Transceiver Converter Module, Process DC 3.3V Compact Size Aut | Shop The World
From USA
NewTgoon
Transceiver Converter Module, Process DC 3.3V Compact Size Automatic Control R411B01 Transceiver Converter UART Serial for Humidity Sensor(5V)
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.