1Pc Esp8266 Esp-01S 4Mb Serial Wifi Wireless Transceiver Module + 1Pc Ch340G Programmer Usb To Esp-01 Wireless Adapter Module 4.5-5.5V

Color|Yellow|Hardware Interface|Usb|Compatible Devices|Desktops|Total Usb Ports|1.
1, Esp8266 Esp-01S Serial Wifi Wireless Transceiver Module Used 4Mb Flash, Not 1Mb Flash.
2, Usb Programmer Selectable Working Mode: On-Board Toggle Switch. Uart Side For Serial Ttl Debugging By At Commands, Prog For Firmware Programming.
3, Programmer Usb To Serial Ttl Chip: Ch340G, Please Check If Your Computer Has Installed The Driver Before Use It.
4, Esp-01 Serial Wifi Module Can Be Directly Plugged Into The Yellow Pin Header Of The Usb Programmer Module Without Any Connection Wires.
5, What You Will Get: 1Pc Esp-01S 4Mb Wifi Module + 1Pc Usb Programmer Esp-01S Adapter Module. If You Have Any Question, Please Feel Free To.