The fact that there are 2 VCC MFDs on the front makes me think that to solve the badge, you must power two MFDs at once. Unlike MFD 2, 3, and 4 which are connected to pull down resistors and pins on the microcontroller and MFD 1 and 6 which are connected to VCC. * MFD 5 is literally not connected to anything.
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I don't know how to signal the badge that I'm 'going.' but I'll try some things soon. * MFD 4, when connected to either 1 or 6, makes the tower repeat the pattern Perhaps this is flashing red then flashing green, which would be a game of stop and go from ATC light signals. * MFD 3, when connected to either 1 or 6 will change the pilot controlled lighting in a cycle over. It also makes the tower lighting start alternating green and red which is the ATC light gun signal for "Exercise Extreme Caution." * MFD 2, when connected to either 1 or 6 produces the "Do you believe?" string over UART. * MFDs 1 and 6 are connected as long as the power is on. Here's what I've found so far, if it helps: The command below extracts the firmware and saves it to a file in Intel hex format. I soldered pins to the ISP connector onboard and was able to extract the ATMEGA88P firmware using a USB ASP v3 and a program called avrdude.
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So cool! Interestingly, the runway lighting and UFO lighting settings seem to persist when you turn the badge off and on again. DefCon DD1206 Professional Digital Radio Frequency RF Bluetooth, GSM (Cellular), WiFi, Detector Hunter Sweeper Visit the Discover It Store 4.0 out of 5 stars 24 ratingsDEFCON 1 brings you job opportunities every week and counts on members like you to submit job listings to share and post in this newsletter. I also discovered that if you connect pad 1 or 6 to pad 1 for about 3 seconds, a blue UFO will light up at the end of the runway. Using a jumper wire I played around with connecting the pads on the front of the badge and discovered that connecting either pad 1 or 6 to pad 3 toggles through four different runway lighting levels: off, low, medium, and high. If I understand correctly, this is a system that allows a pilot to control airfield lighting via radio.
/i/018711/products/2021-07-19T23%3A33%3A47.173Z-IMG_20210719_170754.jpg "defcon 29 badge")
The output above also mentions Pilot Controlled Lighting. Taking the advice from the About the Badge output, I measured the potential between each pad and ground with a multimeter and found the following: I numbered the MFD/solder pads on the front of the badge in the third picture in this post. I mentioned before that the MFDs in the art on the front of the badge are done with solder pads, so I'm guessing that the message about connecting the MFDs in varying combinations should be interpreted literally. They act as a mini lie detector, they have a GSR sensor and a heart beat sensor that you can use to test different polygraph countermeasures (like flexing your butthole). Have you connected the MFDs in varying combinations?ĭo you know what "Lost Comms" would look like from the control tower?Īre you familiar with Pilot Controlled Lighting? The Defcon 29 Tor 'Lie Detector' Badge Gigs and I made some electronic badges for the Tor Project this year that will be sold at defcon.
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