Tags » Radio Hacks

Unlocking your Computer with a Leonardo and an NFC Shield

Manually typing your login password every time you need to login on your computer can get annoying, especially if it is long and complex. To tackle this problem assembled an… 134 more words

Arduino Hacks

Sniffing pH Sensor RF Signals for Feedback Re: Your Esophagus

For about a week  had a wireless acidity level sensor in his esophagus and a pager-looking RF receiver in his pocket. So he naturally decided to use an RTL-SDR dongle to… 125 more words

Wireless Hacks

Build Your Own Radio Clock Transmitter

Deep in the Colorado foothills, there are two radio transmitters that control the time on millions of clocks all across North America. It’s WWVB, the NIST time signal radio station that sends the time from several atomic clocks over the airwaves to radio controlled clocks across the continent. 193 more words

Clock Hacks

Radar Imaging in your Garage: Synthetic Aperture Radar

Learn why you were pulled over, quantify the stealthiness of your favorite model aircraft, or see what various household items look like at 10 GHz. In this post we will describe the basics of Synthetic Aperture Radar (SAR) imaging, beginning with a historical perspective, showing the state of the art, and describing what can be done in your garage laboratory. 1,619 more words

Radio Hacks

Hacking Rolling Code Keyfobs

Most keyfobs out there that open cars, garage doors, and gates use a rolling code for security. This works by transmitting a different key every time you press the button. 140 more words

Radio Hacks

ISEE-3: We Get Signal

Out in the depths of space, more than 100 times the distance from the Earth to the moon, there’s a lonely spacecraft gracefully spinning towards an August encounter with our planet. 198 more words

Radio Hacks

Hacking Radio Controlled Outlets

It’s no surprise that there’s a lot of devices out of there that use simple RF communication with minimal security. To explore this, took a look at… 156 more words

Radio Hacks