NodeMCU devkit can be flashed with latest firmware using your MAC OS, before you going to start you need to disable the OSX “KEXT SIGNING “ feature. Apple OSX introduce the system integrity protection that disabled the modification system location
Wiring ESP8266 nodeMCU with HCSR04 Ultrasonic Sensor
In this illustration we will going to wire the ESP8266 12E nodeMCU with Ultrasonic Raging Sensor HCSR04. As you can see the illustration below the sensor trigger pin is connected to D1 which is pin 5 in Arduino Board, and
Installing NodeMCU driver on MAC
The NodeMCU is using USB 2 Serial Communication called CH340, you can download the driver at the link below, you have to install the driver package as you used the NodeMCU on Mac. After you install the CH340 driver you
What is NodeMCU How to Code LUA Script with a Simple Lines of Code
NodeMCU is an Open Source Firmware Development Board that helps you to build your IOT(Internet of Things) projects with a few LUA Script Lines, NodeMCU it is like Arduino Hardware with a Input Output built in the Board itself, it