USB to Serial Module 5V 3.3V WEMOS CH340G Breakout Board Adapter For Arduino
1,38 €
1PCx WEMOS Module. Connect R/C port to CTS, it can flash Arduino boards(such as: Arduino pro mini). 3.3V (Using LDO, 300mA MAX). 5V (The max current depends on your USB port, usually 500mA). Connect R/C port to RTS, it can flash ESP8266 module(such as: ESP-01 02. 12F).
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