<ul><li>A new ESP32 antenna array, called ESPARGOS, allows users to visualize the WiFi world in an augmented reality view.</li><li>The antenna array consists of eight ESP32-S2FH4 microcontrollers and eight 2.4 GHz WiFi patch antennas, which extract channel state information from received packets.</li><li>The array provides the necessary information to calculate the direction and strength of a signal, enabling the creation of a heat map overlay on a webcam image.</li><li>ESPARGOS has the potential to be used in various applications and allows for interesting experiments, such as measuring reflected WiFi signals to see around corners.</li></ul>

Octet of ESP32s Lets You See WiFi Like Never Before

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