If you want to add Wi-Fi to your devices then get the new Arduino Uno WiFi Rev.2. Wi-Fi security is handled by the new ECC608 crypto chip accelerator. The Arduino Uno WiFi has 14x digital input/output pins (six of which can be used as PWM outputs), 6x analog inputs, a 16MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button.
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