DEFCON32 &mdash; Dirt Cheap Hacking Tools Blog https://blog.dirtcheaphackingtools.com/tag:DEFCON32 Dispatches from the Dirt Cheap Dungeon - store: https://www.dirtcheaphackingtools.com - Fedi: https://infosec.exchange/@hackingtools Wed, 29 Apr 2026 13:48:14 +0000 E-Paper Polaroid Badge https://blog.dirtcheaphackingtools.com/e-paper-polaroid-badge <![CDATA[A fancy camera with an e-paper display and an accelerometer so you can shake it to display captured photos! Overview The E-Paper Polaroid Badge is was a planned Unofficial DEF CON badge featuring: 4.2" E-Paper Display OV2640 Camera Accelerometer (Shake To Reveal, like a polaroid!) SD Storage Bluetooth Li-Po Battery Powered with optional Full USB Bypass (for when the conference is over and you want to power it 24/7) Many RGB LEDs LED-based Flash Ambient Light Detection A COTS cobbled version of this design was worn at #DEFCON32. img src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgebreadboard.jpeg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgecase2.jpg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgecase.jpg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgecots2.jpg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgecots.jpg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidbadgeparts1.jpg" height=300pximg src="https://blog.dirtcheaphackingtools.com/img/polaroidbadge/polaroidnbadge_parts2.jpg" height=300px State Killed in the crib. Note: I stopped working on this project after I saw that I had missed that Adafruit has an OV2640 camera that is almost the exact design I was making except with an OLED or something instead of an e-paper. Get one of these for way cheaper instead. ]]> A fancy camera with an e-paper display and an accelerometer so you can shake it to display captured photos!

Overview

The E-Paper Polaroid Badge is was a planned Unofficial DEF CON badge featuring:

  • 4.2” E-Paper Display
  • OV2640 Camera
  • Accelerometer (Shake To Reveal, like a polaroid!)
  • SD Storage
  • Bluetooth
  • Li-Po Battery Powered with optional Full USB Bypass (for when the conference is over and you want to power it 24/7)
  • Many RGB LEDs
  • LED-based Flash
  • Ambient Light Detection

A COTS cobbled version of this design was worn at #DEFCON32.

State

Killed in the crib.

Note: I stopped working on this project after I saw that I had missed that Adafruit has an OV2640 camera that is almost the exact design I was making except with an OLED or something instead of an e-paper.

Get one of these for way cheaper instead.

]]> https://blog.dirtcheaphackingtools.com/e-paper-polaroid-badge Sat, 03 Jan 2026 23:25:50 +0000