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OPEN-SMART USB to ESP8266 ESP-01 Wi-Fi Adapter Module w/ CH340G Driver
USB to ESP-01 adapter module has CH340G USB to TTL driver IC onboard£¬ so you can easily use your computer to do ESP-01 functional debugging. ESP-01 serial Wi-Fi module can be directly plugged into the yellow pin header without any connection wires. Features: - Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator) - Working current: 300mA(LDO regulator can supply) - Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands£¬ PROG for firmware programming - USB to serial TTL chip: CH340G - Logic level: 3.3V - Applications: Home automation£¬ sensor networks£¬ industrial wireless control