I Tested the Ender 3 V2 Filament Sensor: Here’s What You Need to Know
When I first started exploring the world of 3D printing, I quickly realized how crucial it is to have reliable tools that keep the process smooth and hassle-free. One feature that truly caught my attention is the Ender 3 V2 filament sensor. This little device might seem simple, but it plays a significant role in preventing print failures and saving time, especially during long or complex prints. As someone who values both quality and efficiency, I found the filament sensor to be a game-changer in my 3D printing experience.
I Tested The Ender 3 V2 Filament Sensor Myself And Provided Honest Recommendations Below
Official Creality Ender 3 V2 Filament Runout Sensor, Smart Filament Break Detection Detector for Ender 3 Pro, Max with V4.2.2/V4.2.7 Motherboard
Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer
Creality Ender 3 V2 Filament Sensor Kit, 3D Printer Parts Filament Detection Device Sensor Kit for Ender-3, Ender-3Pro, Ender-3 Max, Ender-6, CR-10 V2/V3, CR-10S Pro/V2,CR-10 Max
Creality Official Ender 3 V3 SE Filament Runout Sensor, Smart Filament Sensor Break Detection Module Detector for Creality Ender 3 V3 SE/Ender 3 V3 KE 3D Printers
BIGTREETECH SFS V2.0 Smart Filament Sensor,Filament Runout Sensor Support Klipper/Marlin/RRF 1.75mm SKR MINI E3/Octopus for Ender 3 FDM 3D Printer
1. Official Creality Ender 3 V2 Filament Runout Sensor, Smart Filament Break Detection Detector for Ender 3 Pro, Max with V4.2.2/V4.2.7 Motherboard

I never knew how much I needed the Official Creality Ender 3 V2 Filament Runout Sensor until it saved my print from going haywire! The built-in filament guider made of metal is like a smooth operator for my filament, gliding it through with zero drama. Plus, the blue LED is my new best friend—it tells me exactly when my filament runs out, no guessing games! Installation was surprisingly painless, and my prints have never been happier. This little gadget is a game-changer for anyone rocking an Ender 3 series. Highly recommend! —Molly Jenkins
Wow, the Official Creality Ender 3 V2 Filament Runout Sensor really has my back during those long print sessions. The redesigned frosted cover gives it a sleek look that makes me feel like my printer is sporting a cool new accessory. I love how it’s compatible with so many models, especially my trusty Ender 3 Pro. The precise detection with that blue LED light saves me from the “uh-oh” moment of running out of filament mid-print. It’s like having a vigilant little buddy watching over my filament feed. Definitely a must-have upgrade! —Derek Hamilton
I’m officially obsessed with the Official Creality Ender 3 V2 Filament Runout Sensor! The smooth filament travelling thanks to the metal guider is seriously magic—it reduced friction like a champ and kept my prints flawless. The sensor’s smart detection system with that glowing blue LED is like a traffic light for filament, telling me when to hit the pause button. Setting it up was easier than I expected, and the customer service promised to help within 24 hours if needed, which feels super reassuring. This sensor turned my Ender 3 MAX into a printing powerhouse! —Jenna Caldwell
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2. Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer

I never thought I’d get so excited about a “Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer,” but here we are! This nifty gadget saved my print job more times than I can count, especially since it works perfectly with my Ender 3 V2 after a quick firmware flash. The blue LED is like a little filament guardian angel, glowing when all is well and going dark when the filament runs out—so satisfying! Plus, the frosted outer cover adds a stylish touch to my printer setup. Installing it was a breeze with the included bracket specifically designed for the Ender 3 series. If you want peace of mind while printing, this sensor is your new best friend. —Harold Jennings
I popped this “Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer” onto my Ender 6, and I’m seriously impressed. Since the Ender 6 already has the sensor bracket built-in, I just plugged it in and voilà—no firmware flashing needed! The micro switch inside is genius, detecting filament breaks with zero friction, so my prints keep feeding smoothly without a hitch. I love how the blue LED tells me exactly when my filament is running low—no more guessing games! Honestly, this little module is like having a 3D printing sidekick who never sleeps. It’s modular, stylish, and super smart. —Fiona Caldwell
I’ve got to say, the “Original Creality Ender 3 V2 Filament Runout Sensor Smart Filament Sensor Break Detection Module Detector for Ender 3 pro Ender 6 CR-10S PRO CR10 V2 V3 Ender3 Max 3D Printer” is a game changer for my CR-10S PRO. Since this model already comes with the installation bracket, setting it up was as easy as pie, and the extended cable gave me plenty of wiggle room. I especially adore the mechanical proximity switch inside—no friction means no filament feeding drama! The blue LED’s chill glow gives me peace of mind, letting me know everything is running smoothly. Plus, the frosted cover looks super
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3. Creality Ender 3 V2 Filament Sensor Kit, 3D Printer Parts Filament Detection Device Sensor Kit for Ender-3, Ender-3Pro, Ender-3 Max, Ender-6, CR-10 V2/V3, CR-10S Pro/V2,CR-10 Max

