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
How to Use NodeMCU Flasher Step By Step Tutorial
NodeMCU Flasher is a firmware programmer made for NodeMCU development kit, by using this program you program the ESP8266 board by send binary code directly to the NodeMCU Development Board. Before you can program the NodeMCU you need to set