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NodeMCU, ESP8266,ESP-12,WiFi, WiFi module

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Andr.oid Eric

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NodeMCU/ESP8266 display on 1.3" 128x64 OLED SPI with SH1106, using esp8266-oled-sh1106 library
It's a 1.3" 128x64 OLED of SPI interface, with SH1106 controller. The SH1106 is in general similar to the SSD1306. Main difference is a memory of 132x64 instead of 128x64. This post show how to connect with NodeMCU and install the library of  esp8266-oled-s...
It's a 1.3" 128x64 OLED of SPI interface, with SH1106 controller. The SH1106 is in general similar to the SSD1306. Main difference is a memory of 132x64 instead of 128x64. This post show how to connect with NodeMCU and instal...
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Andr.oid Eric

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NodeMCU/ESP8266 WebSocketsServer, load html from separate file in flash file system
This example have the same function of " NodeMCU/ESP8266 implement WebSocketsServer to control RGB LED ", but the html is saved in separate file in flash file system instead of hard code in ino. Prepare the html in data directory under sketch directory: dat...
This example have the same function of "NodeMCU/ESP8266 implement WebSocketsServer to control RGB LED", but the html is saved in separate file in flash file system instead of hard code in ino. Prepare the html in data direc...
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Andr.oid Eric

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NodeMCU/ESP8266 act as AP (Access Point) and web server to control GPIO
#NodeMCU #ESP8266
Further works on previous exercise " NodeMCU/ESP8266 act as AP (Access Point) and simplest Web Server "; this example of NodeMCU/ESP8266 act as AP and implement a web server to control GPIO (on-board LED) using HTML interface. ESP_AP_WebServer.ino /*
* Nod...
Further works on previous exercise "NodeMCU/ESP8266 act as AP (Access Point) and simplest Web Server"; this example of NodeMCU/ESP8266 act as AP and implement a web server to control GPIO (on-board LED) using HTML interface. ...
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Andr.oid Eric

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NodeMCU/ESP8266: get ESP chip and flash info
#NodeMCU #ESP8266 #ESP12 #ESP12E
Simple sketch run on NodeMCU/ESP8266 to get chip and flash info. ESP_GetFlashSize.ino

void setup() {
Serial.begin(9600);
Serial.println();
Serial.println();

Serial....
Simple sketch run on NodeMCU/ESP8266 to get chip and flash info. ESP_GetFlashSize.ino //reference: //http://esp8266.github.io/Arduino/versions/2.1.0/doc/libraries.html void setup() { Serial.begin(9600); Serial.println(); Seri...
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Andr.oid Eric

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esp8266-OLED, esp8266-Arduino library for I2C-OLED displays
esp8266-OLED is an  esp8266-Arduino library for I2C-OLED displays. This post show how to download and install to Arduino IDE, and test with example. - It's assumed you are programming NodeMCU on Arduino Software, with ESP8266 core for Arduino installed. - C...
esp8266-OLED is an esp8266-Arduino library for I2C-OLED displays. This post show how to download and install to Arduino IDE, and test with example. - It's assumed you are programming NodeMCU on Arduino Software, with ESP8266 ...
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Andr.oid Eric

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NodeMCU/ESP8266 + OLED 0.96" 128x64 I2C SSD1306 using esp8266-oled-ssd1306 library
esp8266-oled-ssd1306 is  a driver for the SSD1306 based 128x64 pixel OLED display running on the Arduino/ESP8266 platform. Can be used with either the I2C or SPI version of the display You can either download this library as a zip file and unpack it to your...
esp8266-oled-ssd1306 is a driver for the SSD1306 based 128x64 pixel OLED display running on the Arduino/ESP8266 platform. Can be used with either the I2C or SPI version of the display You can either download this library as ...
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Andr.oid Eric

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NodeMCU/ESP8266 implement WebSocketsServer to control RGB LED
In the previous example "NodeMCU/ESP8266 act as AP (Access Point) and web server to control GPIO", every time user click to change GPIO the page will be reloaded. This example use WebSocket, such that no need reload page. Add WebSockets library to Arduino S...
In the previous example "NodeMCU/ESP8266 act as AP (Access Point) and web server to control GPIO", every time user click to change GPIO the page will be reloaded. This example use WebSocket, such that no need reload page. ...
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Andr.oid Eric

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NodeMCU/ESP8266 act as AP (Access Point) and simplest Web Server
#nodemcu #esp8266 #esp12 #esp12e
NodeMCU/ESP8266 example act as AP (Access Point) and simplest Web Server:
ESP_AP_WebServer.ino
NodeMCU/ESP8266 example act as AP (Access Point) and simplest Web Server: ESP_AP_WebServer.ino /* * NodeMCU/ESP8266 act as AP (Access Point) and simplest Web Server * Connect to AP "arduino-er", password = "password" * Ope...
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Andr.oid Eric

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NodeMCU (ESP8266) call function repeatedly in fixed interval, with Ticker.
Ticker is a library of ESP8266 Arduino Core for calling functions repeatedly with a certain period. It is currently not recommended to do blocking IO operations (network, serial, file) from Ticker callback functions. Instead, set a flag inside the ticker ca...
Ticker is a library of ESP8266 Arduino Core for calling functions repeatedly with a certain period. It is currently not recommended to do blocking IO operations (network, serial, file) from Ticker callback functions. Instead,...
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Andr.oid Eric

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Hello World NodeMCU (ESP8266) + 128x64 I2C OLED
Minimum "Hello World" run on NodeMCU (ESP8266) + 128x64 I2C OLED: To setup libraries for 128x64 I2C OLED, refer last post " NodeMCU (ESP8266) to display on 128x64 I2C OLED ". NodeMCU_OLED_helloworld.ino #include <SPI.h>
#include <Wire.h>
#include <Adafruit_...
Minimum "Hello World" run on NodeMCU (ESP8266) + 128x64 I2C OLED: To setup libraries for 128x64 I2C OLED, refer last post "NodeMCU (ESP8266) to display on 128x64 I2C OLED". NodeMCU_OLED_helloworld.ino #include <SPI.h> #incl...
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