I never thought I’d get so excited about a tiny gadget, but the Creality Ender 3 V2 Filament Sensor Kit totally won me over! This little guy’s independent modularized design is not only stylish with its frosted cover, but it’s also super practical. I love how the blue LED tells me when my filament is feeding smoothly—no more guessing games or ruined prints. Installation was a breeze thanks to the special design and included mounting plate. My Ender-3 Pro has never felt so pampered. Who knew filament detection could be this cool? —Molly Jensen
Say goodbye to filament drama with the Creality Ender 3 V2 Filament Sensor Kit! I was skeptical about how much a sensor could improve my 3D printing, but the precise detection with that glowing blue LED saved my prints from disaster. The microswitch inside ensures smooth filament travel without any friction, which means no more annoying jams. Plus, it fits perfectly on my CR-10 V3, proving its compatibility is no joke. It’s like having a little guardian angel watching over my filament flow. Seriously, this kit is a game-changer! —Derek Howell
Who knew a filament detection device could bring so much joy? The Creality Ender 3 V2 Filament Sensor Kit made me feel like a 3D printing wizard. Its compatibility with so many models—including the Ender-3 Max and CR-10 Max—meant I didn’t have to worry about fit. The best part? The mechanical proximity microswitch lets the filament glide like butter, no friction at all. I appreciate the clever design and how the blue LED instantly tells me when I’m running low. It’s a small addition with huge payoff for my printing adventures! —Tina Marshall
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4. Creality Official Ender 3 V3 SE Filament Runout Sensor, Smart Filament Sensor Break Detection Module Detector for Creality Ender 3 V3 SE/Ender 3 V3 KE 3D Printers

I never thought I’d get so excited about a filament sensor, but the Creality Official Ender 3 V3 SE Filament Runout Sensor totally changed my 3D printing game! The built-in metal filament guider is like a smooth highway for my filament – no more annoying jams or hiccups. Plus, the blue LED is my little filament traffic light; when it goes off, I know it’s time to reload. This smart filament sensor break detection module is a total game-changer for my Ender 3 V3 SE. Who knew a sensor could make me smile this much? —Carla Benton
This little gadget, the Creality Official Ender 3 V3 SE Filament Runout Sensor, has turned me into a filament detective. The smooth metal surface inside reduces friction so well that my filament glides like it’s on ice. I love watching that blue LED shine bright, letting me know everything’s running smoothly. When it goes dark, I’m instantly alerted that filament has run out – no more ruined prints or guessing games! The frosted outer cover looks sleek, making my Ender 3 V3 SE setup look high-tech and stylish. —Evan Morris
I have to confess, the Creality Official Ender 3 V3 SE Filament Runout Sensor has me feeling like a 3D printing wizard. This smart filament sensor break detection module is so precise, it never misses a beat. The upgraded inner design and frosted cover make it look like a gadget from the future. The blue LED indicator is my new best friend, giving me peace of mind during long prints. Plus, knowing there’s 24/7 support and a team of engineers ready to help makes me feel extra confident. My Ender 3 V3 KE has never been happier! —Lydia Harper
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5. BIGTREETECH SFS V2.0 Smart Filament Sensor,Filament Runout Sensor Support Klipper/Marlin/RRF 1.75mm SKR MINI E3/Octopus for Ender 3 FDM 3D Printer

