loefflerlabs.com

ChipBit is an RFID-driven computer for families that I have built on the Raspberry Pi platform. It makes it easy for children to play freeware, sandboxed webapps, and retro edutainment via Ruffle and ScummVM: hackaday.io/project/2071...

I am excited to share that my project, RCT IRL: Roller Coaster Tycoon Ratings in Real Life, has been awarded "Best in Gaming" in the Invent the Future with Arduino UNO Q and App Lab competition! Check it out: www.hackster.io/contests/inv...

My new project detects what birds are in your yard by their calls, then displays their image from Audubon's Birds of America- check it out!

Thrilled that my project BPM Coach won Best Health Solution in Hackster's "Modern Java in the Wild" contest! This project turns $1 BLE fitness bands + Java 26 into a group heart-rate monitor for classrooms, trainers & more! www.hackster.io/contests/mod...

Created by Kevin Loeffler, Spectacle is an M5Stack StickS3-based keychain that continuously scans for and detects nearby smart glasses to preserve your privacy.

Remember playing RollerCoaster Tycoon during your childhood? Kevin Loeffler's project uses an Arduino UNO Q to get excitement, nausea, and intensity scores for real roller coasters just like in the game: projecthub.arduino.cc/mrmemory/rol...

I recently participated in my first Game Jam and shipped a real, playable game! FrameFrenzy turns any YouTube video into a moving sliding tile puzzle. Give it a try: 🧩 Frame Frenzy 3×3 ✅ 1:36 | 110 moves framefrenzy.games?v=E4WlUXrJgy...

Ever stare out the window and wonder where that plane overhead is going? Kevin Loeffler's PlanePortal is a CircuitPython-powered flight tracker for your desk.

🧩 Frame Frenzy 3×3 ✅ 1:36 | 110 moves 🟩🟩🟩 🟩🟩🟩 🟩🟩⬛ framefrenzy.games?v=E4WlUXrJgy...

Ever look up and wonder where that plane overhead is going? Kevin Loeffler's PlanePortal is a real-time flight tracker for your desk.

I work by an airport and find myself wondering about the planes flying overhead. What are they? Where are they going? My new desk toy is a simple electronics project that tells you! www.hackster.io/kevin-loeffl...

Commercial throwable microphones can cost hundreds of dollars! My latest project shows you how you can make your own with a repurposed dog toy. These are great for encouraging engagement in classrooms and presentations! www.instructables.com/TossTalk-Bui...

Channeling the ghost of Edward Teller

Excited that my project, which lets you browse the modern web on a 1997 Tiger Game.com, has been awarded a prize in this year's Junk Drawer Competition!

If you're like 45% of Americans, you have your old cell phone in a drawer (yougov.com/en-us/articl...). My new Instructable shows you how to turn your old phone into an interactive whiteboard for classrooms using my prototype, open-source software! www.instructables.com/Turn-Your-Ol...

I am excited to share that BlueKai, the open-source BlueSky client for KaiOS feature phones, has been awarded an Influencer Judges Choice award as part of Kiroween 2025! Check out BlueKai and the other winners here: kiroween.devpost.com/project-gall...

Check out how I got a 1997 Tiger Game.com connected to the internet again 2026! www.hackster.io/kevin-loeffl... Probably the most fun I've had with a retro gaming/vintage computing project in a while.

Kevin Loeffler can now browse the 2026 web on a 1997 handheld by reverse engineering its modem protocol and building a serial-to-HTTP gateway.

Learn how I used a serial cable, Python, and AT commands to get 1997's Tiger Game.com back on the web! www.hackster.io/kevin-loeffl...

BlueKai is a BlueSky client for KaiOS phones! Supporting KaiOS 2.5 and newer, you can post, like, repost, keep your profile up to date, and scroll your timeline anywhere you take your phone. youtu.be/aQAQOIzGeAo?...

