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 …
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 …
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 …
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 …
In this post, you’re going to learn how to flash custom firmware to the Sonoff device. I recommend that you read my previous post to get familiar with the Sonoff.
This post shows how to use the tilt sensor module with the Arduino. The tilt sensor is many times referred to as inclinometer, tilt switch or rolling ball sensor. Using …
This post shows how to use the microphone sound sensor with the Arduino board.
In this post, you’re going to learn how to control an outlet from anywhere in the world using the Sonoff device. The Sonoff is a device that you put in …
This post is about how to use the BMP180 barometric sensor with the Arduino. It is also applicable for other similar barometric sensors.
This post is about how to use the DS1307 Real Time Clock (RTC) module with the Arduino. You can also follow this guide for other similar modules like the DS3231 RTC.
This article explains what are switches in electronics and how they work.
[NEW GUIDE] Learn how to use Node-RED Dashboard with your Raspberry Pi If you followed the Build a Home Automation System for $100 course prior to August 27 2016, you know …
This post shows how to export your Node-RED Nodes. This is useful if you need to: Backup your Node-RED flow Move your flow to another Raspberry Pi (or machine) Share your Node-RED project with …
Hot glue is great. It is very handy for a wide variety of applications if you want make something stick together. Here’s 4 tricks about hot glue that may be …