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T-Watch. Sleep and wake-up ESP32 with BMA423 accelerometer or AXP202 button

If you want to be able to use the TTGO T-Watch as a real connected watch, you have to integrate the code necessary for automatic (or manual) standby in the ...

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ESP32. Access SPIFFS files in FTP with the ESP8266FtpServer library

There are several libraries allowing access to the SPIFFS file system stored on the flash memory of an ESP32 in FTP. The ESP8266FtpServer.h library ...

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Install Domoticz on NAS Synology DS718+ with Docker or virtual machine under Debian Buster

The official documentation suggests installing Domoticz on a Synology NAS from an image pre-compiled by Jadahl or by compiling the source code directly on the ...

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Install the MQTT Mosquitto broker on NAS Synology (DSM 6.2+) with Docker

It is very easy to install a Mosquitto MQTT broker on a Synology NAS using the Docker application. Since version 6.2 of DSM (DiskStation Manager, the operating ...

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IoT development based on Orange Pi, Arduino (Firmata), Nodejs, Blynk and Johnny-Five

In this tutorial, I propose to combine Nodejs/Johnny-Five with Blynk to remotely control the GPIO of the Arduino/Firmata from a smartphone ...

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Blynk + Node.js + Johnny-Five: drive a Pan-Tilt PTZ SG90 kit on Orange Pi with an Arduino / Firmata

In the previous tutorial, we saw how to replace the GPIO of the Orange Pi with an Arduino (using the Firmata firmware) and then how to ...

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Blynk + ESP8266: drive a Pan-Tilt PTZ SG90 in WiFi with a smartphone or tablet

In this tutorial we will learn how to assemble a PTZ mini-kit (Pan-Tilt) based on SG90 servo motor. We will use Blynk to drive the PTZ ...

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Blynk: installing a private local server on Orange Pi under Armbian (Ubuntu 16.04LTS)

In the previous tutorial we saw how to install the local Blynk server on a Raspberry Pi 3. In this tutorial we will install the Blynk ...

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Install Jeedom on an Orange Pi Lite (or Orange Pi+ 2e) running under Armbian Jessie

The Orange Pi is an economical alternative to Raspberry Pi to build a Jeedom based 100% DIY home automation server. If you do not intend to ...

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ESP8266 (Web Server – Part 5): how to use Google Charts to display gauges and charts

Now that we have a records we will add graphics to the Web interface of the ESP8266 using the Google Charts library. There are many ...

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ESP8266FtpServer for ESP8266. Access by FTP to SPIFFS or LittleFS files

The ESP8266FtpServer.h library developed by David Paiva (nailbuster on GitHub) allows you to add a small FTP server to an ESP8266 project. It can be ...

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How to build Armbian SD Card image for Orange Pi, Banana Pi, cubieboard …

Armbian offers to download images ready to be installed on SD board, but it is also possible to compile oneself the Linux system for many ...

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