The ESP8266 is a module that adds a WiFi connection to your Arduino projects and more. This module is a true Arduino Killer. It has several GPIO. The most used models are the ESP-01, which has 2 GPIO (but not EC which is a shame) and ESP-12E model which features 12 GPIO (CE compliant). The ESP8266 can be programmed in Lua (language similar to Python) or using the Arduino IDE classic. For less than 2 euros you have a microcontroller with 2 GPIO with which you can make a small connected object (eg a connected button) without the need for an Arduino. In this category you will find everything you need to get started with the ESP8266: how to program in Lua or using the Arduino IDE, how to reinstall the original firmware, how to flash a custom firmware, the examples of assembly and codes …
Category: ESP8266
ESP8266, Deep Sleep mode test, wake up with a PIR motion detector
The ESP8266 module has the deep sleep mode which allows to put it in hibernation to save the battery. You can wake up the module at regular intervals to make measurements and publish them on a ...
READ MORE +#Guide: which ESP8266 module to choose, power supply, how to program it in C++ with Arduino IDE, MicroPython, ESP Easy
The ESP8266 was released in 2014. In just a few years it has gone from a simple WiFi module project for Arduino for a few euros to a full development board. The ESP8266 is a true Arduino Killer. It ...
READ MORE +#Guide: Which ESP32 development board to choose to develop DIY connected objects
After the success of the Wi-Fi ESP8266 modules, Espressif has not stopped in such a good way and today offers us its successor the ESP32. The first development board based on the SoC ESP-WROOM-32 ...
WebSocket communication with an ESP8266 or Arduino in Python. Test with the ws4py library on Raspberry Pi
The Websocket is a much faster communication protocol than the REST protocol that uses standard HTTP requests. The Websocket allows to open a bi-directional communication channel between two devices. ...
READ MORE +Publish the CO2 concentration of an MH-Z19 sensor to Domoticz, Arduino code compatible ESP32 / ESP8266
In the previous tutorial, we discovered and tested the MH-Z19 sensor which allows to measure the CO2 concentration without calibration. We saw how to read the CO2 concentration returned on the sensor ...
Unpacking Wemos ESP32 LoLin clone with 0.96” SSD1306 monochrome OLED display
Victim of its success, Wemos is the subject of many clones (or fakes as some say!). After the Wemos 1d mini, it's the turn of the LoLin32 to be copied. Today we are going to discover a rather nice ...
Unpacking the Wemos D1 R2, ESPDuino clone, ESP8266 development board in Arduino Uno format
The Arduino Uno is the reference for development boards to start learning programming. The Arduino Uno is an ideal learning platform because it does not cost much and you can learn to code on ...
ESP32 MicroPython project with several DS18B20 probes, publish the measurements to Domoticz using the HTTP JSON API
After several articles to present the principles of MicroPython on ESP8266 and ESP32 development board, it's time to get down to business. I propose to take the Arduino reading code of several Dallas ...
Unpacking the Geekcreit PCA9685 I2C Shield 16 Servos + 2 DC motors for Arduino or ESPDuino (ESP8266)
The Arduino Uno or ESP8266 boards do not deliver enough power to power the 6 robotic arm servo motors discussed earlier in this article. So you have to buy a daughter board with an external power ...
OLED display SSD1306 in MicroPython, example with a I2C digital barometer BME280 (or BMP180)
I propose today to learn how to detect the devices connected to the bus i2c in MicroPython. For this tutorial, we will retrieve the measurements returned by a BME280 environment sensor that measures ...
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