6-24V Input to 5V 3A Output USB Charger Module DC-DC Buck Step-Down Converter
ab 4,23 €
USB to TTL CP2102 UART Module 5Pin Serial Convertor 5v 3.3v + FREE Cables. 6 Pin USB 2.0 to TTL UART Module Serial Converter CH340G Module STC 5V/3.3V. Module Properties: non-isolated buck module (BUCK) synchronous rectification.
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