ESP8266 Wi-Fi Transceiver Module + USB to ESP-01 Adatper Serial Wireless Adapter Debugging Firmware Programming for Arduino

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Product Description


ESP-01 is Wi-Fi serial transceiver module based on ESP8266.The SOC has Integrated TCP/IP protocol stack.It is TTL serial communication interface and its parameters can be set by AT command. It is widely used in networking, smart home project when it is connected to the wifi router. It can be used for remote monitoring of home appliances, bedroom temperature and humidity, controlling home appliances and smart car by the mobile phone.

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 and upgrade the firmware. ESP-01 serial wifi module can be directly plugged into the yellow pin header without any connection wires.


– Working voltage: 4.5V – 5.5V (On-board 3.3v LDO Regulator)

– Working current: 240mA(MAX)

– 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

– Serial port baud rate: 1150 (default), can be modified to other values Sby AT command

– Serial communication format: 8N1

– Antenna Type: Built-in PCB antenna is available.

– Wireless Network Mode: station / soft AP / Soft AP + station

– Wireless criteria: 802.11 b / g / n

– WIFI @ 2.4 GHz, support for WPA / WPA2 security mode

– It is very easy to design projects by AT command

– Applications: Home automation, sensor networks, industrial wireless control, smart car.

Part List ( Schematics and program can be sent via e-mail,Please contact us)

1 X ESP-01 module

1 X USB to ESP-01 adapter module

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ESP-01 + USB to ESP-01 Adapter Module

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