@misc{pinmap,
	url={https://www.roboburada.com/public/assets/ESP8266/pinmap.png}
}
@misc{esp8266,
	url={http://www.c-sharpcorner.com/article/blinking-led-by-esp-12e-nodemcu-v3-module-using-arduinoide/}
}
@misc{micropython-doc,
	url={https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/intro.html}
}