WiFi-enable a wide variety of USB devices using an ESP8266 and a USB host shield. For example, add a WiFi interface to a USB barcode reader or a USB RFID keyfob reader. The WeMos D1 R2 board appeared ...

Works with the Classic Controller, Hori Battle Pad, NES Classic Mini Controller and most likely the SNES Classic Mini Controller. It uses the HID-Project library and so will only work with Arduino ...