GOD vs NO GOD - And the Winner Is?

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HACK AND CLONE CAR KEY FOB, MY EPIC FAILURE...!!

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In this blog post i'm sharing my experience on cloning the my car key fob signal and how to do it properly. first things frist the cars now a days comes with a wireless remote key where u get atleast 2 or 3 options like lock,unlocking ,trunk(we call it as dickey!!!).....these options let your car access wirelessly and some cars are completly keyless for even driving. the keys of the cars are actually communicating with certain frequency like 433.xxxMHz or some countries uses 315.xxxMHz...the car companies uses an algorithm called " ROLLING CODES "...these are not that esay to crack cause they change every time u press key and once the key transmitted it cannot be used again... but a hacker named "samy kamakar" demonstrated an attack called REPLAY ATTACK where u simply transmitt the signal by recording the key fob away from car or blocking the signal and then recording. so this is how i've tried it..frist i needed to listen to the signals as possible in 10KHz...
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HACK HC-05(BLUETOOTH MODULE) FRIMWARE INTO HID FRIMWARE

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This post helps you to change the firmware of the hc05 Bluetooth chip into hid enabled Bluetooth chip. The HID stands for “HUMAN INTERFACE DEVICES” means things like your keyboard, mouse, printer, joysticks, etc.. Drivers get automatically installed in your computer without any external drivers needed.   The hc05 default don’t have hid capability but, the chip hc05 uses is same clone of chip RN-42 uses (BC417) , the RN-42 is an HID enabled chip. We gonna swap the firmware’s of rn42 into hc05. [NOTE: this particular hc05 chip comes with serial interface in it if you perform this swap it no longer work as serial Bluetooth chip. If you want you can save the firmware of hc05 and re-swap again to work normal]. That being said what are the things we need to perform this task are: 1.   HC05 module for sure (duh!) 2.   RN-42 chip {Wait if you are performing this task you must be very enthusiastic in electronics or extremely poor then why the hell you gonna buy an r...
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secrets of arduino atmega328p adc

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In this tutorials i'm gonna tell you all about the adc present in arduino famous boards like UNO,NANO,MINI....the atmega328p chips consist of the " 10-bit resolution adc " inside the uC. The type of adc is used in is  Successive approximation ADC . these are kind are slow but gives good resolution though. let's dig in registers of adc in atmega328p. To read analog input we need The reg " ADMUX ". T he adc reg have a Pin called AREF (adc reference voltage). The gives 10-bit number i.e 0-1023, 0-0V & 1023-5V. it measures using this formula       Vin = (Analog Ref * analogRead() ) / 1024 we need stable AREF voltage we can use internal 1.1V reference or we need to provide a stable voltage anywhere between 0.3V-5V externally. [NOTE: if ur are planning to provide external voltage to aref pin present on arduino uno,nano,mini, the recommended value is less than 5v to be safe on safe side cause the voltage of external 5v source may not be 5v exactly so if it i...
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