#ESP8266 Node MCU

[codician]

किसी भी पुरानी कार को बनाओ wifi कार | using Node Mcu

[svsembedded]

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[khanasif1]

Building Alexa Skills with Azure - Part 3

Building Alexa Skills with Azure – Part 3

Building Alexa Skills with Azure – Part 1

Building Alexa Skills with Azure – Part 2

In this part, I would like to give a brief walkthrough of the IoT code. Referring to the Architecture diagram we will discuss about the devices in the house.

The solution uses the below components:

ESP8266 Node MCU

Relay Switch

OLEDB

The code is…

[eletronica-para-todos]

Automação residencial com o microcontrolador esp8266-Node mcu e Alexa, sistema de controle da lâmpada em que a Alexa identifica o estado da lâmpada.

https://youtu.be/Jl15TeDP0BQ

[thedesithakur23]

All About ESP32 Development Board with Wi-fi & Bluetooth and AMICA Node MCU ESP8266 Module

The ESP32 Development Board with Wifi and Bluetooth is a low-footprint, minimal system development board powered by the latest ESP-WROOM-32 module and can be easily inserted into a solderless breadboard.

It includes the ESP-entire WROOM-32's basic support circuitry, including the USB-UART bridge, reset and boot-mode buttons, an LDO regulator, and a micro-USB connector. The developer has access to every important GPIO.

Projects That You Can Do With The ESP32 Development Board With Wifi And Bluetooth:-

Universal low-power IoT sensor hub

Home automation.

Mesh network.

Industrial wireless control.

Sensor networks.

Smart Socket.

Wi-Fi speech recognition device.

AMICA Node MCU ESP8266 Module:-

The AMICA Node MCU is an excellent Wi-Fi chip that can be used in a variety of wireless applications. Arduino-style hardware io that is interactive and programmable. The board's Micro USB slot can be directly connected to a computer or other USB host devices. It is a great way to add internet connectivity to any embedded project.

Projects That You Can Do With The AMICA Node MCU ESP8266 Module:-

Internet Smoked Alarm

VR Tracker

Octopod

Serial Port Monitor

ESP Lamp

Incubator Controller

IoT home automation

Security Alarms

[cahibozuder]

Esp-12K Wireless Wifi Module Esp32 S2 Esp8266 Development Board Module Node Mcu-32-S2

Esp-12K Wireless Wifi Module Esp32 S2 Esp8266 Development Board Module Node Mcu-32-S2

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[electronicscuriosities]

ESP8266 NODE MCU with PIR MOTION SENSOR FOLLOW FOR MORE PROJECTS @electronics_curiosities @electronics_curiosities @electronics_curiosities @electronics_curiosities LIKE 👍 SHARE COMMENT #electronicscuriosities #nodemcu #wifi #electronicspoint #electronics #electronicsengineering #electronic #digital_electronics #diyelectronics #wire #usb #ana #microcontroller #miniproject #iot #sensor #techhouse #geeksforgeeks #electronspark #utsource #technolovers #electrical #arduinouno #arduinofun #mechatronic #programmer #computers #processor #circuitdesign #electronicsprojects https://www.instagram.com/p/CDbMI4kA-qD/?igshid=eqb307wcxnfx

[uglandindia]

Follow us @uglandindia Node MCU-CH340 Wireless Module NodeMcu (LoLin) WIFI Internet Of Things Development Board Based ESP8266 - CH340 ESP-12E Visit www.uglandindia.com Download our android app from Google play store UG Land India Shopping app Discount coupon - APP10 with 10% discount applicable on mobile app Discount coupons - UGLAND with 5% discount applicable to direct website #uglandindia #uglandapp #ugland #shopping #Robotics #packaging #Electronic #module #sensor #electronicitems #wifi #wireless #wifimodule #esp #esp8266 #esp32 #usb #usbserial #technique #technology #embedded #computer #integrated #bluetooth #arduinoproject #scienceproject #serialport #store #Electronicstore #shoppingapps https://www.instagram.com/p/B-kMMSbph7-/?igshid=1w0lyxhbl8czk

[ijtsrd]

Analysis on Healthcare System using IoT

by Su Hlaing Phyo | Kyaw Zin Latt "Analysis on Healthcare System using IoT" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, 

URL: https://www.ijtsrd.com/papers/ijtsrd25140.pdf

Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/25140/analysis-on-healthcare-system-using-iot/su-hlaing-phyo

call for paper engineering, open access journal of engineering, ugc approved journals for engineering,

In this research, the proposed system is to design and construct IoT based healthcare monitoring system using ESP8266 Node MCU that supports healthcare system under circumstances for people. IoT based healthcare monitoring system is evaluated for certain parameter like heartbeat and temperature. This system consists of Node MCU, Temperature Sensor, Heartbeat Sensor, IoT, SPSS, Thinger.io cloud sever and mobile phone. Node MCU board collects temperature and heartbeat data from the sensors and transfer wirelessly to IoT website via internet connection 1 . This data can be transmitted to the data set linked with SPSS software and this software can be calculated the future data for people using linear regression method. So, Mobile health system helps to know health conditions in real time to people. The aim of this system is to improve the healthcare system by using internet and easily to measure their condition of health from home. 

[khanasif1]

Building Alexa Skills with Azure - Part 1

Building Alexa Skills with Azure – Part 1

Building Alexa Skills with Azure – Part 2

Building Alexa Skills with Azure – Part 3

It’s no more a matter of discussion that voice-enabled systems are future. In or to keep up in the game it’s always good to understand the technology and try your hands on it.

