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OctoPrint MQTT Events (with samples)

Below you will find a list of all the MQTT events published by the MQTT OctoPrint plugin. I made use of my MQTT-Dumper application I created in my previous post to do this, and have taken the time ...

MQTT Dumper (Alpha)

MQTT Dumper is a simple utility (well, console application at the moment) that I put together in about an hour to help me spy on the communication of all my IoT devices at home. Currently the utili...

Changing Sonoff Firmware (Visual Guide)

About a year ago I discovered Sonoff WiFi switches on AliExpress and was able to pick up a couple of them for $10. These devices are basically IoT connected smart switches that you can control via ...

Installing Node-RED as a Windows Service

In this post I am going to cover installing, configuring and running Node-REDas a Windows service. Node-RED is a programming tool for wiring together hardware devices, APIs and online services in n...

Running Mosquitto as a Windows Service

In my last post I ran over the required steps to get mosquitto up and running on a Windows environment. Now somewhere during my initial install I managed to break the Mosquitto Broker service that ...

Mosquitto on Windows

After discovering the joys and simplicity of using MQTT on IoT enabled devices such as an NodeMCU ESP8266 I decided I wanted to host my own local (and with the right configuration public) instance ...

Serial Tester (Arduino Tool)

Inspired by a youtube video I wanted to start communicating with my Arduino via a serial connection from my computer. Having a connection from my computer -> Arduino opens up a whole lot of new ...

Powering your Arduino Projects

This is a complimentary post for my Arduino digital clock project, and aims to provide some insight into powering your Arduino projects once they have left the prototyping stage. I am by no means a...

Arduino Board Pinouts

ESP8266 LoLin NodeMCU V3 SD CARD VCC ............ 3.3v GND ............ GND MISO ........... D6 MOSI ........... D7 SCK ............ D5 CS ............. D8 WeMos ESP8266 D1 Mini I2C SDA =&...

Pro Mini Digital Clock using DS3231

In this tutorial I am going to be making a simple digital clock using an Arduino Pro Mini 168 and a DS3231 RTC clock module. To keep the wiring simple I am going to be talking to both devices on I2...