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.
It’s a great programmer for the ESP-01. It’s very easy to just plug it in and send AT commands, or flip the switch to program and upload a sketch from Arduino IDE. Also you don’t need a separate 3.3V power supply to power the ESP-01.
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, etc,.
Package Included:
1 X USB to ESP8266 ESP-01 Wireless Wifi Adapter Module
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