ESP8266 NodeMcu First step when building this sensor is to upload correct firmware to our ESP8266 module. We will use node NodeMCU firmware. This firmware is capable of executing LUA script. Latest NodeMCU firmware can be download here NodeMCU. Read ESP8266 firmware update tutorial for instructions how to update ESP8266 firmware. ESP8266 NodeMcu First step when building this sensor is to upload correct firmware to our ESP8266 module. We will

ESP8266 NodeMcu First step when building this sensor is to upload correct firmware to our ESP8266 module. We will use node NodeMCU firmware. This firmware is capable of executing LUA script. Latest NodeMCU firmware can be download here NodeMCU. Read ESP8266 firmware update tutorial for instructions how to update ESP8266 firmware. Next we will add virtual door/window sensor to EasyIoT server. You can download EasyIoT server (Windows or Raspberry Pi