UNO R3 ATmega328P Development Board USB Uno Board For Arduino
Regular price
$10.99
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Product Description
1.Weight:42g.
2.Working voltage :3.3 V / 5 V is optional.
3.Maximum current:500 mAh.
4.Support: 7-23 v input.
5.Use external power supply:at most 2 a 5 v.
6.Power supply.
7.More stable AD sampling.
8.Easier to press the reset button.
9.The expansion of the pin leads.