People seem to get very confused about file permissions when installing Node-RED and associated nodes. This article tries to set things straight.
Shows how to create a secure set of home automation controls without exposing Node-RED to the Internet. It uses a Telegram bot with a number of pre-defined commands.
Node-RED exposes an extensive API at runtime. While most of this is not available within your flows, much of it is available to custom nodes. Unfortunately, documentation for the API lags behind development. This page documents some of the key things I’ve learned about the API, what it does and how it works.
VSCode supports multi-cursor editing, here are some tips on using it.
Some examples of using AngularJS with the Node-RED Dashboard. Not all features of Angular are accessible via the Dashboard.
There are already too many people putting up insecure services over the Internet. Please don’t add to this problem. This article explains a simple way to get some level of connectivity to Node-RED over the Internet without security issues. It also explains some of the wider issues and where to go for more details.
Node-RED passes a msg object between node instances in a flow. It is common to need to extract a sub-string and there are multiple ways to achieve this. Here are some simeple examples.
A list of some tutorials and courses for learning Node-RED and Node.JS, maybe some web stuff too.
Using the Visual Studio Code debugger to debug Node-RED issues
📖 Posts | 📎 Software, Development, Home Automation (HA), Internet of Things (IoT), Software | 🔖 home automation, internet of things, iot, mqtt, node-red, raspberry pi, react
To access an MQTT broker direct from the browser, you need websockets support. On a Raspberry Pi, this used to require a custom build from source. That is no longer required. You can now install direct from the mosquitto.org repository and add a simple config change. This article explains the details.
Resources to show you how to create code-free business solutions in Microsoft SharePoint
The upgrade of this blog from WordPress 3.3 to 3.4 on Dreamhost didn’t go as smoothly as planned. In fact it failed fairly spectacularly – unable to complete the required database upgrade. However, many clouds have silver linings. In this case it meant that I brought forward my plans to ditch the horribly slow hosting provided by Dreamhost in the USA and switch over to the new VPS provided by BHost in the UK.
This tweak will change the “All Posts” page in the administration section of a WordPress site.
It adds the ability to filter the post list based on a custom field that has been used in any of the posts at any time.