BSidesPDX
BSidesPDX 2017
The October 20-21, 2017 Portland Security BSides edition at Oregon Convention Center whose official schedule included BSidesPDX 101 badge context and Rob Rehrig's Ox-Vox talk about an add-on for that year's unreleased BSides PDX badge, while PDX Badgers preserves the public BMD-300 Eagle board/schematic/BOM archive.
Oregon Convention Center, Portland, Oregon · United States · 2017
badge add-on talk
The official speaker page describes Ox-Vox as an add-on for that year's unreleased BSides PDX badge, tying the badge to a pre-release add-on hacking workflow.
Compatibility: BSidesPDX 2017 BMD-300 Badge
badge interface
The BOM lists an OLED screen and two navigation switches, while the Eagle files expose I2C display/front connector paths and switch wiring.
Compatibility: BSidesPDX 2017 BMD-300 Badge
debug and expansion interface
The Eagle schematic and board preserve SWD, UART, I2C display/front connectors, jumpers, and a four-pin right-angle header for badge hacking and add-on work.
Compatibility: BSidesPDX 2017 BMD-300 Badge
hardware architecture
The repository BOM lists a BMD-300 module and the Eagle schematic exposes the Nordic/BMD-300 pinout, SWD pins, NFC pins, and power connections.
Compatibility: BSidesPDX 2017 BMD-300 Badge
power architecture
The BOM lists a CR2032 battery holder and ALPS power switch, and the schematic links the battery holder through the switch into the 3V3 path.
Compatibility: BSidesPDX 2017 BMD-300 Badge