5 V 16 MHz ATmega32u4 Micro USB Platine + Kabel für Arduino R3 Replace Pro Mini
ab 1,32 €
It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, an ICSP header and a reset button. It has a form factor that enables it to be easily placed on a breadboard.
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