Just submitted ForecastSkill to the 2025 OpenWeather Challenge, a Claude Skill that scores weather conditions for activities like skiing, hiking, and picnics as well as gets up-to-date weather forecasts from OpenWeather's API right in your Claude chats. Code: github.com/kevinl95/ForecastSkill

I’ve just published TeXBloX, a free and open-source Forge app for Confluence that renders LaTeX math natively on your pages. No CDNs, no data collection! It runs entirely on Atlassian’s infrastructure. Marketplace link: marketplace.atlassian.com/apps/2235854...

NEW: Senator @wyden.senate.gov says AI-camera company Flock is violating federal law by not enforcing multi-factor authentication. 404 Media previously found Flock credentials included in infostealer infections.

Have you ever been accused of a crime that you did not commit? It can be challenging to prove your innocence, but just imagine how hard it can be when law enforcement claims they have surveillance camera footage as proof. Chrisanna Elser spent days collecting evidence to prove her whereabouts. 1/3

WindGuard, a free project I wrote that protects your inflatable holiday decorations with just a smart plug and a few minutes to deploy some code that checks your local weather to the cloud, was featured on Instructables today! #halloween #diy www.instructables.com/Keeping-Ghos...

Just shipped Web Check CI - automated browser compatibility scanning for GitLab pipelines using Google's Baseline standards. One-line setup, scans JS/CSS/HTML against baseline years, shows issues in merge requests! Open source of course: gitlab.com/loefflerlabs...

"Quishing", or QR-code phishing, is on the rise! www.QRTrust.fyi is a web app I made that you can use on your Android or iOS phone to scan QR codes and find out if the website they link to is suspicious. It works by checking each url against the crowd-sourced PhishTank database!

For Postmark’s Inbox Innovators hackathon I built a cool new project! EmailDrop uploads email attachments straight to your Google Drive. Great for teachers, freelancers, or anyone tired of inbox clutter or file management! More here: dev.to/mrmemory/dro... #Postmark #Serverless #Python

Just glue some gears on it and call it Steampunk... Spotted at Six Flags America

Wrote a fun privacy tool called Privotron to help folks opt out of data broker databases (you know, the sites that trade your info likely without your knowledge or consent). It's actually a framework so the community can contribute "playbooks" to opt out of more brokers! dev.to/mrmemory/dat...

Did you know that a product's barcode can tell you a lot about where a company does business? OriginTrackr is a free, offline-ready progressive web app I have built that scans barcodes and tells you in what country a product's barcode is registered. dev.to/mrmemory/ori...

If you were also worried that you missed the nova of T Coronae Borealis (T CrB) this week, it looks like we will be waiting until November to see if the Blaze Star will go off: en.wikipedia.org/wiki/T_Coron...

In light of reports that Signal links are being blocked on X, learn how to use your own domain to create censorship-resistant links for use on social media: dev.to/mrmemory/cre...

🤔 Ever driven off and thought, "Did I leave the garage open?" Meet Garage Guardian—my Hackster.io Junk Drawer entry! 🚪💡 Using a smart bulb and AWS, it tracks your garage door so you don’t have to. Swap your opener's bulb and deploy it with one click! www.hackster.io/kevin-loeffl...

This holiday season, I’m bringing a little tech magic to the North Pole! Meet SambaSanta, which uses SambaNova Cloud’s lightning-fast AI models to let kids send letters to Santa and receive personalized replies via email! 🎉 Deploy it with a single click to AWS here: github.com/kevinl95/Sam...

Learn how to build your own map of MTA E-ZPass retailers and color-code them based on wheelchair accessibility using Python, Folium, and Netlify! This was my submission for the 2024 MTA Open Data Challenge (new.mta.info/article/cele...)! Link: github.com/kevinl95/ez-...

My latest project was recently featured on Instructables! In this guide I will show you how to build a low-power credit card skimmer detecting keychain. These skimmers, often found in gas pumps and ATMs, emit a Bluetooth signal that this keychain can detect. www.instructables.com/Making-an-E-...