Con el NodeMCU conectado por USB al PC y a la máquina virtual Raspbian arrancar el IDE de Arduino y abrir un ejemplo en File-->Examples-->ESP8266-->Blink Mediante el icono Upload se carga el firmware ...

In summary, This project shows how the Arduino uno and the ESP8266 or nodeMCU communicate via I2C protocol. The nodeMCU as a master sends a "hello Arduino" string to the Arduino and the Arduino uno as ...

An efficient and reliable security system is always an important requirement for residential buildings. Though there are already some options available in the commercial home security segment, the ...