DeFeel Firmware Update
To use the WebProgrammer you must open this page with a Google Chrome browser (at least version 61 or newer)
2. Connect your device directly to the computer (do not use a USB HUB).
PRESS THE CONNECT BUTTON AND SELECT THE DEVICE
CP2102N USB to UART Bridge Controller.
ATTENTION
IF IT DOES NOT APPEAR, VERIFY THAT IT IS CONNECTED DIRECTLY WITHOUT THE USE OF A HUB AND THE DEVICE IS POWERED ON.
IF THE ABOVE THINGS ARE CORRECT, YOU MAY NEED TO INSTALL THE DRIVER AT THE FOLLOWING ADDRESS AND REPEAT THE PROCEDURE FROM STEP 1.