This downloader features the CH340C USB to serial port chip and incorporates an automatic download circuit for ESP8266. It simplifies program downloads, firmware upgrades, and serial port debugging for ESP-01/01S users. It supports Arduino IDE, Essence ESP8266 Flasher and Espressif FLASH-DOWNLOAD -Download software such as TOOLS can be downloaded with one click, no wiring required, no need to press any buttons. The WiFi module will automatically enter download mode.
 
Feature of USB to ESP8266 CH340C Programmer Downloader :
Driver : CH340C
size : 14x35mm
power supply : USB-A Male 5v with Integrated Voltage Regulators
support esp8266 ESP-01/01S
Notice:
install driver for ch340