Samy Kamkar demonstrates a nasty little homebrew spying device called KeySweeper that can snoop on wireless keyboard traffic and send what it finds over GSM cell networks. The device is built into a USB charger so it can be hidden anywhere, and is made from an Arduino, small 2.4ghz transceiver, and Adafruit FONA. Samy’s post goes into great detail about how the device is built, and how it cracks the wireless keyboard encryption. Great job!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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