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SQLite Database on a Raspberry Pi

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects In this blog post I’ll introduce you to SQLite, which is an in-process light weight library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. SQLite is the most widely deployed SQL database engine in the world and its source code is in the public domain.

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Testing Mosquitto Broker and Client on Raspbbery Pi

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects In this post you’re going to test the Mosquitto Broker and Client on a Raspberry Pi by subscribing to an MQTT topic and publishing sample messages.

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How to Install Mosquitto Broker on Raspberry Pi

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects In this post you’re going to install the Mosquitto Broker on a Raspberry Pi. The broker is primarily responsible for receiving all messages, filtering the messages, decide who is interested in it and then publishing the message to all subscribed clients.

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What is MQTT and How It Works

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DOWNLOAD FREE PDF: Getting Started with ESPlorer IDE and ESP8266 In this post, I’m going to introduce you to the MQTT protocol. MQTT stands for MQ Telemetry Transport. It is a nice lightweight publish and subscribe system where you can publish and receive messages as a client.

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ESP8266 OTA Updates with Arduino IDE | Over the Air

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DOWNLOAD FREE PDF: Getting Started with ESPlorer IDE and ESP8266 OTA (Over the Air) update is the process of loading a new firmware to ESP8266 module using WiFi connection rather than a serial communication. This type of functionality is extremely useful in case of no physical access to the ESP module.

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Getting Started with ESP32 Dev Module

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects This is a getting started guide for the ESP32 Dev Module. If you’re familiar with the ESP8266, the ESP32 is its sucessor. The ESP32 is loaded with lots of new features the two most important: it combines WiFi and Bluetooth wireless capabilities and it’s dual core.

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20 Free Guides for Arduino Modules and Sensors

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects The Arduino community has created a wide variety of modules and sensors that can enhance your projects. Here’s the ultimate collection of 20 free guides for Arduino Modules and Sensors that can help you get started with them. Let’s start!

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Guide for Relay Module with Arduino

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects This post shows how to use a relay module with your Arduino. It starts by demonstrating how to connect the relay to mains voltage and to the arduino. Then, you’ll have an example on how to control a lamp with a relay module and a PIR motion sensor.

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Reprogram Sonoff Smart Switch with Web Server

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DOWNLOAD FREE PDF: Getting Started with ESPlorer IDE and ESP8266 In this post, you’re going to learn how to flash custom firmware in the Sonoff device, so that you can control it with your own web server. I recommend that you read my previous post to get familiar with the Sonoff.

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