Official Many versions of the official Arduino hardware have been commercially produced to date:[1][2] Name Processor Format Host interface I/O Release date Notes Processor Frequency Dimensions Voltage Flash (KB) EEPROM (KB) SRAM (KB) Digital I/O (pins) Digital I/O with PWM (pins) Analog input (pins) Analog output pins Arduino Uno WiFi rev 2[3] ATMEGA4809, NINA-W132 Wi-Fi …
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