Green LED Means GO For Supercon Badge Hacking

In addition to great speakers and enlightening workshops at Supercon, we have an area set aside for attendees to hack on their conference badges. There is no prerequisite beyond having a badge and a willingness to get hands-on. From hardware beginners to professional embedded system developers, we welcome all skill levels!

The image above is a free-form LED light sculpture by [4C1dBurn], who had just learned to solder and this is how a new skill was put into practice. In the background is the badge hacking arena: 7 tables set up in a row with 6 seats per table. The doors opened at 9AM and almost all the seats were filled by 9:30AM. There’s a constant flow as people leave to attend a talk or workshop, and others arrive to fill the vacancy.

In our hardware hacking overview, we shared an example of an LED array controlled by badge using shift registers. Several badge hackers built on top of this idea. [X] is making a version for surface mount LEDs, and [macegr]’s variant incorporated an USB-to-serial adapter on board to reduce wire clutter. He calls it a “quality of life improvement” and we think it’s brilliant.

Any reduction in wire clutter can only help with the many glorious explosions of wires scattered about. This particular example is a work-in-progress by [carfucar] turning a badge into wireless remote for a large array of WS2812B LED strips.

Heeding our call to action in the hardware hacking overview, there are at least two efforts underway to add wireless communication capability to the badge. [Preston] is making good progress teaching a badge to talk to an AVR-IoT module. [morgan] and [Ben] are building a mesh network using ESP32s. If it gets up and running, they’ve brought a bunch of ESP32s to add more nodes to their network.

For the talks currently on stage, go to the Supercon event page and click “Livestream” in the upper right corner for the official live stream. Badge hacking will continue all through Supercon, parts of which will be visible through unofficial livestream of badge hacking from attendees like [X]’s robot [Sharon].

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