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ESP32 Web Server – Arduino IDE

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In this project you’ll create a standalone web server with an ESP32 that can toggle two LEDs using the Arduino IDE programming environment. If you want to learn more about the ESP32 dev board, read my Getting Started Guide with ESP32. 

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ESP8266 Publishing DHT22 Readings to SQLite Database

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In this project you’ll create a standalone web server with a Raspberry Pi that displays temperature and humidity readings with a DHT22 sensor that are stored in an SQLite database. In order to create the web server you will be using a Python microframework called Flask. Here’s the high level overview of the system: Recommended […]

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ESP8266 Publishing DHT22 Readings with MQTT to Raspberry Pi

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In this project you’ll create a standalone web server with a Raspberry Pi that displays temperature and humidity readings with a DHT22 sensor. You can also control two outputs from an ESP8266 using MQTT protocol. In order to create the web server you will be using a Python microframework called Flask. Here’s the high level […]

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Arduino Ethernet Web Server with Relay

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This posts shows how to build an Arduino Ethernet web server that controls a relay that is attached to a lamp. You can access your web server with any device that has a browser and it’s connected to the same network.

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Arduino Step-by-step Projects – Build 23 Projects

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Arduino Step-by-step Projects Build 23 Projects My step-by-step course to get you building cool Arduino projects, even with no prior experience!

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How to install phpLiteAdmin Database in a Raspberry Pi

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In this blog post I’ll introduce you to phpLiteAdmin which is a web-based user interface written in PHP that makes it easy to interact with SQLite databases.

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9 Biometric Sensors Arduino Compatible

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In this post I’ll share with you a list of 9 biometric sensors Arduino compatible that you can use in your bioengineering experiments. These are great for hobbyist projects since most of them are easy to deal with. Here’s the list:

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SQLite Database on a Raspberry Pi

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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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Raspberry Pi Publishing MQTT Messages to ESP8266

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In this project you’ll create a standalone web server with a Raspberry Pi that can toggle two LEDs from an ESP8266 using MQTT protocol. You can replace those LEDs with any output (like a relay that controls a lamp).

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Testing Mosquitto Broker and Client on Raspbbery Pi

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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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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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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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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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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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