To get my hands dirty, I tried to build a solution using Alexa and a couple of other components. The endstate is the user can speak to…

[electronics-gaetlm-blog]

Distance Sensor - in the kitchen

Using Node MCU and uploading the data to my ThingSpeak channel

Distance sensor placed in the kitchen

Data sent from Node MCU to my ThingSpeak channel - Pictures shows: time slot of 3 hours 

Value 269 shows no object is being detected by the sensor

Value 91 shows no object is being detected by the sensor

What you need: Node MCU, distance sensor, wires, 2x resistor (10k + 20k)

Schematic

Code (combination between nodemcu_distance & nodemcu_uplink) : 

#include <ESP8266WiFi.h> //Including library to use esp8266 #include "ThingSpeak.h"   //Including library to send data to thingspeak #define TRIGGER 5 #define ECHO    4float duration = 2.0; // float: for decimal number   float distance = 2.0; //> those numbers (2) are uploaded on the channel, to do: connect data of the sensor to the channel //WiFi credentials char ssid[] = "Wagstr185";   // your network SSID (name) char pass[] = "xxxxxx";   // your network passwordWiFiClient  client;//ThingSpeak credentials credentials unsigned long myChannelNumber = 741407 ; //your channel ID char myWriteAPIKey[] = "0HK567OW3YVTFQ7F"; //"Write API" of your channel//float temperature = distance;  //data that I send to thingspeak, int wait = 20; // Time between two uplinks, set: 20000void setup() {  Serial.begin(9600);  Serial.println();  WiFi.begin(ssid, pass);  Serial.print("Connecting");    pinMode(TRIGGER, OUTPUT);     //added from distance_code    pinMode(ECHO, INPUT);    pinMode(BUILTIN_LED, OUTPUT);   //added from distance_code  while (WiFi.status() != WL_CONNECTED)    {      delay(50);      Serial.print(".");      }    Serial.println();    Serial.println("\nConnected.");  ThingSpeak.begin(client);  //Initialize ThingSpeak}void loop() {    long duration, distance;    //added from distance_code  digitalWrite(TRIGGER, LOW);    delayMicroseconds(2);   digitalWrite(TRIGGER, HIGH);  delayMicroseconds(10);   digitalWrite(TRIGGER, LOW);  duration = pulseIn(ECHO, HIGH);  distance = (duration/2) / 29.1;  // set the ThingSpeak fields with the values  ThingSpeak.setField(1, distance); //temperature = field 1 in channel / what you want to measure   // send uplink  ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);  // wait before the next measurment  delay(wait);   Serial.print("Centimeter:");  Serial.println(distance);  delay(1000);                  //added from distance_code}

[aarushi-nema]

Arduino: Project 31: Smart Watering System for your plants!

Arduino: Project 31: Smart Watering System for your plants!

So this project I headed out to my balcony! I build a smart plant watering system in which you can water your plants by a simple command from any device connected to the internet (more specifically your router).

Demo:

Things Required:

Jumper Wires

Node MCU esp8266

Relay

mini submersible water pump

breadboard

USB Cable

9V battery

Arduino IDE on computer

Reference Material:

Here is a pic…

[wokeinmemphis-blog]

1pcs D1 Mini NodeMcu,WHDTS 4M Bytes Lua WiFi Development Board Base on ESP8266 ESP-12F Compatible with Arduino

Product Description

An open-source firmware and development kit that helps you to prototype your IOT product within a few Lua script lines.

NodeMCU is an eLua based firmware for the ESP8266 WiFi SOC from Espressif. The firmware is based on the Espressif NON-OS SDK and uses a file system based on spiffs. The code repository consists of 98.1% C-code that glues the thin Lua veneer to the SDK.

The NodeMCU firmware is a companion project to the popular NodeMCU dev kits, ready-made open source development boards with ESP8266 chips

Features:

1>.Open-source

2>.Interactive

3>.Programmable

4>.Low cost

5>.Simple

6>.Smart

7>.WI-FI enabled

8>.USB-TTL included

9>.11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)

10>.1 analog input(3.2V max input)

11>.a Micro USB connection

12>.Compatible with Arduino

13>.Compatible with nodemcu

14>.Compatible with MicroPython

Parameters :

1>.Microcontroller:ESP-8266

2>.Operating Voltage:3.3V

3>.Digital I/O Pins:11

4>.Analog Input Pins:1(Max input: 3.2V)

5>.Clock Speed:80MHz/160MHz

6>.Flash:4M bytes

7>.Length:34.2mm

8>.Width:25.6mm

Product Features

11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0).

1 analog input (3.2V max input).

A Micro USB connection.

Compatible with Arduino, node mcu and Micro Python.

5V 1A switching power supply (switching power supply）on board.

The post 1pcs D1 Mini NodeMcu,WHDTS 4M Bytes Lua WiFi Development Board Base on ESP8266 ESP-12F Compatible with Arduino appeared first on The Ram Memory Store.

The article was originally published here! 1pcs D1 Mini NodeMcu,WHDTS 4M Bytes Lua WiFi Development Board Base on ESP8266 ESP-12F Compatible with Arduino

[cahibozuder]

Esp-12K Wireless Wifi Module Esp32 S2 Esp8266 Development Board Module Node Mcu-32-S2

Esp-12K Wireless Wifi Module Esp32 S2 Esp8266 Development Board Module Node Mcu-32-S2

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