5/10PCS 5V to 3.3V 800MA AMS1117 DC-DC Buck Step-Down Power Supply Module
ab 1,19 €
2/5/10Pcs x Step-down module. Output: 3.3 V, 800 mA. Cannot reverse polarity, or it will be short circuit, or will be born easily ! Size: 8.6mm x 12.3mm.
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