ESP8266 Downloader Serial WIFI Module ESP-01 ESP-01S Firmware Burning Test

Introduce This is an expansion board for ESP 01S WiFi module The expansion board comes with a USB to serial chip CH340G After installing the driver turn the toggle switch of the expansion board to Flash Boot plug it directly into the USB port of the computer and use the Anxin serial debugging assistant to test the AT command Turn the toggle switch of the expansion board to Uart Download plug it directly into the USB port of the computer the ESP 01 module is in the download mode and the firmware can be downloaded to the ESP 01 module through the Anxin firmware download software Technical parameter Working voltage DC 5VWorking current minimum 500mAEnvironmental attributes ROHSCommunication voltage 3 3VSize 55 18 12mmWeight 5 6gPackage includes 1 x expansion board