Beginner
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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 ...

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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 ...

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ESP8266 + DHT22 + MQTT: make a connected object IoT and include it in Home Assistant

ESP8266 + DHT22 + MQTT, here's how we will learn how to make our first connected object (a temperature probe) and connect it to the Home Assistant server. To ...

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Test the IDE XOD, develop Arduino projects without programming by assembling blocks

Last June, I introduced you to XOD, a new Open Source project for Arduino programming without Scratch's cousin block assembly programming. In a few months, the ...

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uPiCraft, a MicroPython IDE dedicated to the development of IoT based on ESP8266, ESP32, microbit, pyBoard

In the previous two articles (unpacking the Wemos LoLin32 Lite under MicroPython and reinstalling the MicroPython firmware), we briefly discovered the ...

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Program the ESP8266 with the Arduino IDE: Libraries, GPIO, Web Server, Web Client

In many applications, ESP8266 WiFi modules can replace Arduino by adding Wi-Fi connectivity at a lower cost. At the launch of ESP8266 (in 2014), the preferred ...

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Temperature measurement with several DS18B20 probes, Arduino code compatible ESP8266 and ESP32, publication on Domoticz in HTTP

If you want to create a temperature measurement network using an Arduino or ESP8266, the OneWire DS18B20 probes are ideal. The OneWire is a digital data bus ...

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The firmware ESP Easy Mega arrives on ESP32, test on the Wemos LoLin32 Lite, novelties of the firmware

The ESP Easy development team has just released a first version of the firmware adapted to the ESP32. In the previous article, we discovered the firmware ...

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Arduino/Raspberry Pi Robotic Arm – Part 1: Unpacking and Assembling the ROT2U 6DOF Kit

Today, we will discover the ROT2U 6DOF robotic arm kit that will allow us to start a new series of articles. In the previous series of articles, we saw how to ...

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Activate the i2c bus of Raspberry Pi 3 or Pi Zero W

The i2c bus is used to exchange digital data between a sensor (or an actuator) and a mini-PC such as Raspberry Pi. The i2c bus is also ...

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How to solder the Raspberry Pi Zero W GPIO connector

The Raspberry Pi Zero W comes with a GPIO connector to be soldered on the PCB itself. This is a step that can be frightening when you ...

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Deviot, the Sublime Text 3 PlatformIO package for PC recycled under 32-bit Linux

In the introductory article to the PlatformIO IDE, we installed PIO with the Open Source text editor of GitHub Atom. Like many projects, ...

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