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Top 5 Positive Customer Reviews for arduino wifi
The baud rate setting of 9600 printed on the PC board is wrong. The baud rate is 115200. The blink program on the Arduino IDE for the ESP8266 doesn't work with this board. To get it to work you need to set the output to pin 2. All 5 boards worked and seem to be reasonable quality. One of the usb sockets was bent and had to be straitened before the plug would go in.