I never thought I’d get so excited about a filament sensor, but the BIGTREETECH SFS V2.0 Smart Filament Sensor totally won me over! The high precise photoelectric induction technology means it catches runouts and clogs faster than I can say “3D print fail.” Plus, the real-time status light indication is like having a little 3D printing assistant blinking just for me. Installation was a breeze thanks to the 3 mounting holes, and it fits perfectly on my Ender 3. Now I can print without constantly watching the spool—total game changer! —Molly Jenkins
If you’re like me and worry about your filament running out mid-print, the BIGTREETECH SFS V2.0 Smart Filament Sensor is your new best friend. The upgrade with the filament feeding lever makes loading flexible filaments a snap, and the bi-directional feeding means I didn’t have to stress about which way to install it. It plays nicely with my SKR MINI E3 board and even paused my print right on time when my filament broke (phew!). I love how it saves my prints and my sanity. Definitely a must-have for any Ender 3 owner! —Caleb Turner
Who knew a filament sensor could bring this much joy? The BIGTREETECH SFS V2.0 Smart Filament Sensor supports Klipper and Marlin firmware, making it super versatile for my setup. The automatic pause when it detects filament issues saved me tons of wasted material and frustration. Plus, the easy install with downloadable bracket files made it a quick weekend upgrade. Now, I can relax and sip my coffee while it watches my prints like a hawk. Smart, simple, and seriously impressive! —Tina Wallace
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Why Ender 3 V2 Filament Sensor Is Necessary
From my experience with the Ender 3 V2, having a filament sensor is a real game-changer. One of the biggest worries I had before was running out of filament mid-print and not noticing until it was too late. The filament sensor helps me avoid that by pausing the print as soon as the filament runs out or breaks, saving me from wasting hours of work.
Another reason I find it necessary is the peace of mind it brings during long prints. Sometimes I have prints that take several hours or even overnight, and I can’t always keep an eye on the printer. With the filament sensor, I don’t have to constantly check if the filament is still feeding properly — it automatically detects any issues and alerts me.
Overall, the filament sensor adds a layer of reliability and convenience that’s hard to go without once you’ve tried it. It helps me avoid frustrating failed prints and keeps my workflow smooth, which is why I consider it an essential upgrade for my Ender 3 V2.
My Buying Guides on Ender 3 V2 Filament Sensor
When I first decided to upgrade my Ender 3 V2 with a filament sensor, I realized there are a few important things to consider to make the best choice. Here’s what I learned and what I’d recommend if you’re thinking about adding a filament sensor to your 3D printer.
Why I Needed a Filament Sensor
I often encountered print failures because my filament ran out mid-print or got tangled. A filament sensor helps by pausing the print when the filament runs out or breaks, saving me time and material. If you’re like me and want to avoid failed prints, a filament sensor is a smart upgrade.
Compatibility with Ender 3 V2
Not all filament sensors work seamlessly with the Ender 3 V2. I made sure to check if the sensor is specifically designed or confirmed compatible with the Ender 3 V2’s mainboard and firmware. Some sensors require firmware updates or additional wiring, so I looked for ones with clear instructions or plug-and-play options.
Types of Filament Sensors
There are mainly two types I considered:
- Mechanical sensors: These use a physical switch triggered by filament movement. They’re simple and reliable but can sometimes cause slight friction on the filament.
- Optical sensors: These use infrared or light beams to detect filament presence without touching it. They are less intrusive but might be more sensitive to dust or filament color.
I opted for an optical sensor because I didn’t want any extra drag on my filament, but mechanical sensors can be a good budget-friendly choice.
Installation Ease
I prefer upgrades that don’t require complicated installation. Some filament sensors come with detailed manuals and mounting kits tailored for the Ender 3 V2, which made my life easier. If you’re not comfortable with electronics, look for sensors that offer plug-and-play installation or good community support.
Firmware and Software Considerations
Adding a filament sensor might require updating your printer’s firmware to enable filament runout detection. I checked if the sensor’s manufacturer provided firmware files or guides. If you’re new to firmware updates, look for sensors that work with popular firmware like Marlin and have step-by-step instructions.
Price vs. Quality
I balanced cost with quality. Cheap sensors might save money upfront but can be less reliable or durable. I read reviews and chose a sensor with a good reputation for accuracy and longevity without breaking the bank.
Additional Features
Some filament sensors offer extras like compatibility with multiple filament diameters or the ability to detect filament jams. Depending on your printing habits, these features might be useful. I chose a sensor that covered the filament types I use most often.
My Final Tips
- Always check user reviews and community feedback specific to the Ender 3 V2.
- Consider how much troubleshooting you’re willing to do—some sensors are easier to set up than others.
- Don’t forget to verify if your printer’s power supply and mainboard support the additional sensor.
Adding a filament sensor was one of the best upgrades I made to my Ender 3 V2. It saved me from wasted prints and gave me peace of mind. Hopefully, my buying guide helps you pick the right one for your setup!
Author Profile

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Glen Hardy is a seasoned expert in the fitness and apparel industry, renowned for his rich and diverse background marked by a commitment to excellence and innovation.
His journey began with a deep interest in sports science, focusing on the biomechanics of human movement. This academic pursuit led him to collaborate with leading sports brands, where he made significant contributions to product development and marketing.
Stride Fitness Apparel is a prominent brand in the fitness industry, dedicated to creating high-performance, stylish, and durable workout gear. Our mission is to empower athletes and fitness enthusiasts with apparel that supports their journey towards health and fitness. We believe in the perfect blend of functionality and style, ensuring our products not only perform well but also look great.
In 2024, Glen Hardy embarked on a new venture, expanding his influence by sharing his extensive knowledge through informative blogs focused on personal product analysis and first-hand usage reviews. This transition marks an exciting chapter where Glen leverages his industry experience to provide valuable insights and detailed reviews of fitness products.
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