Badgy – The IoT Badge Everyone Wearing at Electronic Events
Days are gone when everyone was wearing a boring piece of laminated paper on a lanyard and calling it a badge. The craze of IoT badge has begun and you will start seeing people wearing IoT badges in all electronic events these days. This is not just cool but it goes with the theme. If you are attending Defcon 26 this year, you would have already seen the craze of IoT badge. They are giving it to all attendees of the conference with an inbuilt puzzle challenge.
Squaro Engineering has already open sourced the hack for building your own IoT badge. They call it Badgy and you can order an assembled one for yourself from tindle. Badgy is a rechargeable IoT badge with an e-ink display and WiFi connectivity. It is compatible with Arduino so you can easily program it for multiple purposes.
Badgy is powered by an ESP-12F, Badgy features a 2.9″ 296×128 E-Ink display and a five-way tactical switch for user input. The default firmware includes support for WiFiManager and OTA updates to make uploading your own binaries as easy as possible, and a number of example Sketches are provided to show you the ropes. Badgy is powered by a LIR2450 3.6 V lithium-ion rechargeable coin cell, it can run for up to 35 days in deep sleep, 21 hours of light usage and around 5 hours if used very heavily.
Badgy by default comes with a welcome message when you power on. You can connect it to wifi and upload a new framework with your own message. Schematics, source code, and a Bill of Materials are all available under the MIT license if you want to try your hand at building your own, and assembled badges are available on Tindie.
You are interested in the Defcon badge, there is an ongoing challenge to solve the hidden puzzle in it and you can join it here. There is also a public chat room to discuss whats going on. Good luck if you are solving the Defcon badge puzzle.
Also, read –