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Python run on Raspberry Pi to plot serial data from ESP8266/NodeMCU
Last post show a simple program run on ESP8266/NodeMCU to read Analog Input and send to Serial . And display the data on Raspberry Pi 3 using Arduino IDE Serial Plotted. This post show a Python example run on Raspberry Pi 3/Raspbian Jessie with PIXEL, to pl...
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ESP8266/NodeMCU read Analog Input and send to Raspberry Pi via Serial/USB
This example of ESP8266/NodeMCU read input from A0, and output to Serial. The receiving side is a Raspberry Pi 3 running Raspbian Jessie with PIXEL and Arduino IDE installed, the result is display graphically using Arduino IDE's Serial Plotter. All job done...
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Add Arduino core for ESP8266 to Arduino IDE (run on Raspberry Pi/Raspbian Jessie with PIXEL)
Last post show how to " Install and run Arduino IDE on Raspberry Pi/Raspbian Jessie with PIXEL ". We can add Arduino core for ESP8266 to Boards Manager, such that we can develop ESP8266/NodeMCU program on Raspberry Pi directly, without using PC. For sure, t...
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NodeMCU/ESP8266 Arduino Core example, simple http server to output PWM
Last post show a dummy example of NodeMCU/ESP8266 Arduino Core to output PWM to control color/brightness of RGB LED. It's another example to setup a simple HTTP-like server, to receive request from client, output PWM, to control color/brightness of RGB LED....
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NodeMCU/ESP8266 Arduino Core analog output PWM
Example of NodeMCU with ESP8266 Arduino Core to output PWM by calling analogWrite(), to control brightness of RGB LED. NodeMCU_PWM.inf int ledB = D0;
int ledG = D1;
int ledR = D2;

void setup() {
pinMode(D0, OUTPUT);
pinMode(D1, OUTPUT);
pinMode(D2, O...
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Control GPIOs of NodeMCU (ESP8266) with ESP8266 core for Arduino, to read Buttons and write LEDs
This example show how to read input (D5, D6 & D7) from buttons, and write output (D0, D1 & D2) to LEDs accordingly. For the input, all set INPUT_PULLUP to enable internal pull-up resistor, so no external resistors needed. Connection: /*
NodeMCU IO index vs ...
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Control GPIO (external IO pins) of NodeMCU (ESP8266) with ESP8266 core for Arduino
With ESP8266 core for Arduino, we can load and run the build-in basic example of "Blink" on NodeMCU to toggle the on board LED . We can also employ the same methods to control other io pin, or GPIO. Connection: There are many version of ESP8266, the printed...
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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...
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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...
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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...
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