ITEM NAME:5PCS 5V to 3.3V DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA AM21 5PCS 5V to 3.3V DC-DC Step-Down Power Supply Buck Module AMS1117 LDO 800MA AM21 a.imagelink a:hover.imagelink {color:#5a5959;.Cannot reverse polarity, or it will be short circuit, or will be born easily ! Output: 3.3 V, 800 mA. We will reply you ASAP. Kindly note.
