At the DefCon security conference in Las Vegas this week, SparkFun Electronics hackers used cheap robots to crack SentrySafe's safes in about half an hour.
The robot can reduce the number of possible password combinations of the safe from 1 million to a thousand, and then automatically try it quickly until it is cracked.
With 3D printing components, the $200 robot can match most brands of safes.
The hacker took advantage of the groove size of the safe digital dial and the tolerances allowed by the design to drastically reduce the number of possible combinations of passwords.
UL Metal Case Wide Voltage Led Driver
UL Metal Case Wide Voltage Led Driver
It is specially used in the US market, over UL certification, steel shell packaging, high safety performance, for panel lights, troffer indoor use, conventional products, stable quality, high PF value, 100-277 input, to avoid in high temperature and humid environment use.
Questions about flicker-free light may arise at this point. To be fair, it should be pointed out that fluorescent tubes operated with conventional or low loss ballast also flicker at 100 Hz and the light output is reduced at lower ambient temperatures. Fluorescent lamps operated with an ECG, including energy saving lamps, work at 44 – 50 kHz so that the lamps normally do not flicker. In reality, however, things are a little different. While a higher switching frequency is used, the input capacitors are to small for cost reasons. This causes the high frequency circuit in the lamp to be supplied with a strongly pulsating voltage. This pulsation creates a brightness modulation in the emitted light which is why these lamps often have a rather high level of flicker at 100 Hz.
Led Driver 50-70V,Constant Current Led Driver Pf,Driver For Led Panel Lights
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