Feature

●1, The ESP-01S WiFi module is based on ESP8266 chip, so ESP-01S has all the functions and performance of ESP8266. And compared with ESP-01, ESP-01S has stronger antenna signal, and its pcb layout changed for an improvement in WiFi radio performance.
●2, Very easy to use the USB Programmer, unlike other ESP01 programmer, this one has a little rocker switch on the side which is very handy. You need pull the switch to PROG side when you flash new firmware to the ESP-01S.
●3, Please make sure that you have installed CH340G driver before you plug the USB to ESP-01 Adapter programmer to your PC, since the programmer is with CH340G driver chip onboard.
●4, What you will get is 5pcs ESP-01S 4MB Wifi module, and 2pcs USB to ESP-01 Adapter programmer.
●5, If you have any question, please contact us by email. You can click “Wishiot” under the shopping cart(you can find "Sold by Wishiot" under Buy Now button), in the new page, click "Ask a question" to email us.

Description