To get logs out of the device as well as to communicate with the device using serial port, we must install CP21x driver. DO NOT apply 5V as is suggested in some blog posts online. The Board sold by are NodeMCU V2 version. To use external power, Pin Vin and Gnd must be connected to +5V and GND respectively. Sometimes using a usb hub with multiple devices connected can cause issues. Although, in some cases it may be advisable to use external power supply, if your application power requirements are more. The board can be powered through PC’s USB port, using a micro usb cable. Its Amica V2 version, which is breadboard compatible and uses CP2102 usb-uart bridge IC. If you have not bought it yet, then you can buy it here from our webstore. We’ll discuss first steps which are needed for you to explore full potential of this wonderful device. ESP8266 Amica dev board is a low cost, way to make your project wifi capable.
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