USB Adapter for ESP8266 WiFi module ESP-01 and ESP-01S.
CH340G driver for Windows, Mac OS and Linux are available and easy to find online.
This USB Adapter fits our ESP8266 Module ESP-01S.
This adapter is basically meant to be a serial communication and monitoring interface. It’s main function is not to be a programmer, since any USB-TTL bridge can be used for that purpose. But there is an easy way to convert this adapter in a programmer as shown in this Youtube video: