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Questions tagged [security]

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7 votes
2 answers
3k views

Is there a way to prevent code being read from an MSP430 without blowing the fuse?

I was recently involved at a project in a small company where we had fears of someone taking the code from the master chip, an MSP430F2419, and using it for a competing product. We ended up blowing ...
Dom's user avatar
  • 349
2 votes
1 answer
830 views

How do I (optimally) connect Elk-924 (high sensitivity relay board ) to DSC PGM output (sinks to ground)

This sounds like a very specific question, but I think it boils to a generic one -- not at all specific to this equipment. But it will take a bit of backstory to get there. My background, btw, is ...
rrauenza's user avatar
  • 291
0 votes
1 answer
1k views

Learning about security of UART and RS232 [closed]

I'm trying to learn about UART and related problems and solutions. IIUC, UART is a hardware, RS232 is an interface and hyperterminal is a program. Would these parts be able to work together? I ...
Niklas Rosencrantz's user avatar
0 votes
1 answer
4k views

Modify Ring Contact Sensor in a series of wired security reed switches

After reading the instructables post on the simplisafe sensor I modified the ring sensor and tried to integrate it with my wired sensors. This is what I found: testing with a spooled wire about 20 ...
lcpr's user avatar
  • 1
0 votes
1 answer
134 views

Thunderstorm reseting my micro-controller

I think this is a follow up from my previous question. If not then please ignore it. I have created a very basic (crude) alarm system that uses a reed switch. Luckily there was a thunderstorm and some ...
JoeyB's user avatar
  • 2,391