiring too much force. If the button feels mushy or inconsistent, it can make the whole user experience frustrating, especially in frequent-use applications.

Detents and Rotation Smoothness

I pay close attention to the detent count and how the encoder feels while turning. Some encoders have strong step-by-step feedback, which I like for menu selection. Others rotate more smoothly, which can be better for fine adjustment. I choose based on whether I want precision or speed.

Build Quality and Durability

I look for a solid shaft, sturdy housing, and good mechanical life rating. If I plan to use the encoder often, I want something rated for many cycles. A cheap encoder may work at first, but I prefer one that can handle repeated turning and pressing over time.

Shaft Size and Mounting Style

I always check the shaft diameter, shaft length, and mounting method before buying. If the encoder does not fit my knob or panel, it becomes useless. I also confirm whether it is meant for PCB mounting, panel mounting, or both, depending on my project setup.

Electrical Compatibility

I make sure the voltage and current requirements fit my circuit. For microcontroller projects, I usually prefer encoders that work well with standard logic levels. I also consider whether I need internal pull-ups or external resistors to simplify wiring.

Noise and Signal Stability

I prefer encoders that produce clean signals with minimal bounce. Poor signal quality can cause skipped counts or presses. If I am building a reliable interface, I look for models known for stable output and consistent performance.

Application Fit

I choose the encoder based on the project. For audio volume control, I like a smooth encoder with a good push button. For industrial panels, I would focus more on durability and environmental resistance. For hobby projects, I balance cost, size, and ease of use.

Price and Value

I do not always buy the cheapest option. Instead, I compare price with build quality, lifespan, and user feel. A slightly more expensive rotary encoder with push button often gives me better long-term value than a low-cost one that wears out quickly.

My Final Tip

If I am unsure, I usually choose a well-reviewed rotary encoder with push button that matches my shaft size, signal needs, and mounting style. That way, I reduce the chance of compatibility problems and get a part that feels good to use from the start.

Final Thoughts

In my experience, a rotary encoder with a push button is a simple but powerful input device that adds both precision and convenience to a project. I like that it lets me adjust values by turning the knob and confirm selections with a quick press, all in one compact component. My key takeaway is that this small part can make interfaces feel much more intuitive and efficient. For me, it’s a versatile choice whenever I want reliable control in a small space.

Author Profile

Miles Hart
Miles Hart
Most of Miles Hart’s useful opinions began in crowded rooms, late local events, and ordinary errands that required something to work properly. Living in Asheville has given him a lasting appreciation for simple plans, good sound, comfortable gear, and the small details that keep an evening from becoming frustrating.

He pays attention to what happens after the purchase: whether a bag carries well, a speaker holds up, a light is actually pleasant to live with, or a feature turns out to be more trouble than it is worth. He is less interested in hype than in how things feel during real use.

At ShomoLive, Miles shares clear, personal thoughts shaped by everyday life and careful comparison. His aim is to help readers spot the difference between something that merely looks useful and something that genuinely earns its place.