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FYSETC SD-WIFI with Card-Reader Module run ESPwebDev Onboard USB to serial chip
Introduction The FYSETC SD-WIFI is a module that can run ESPwebDev（https://github.com/ardyesp/ESPWebDAV）. We made it into the shape of an SD card so it can be directly inserted into an existing SD card slot and powered. You can connect it to the router using the serial command we provided, and then write down the returned IP address. Then, a WebDAV client like Windows can access the file system on the SD card like a cloud disk and allow remote replication / Paste / delete files on SD card. If you have used Flash-Air SD card for Toshiba, you should understand this method. But Flash-Air cannot be connected to the router because it is running as an AP, and only one device can be connected to it. For example, if your computer is connected to it, you can no longer connect to the Internet at the same time. However, our module is used as a client to access the LAN, and all devices in the network can access it without affecting the original connection. Summary Operating Voltage: 3.3V（Via SD Finger ）/5V（Via USB） USB to serial chip: CH340E Max Current: 600mA Size: 49.5mm x 24mm Feature On-board SD card reader (for card reading via USB) Onboard USB to serial chip (used for wifi configuration via serial port) USB toggle switch (between card reader and serial chip) 3.3V 600mA LDO (used when WIFI module power supply is plugged in USB) package: module*1 USB cable*1