Build your own felted inductively heated house shoes #WearableWednesday


These are the perfect shoes for sitting inside during a snow day! Via derwassi on Instructables.

In this instructable I’ll show you how I solved the problem of my girlfriend having cold feet all the time.

Because warm shoes fit perfectly to the coldest time of the year, those shoes will be her christmas present:-)

I’ve seen quiet a few solutions to warm up your feet by the use of a heating element. But all of them are either rather expensive (e.g. heated soles, which contain a li-po battery warming your feet for a few hours), bulky (external battery pack which has to be attached to the leg somewhere), not very economically (pretty much every solution using batteries) or just unhandy (powering via USB-cable => I think pretty much everyone can see the attached laptop crashing on the floor…).

I decided for a nearly cableless solution. I added a heating element which is powered via inductive coils. So while you’re sitting in your favorite spot you can put your feet on some kind of platform and your feet get warm, you can still move around freely and don’t have to change or reload any batteries.

on the down side: Your feet are not warmed up while walking around.
But on the other hand: when you’re walking around and working inside you usually don’t freeze…


  • Very basic soldering skills (attaching cables…)
  • knitting and hand sewing (if you want to make the shoes really warm;-))
  • You should be able to cut with a knife, without losing a finger;-)


  • two pairs of inductive chargers (I used those:
  • heating elements (I scavanged mine from two heated scarfs)
  • approx. 12V/10W power source.
  • approx. 2m of two-wire cable
  • A pair of house-shoes (you need some with a hard sole, so that you can integrate the inductive coils)
  • felt wool for knitting + 5 size 12 knitting needles
  • Yarn (to attach the felted house shoes to the hard soles)
  • plywood (~4 times the size of your foot)
  • glue
  • epoxy glue
  • wood glue
  • some thick paper
  • some laquer
  • exacto knive
  • Soldering iron
  • scroll saw or hand saw
  • needle nose pliers
  • small drills

See the full tutorial here.


Featured Adafruit Product!


Inductive Charging Set – 5V @ 500mA max: Inductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargable electric toothbrush: you may have noticed that you recharge it by placing it into the holder, but there’s no direct plug. These chargers work by taking a power transformer and splitting it in half, an AC waveform is generated into one, and couples into the second coil. Read more.

Flora breadboard is Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be sure to post up your wearables projects in the forums or send us a link and you might be featured here on Wearable Wednesday!

As 2022 starts, let’s take some time to share our goals for CircuitPython in 2022. Just like past years (full summary 2019, 2020, and 2021), we’d like everyone in the CircuitPython community to contribute by posting their thoughts to some public place on the Internet. Here are a few ways to post: a video on YouTub, a post on the CircuitPython forum, a blog post on your site, a series of Tweets, a Gist on GitHub. We want to hear from you. When you post, please add #CircuitPython2022 and email to let us know about your post so we can blog it up here.

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 32,000+ makers on Adafruit’s Discord channels and be part of the community!

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more

CircuitPython – The easiest way to program microcontrollers –

Maker Business — Pololu’s account of the chip shortage

Wearables — Stay frosty

Electronics — High voltage logic

Python for Microcontrollers — Python on Microcontrollers Newsletter: CircuitPython 2022 Survey, Python #1 in 2021 and more! #Python #CircuitPython @micropython @ThePSF

Adafruit IoT Monthly — 2021 in Recap!

Microsoft MakeCode — MakeCode Thank You!

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — New Products 1/12/22 Feat. Adafruit QT Py ESP32-S2 WiFi Dev Board with uFL Antenna Port – STEMMA QT!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at !

No Comments

No comments yet.

Sorry, the comment form is closed at this time.