Stemedu USB to ESP8266 ESP-01S Programmer Wireless WiFi Transceiver ESP-01 PROG Serial Adapter Module CH340G with 4MB Flash, 115200 Baud Rate

Key features

• 🚩 Baud Rate: 115200, Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming, ESP8266 ESP-01S upgrade to 4MB Flash
• 🚩 After programming the esp-01 and ar-duino uno, you can program over the air (ota), that is a base function of the ESP
• 🚩 This ESP-01S Prog WiFi Programmer 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 wifi module can be directly plugged into the yellow pin header without any connection wires, please install driver before use it
• 🚩 ESP-01S Prog WiFi programmer module with reset button, Please search B08QMMGZLB on Amazon.
• 🚩 What you will get: 1PCS ESP8266 ESP-01S 4MB Module and 1PCS USB to ESP8266 ESP-01S Programmer Module.