Wiring HC-21 (M02) 2.4GHz Wi-Fi Serial Universal Asynchronous RX/TX on Microcontroller

This is the HC-21 an embedded Wi-Fi UART module built IEEE802.11 wireless network protocol stacks and TCP/IP protocol to achieve conversation between serial data to wireless network communication. The HC21 can be connected via wireless to wireless without any support of microcontroller works as standalone, or master/client mode. For example ...
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Wiring ESP8266 12/12E with G1/2 Liquid / Water Flow Sensor on Wireless Monitoring

Another illustration on ESP8266 12/12E as smart metering using liquid/Water flow sensor.  Water flow sensor is capable of measuring flows in pipes from 0.15 to 60 liters per minute, suitable for measuring water consumption or detecting pipe leakage and monitoring agricultural irrigation. Smart Metering often refers to monitor the supply ...
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Wiring the ESP8266 12E Remote Soil Moisture Temperature & Humidity Monitor

Another illustration that demonstrate how to use the ESP8266 as a web-based Soil Moisture / Temperature and Humidity Monitor.  If you’re new to ESP8266 please refer to this link.  There are 3 main component are used to this project. The ESP8266, DHT11/12, and the Soil Moisture Sensor, as you can ...
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14CORE BOT on ESP8266 L298N/L293D Wifi Web Base Controller

This is a wireless remote controlled robot using ESP8266 with L298N or L293D H-Bridge Motor Controller along with your Arduino Microcontroller, This bot is also tested in ESP8266 7, 12, 12E with or without Microcontroller. As you can see the illustration below it is demonstrated using ESP8266 Version 1 then ...
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The IOT Protocols The Base of Internet of Things Ecosystem

IOT Internet of Things are the next technological revolution that will invest every area such industrial, transportation, building constructions, manufacturing, agriculture, healthcare, energy on everyday life, etc. IOT promises to connect every things all together enable them to exchange information like, home devices, smart objects, wearable devices, smart phones, etc. All ...
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How MQTT Telemetry Transport Protocol Works for IOT Test with Mosquitto in Open GPIO Micro Computer

MQTT (Message Queuing Telemetry Transport) Protocol is a M2M (Machine to Machine) lightweight messaging protocol widely used in IOT (Internet of Things) that provides a resource constrained network clients. Almost IOT cloud platform support MQTT protocol to send and receive data from smart objects in other words it is a ...
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Programming / Flashing Latest Firmware on ESP8266 NodeMCU DevKit with Mac OSX

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 of the user privileges. On this feature the protection system ...
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D1 ESP8266 12E WiFi Development Board on Arduino IDE Integration

In this illustration we will going to integrate the D1 ESP8266 ESP12-E Wi-Fi enabled microcontroller with Arduino IDE, The D1 contains the popular ESP8266 12-E a Wi-Fi enabled MCU board this board can be easily use and coded from Arduino IDE by installing the required driver and the software it ...
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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 the ECHO is connected to D2 which is pin 4 ...
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Arduino IDE with ESP8266 Integration for Ease Programming

In this procedure we will going to integrate the ESP8266 Scripting to Arduino IDE for easy coding and provide more power full and easier to use. if you don't have an idea how the ESP8266 works kindly visit this link, for starters and how to flash and running the NodeMCU ...
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