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1 x DC-DC 5V to 3.3V 9V 12V 24V USB Step UP/Down Module Boost. A——The indicator light is on, indicating that the current digital tube displays the current value, the unit is A;. USB male or microUSB can be used as input, which is very convenient to use.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.