Message Queuing Telemetry Transport (MQTT) protocol is widely used for IoT devices. MQTT is based on a message broker with clients that subscribe and publish to topics. Clients never communicate directly with each other.MQTT is a very lightweight protocol which…
The Solar Desktop Wallet makes your cryptographic keys available for message signing. Signing a message is useful in a situation where you need to prove you are in control of a specific address or to prove the authenticity of some…
In this article I will describe a basic framework for how blockchain and distributed storage can be used to implement secure Over the Air firmware update process for IoT devices. A simple implementation for this process is described using the…
The Socket Event Forwarder plugin is designed to be installed on a Solar Relay blockchain node. It forwards real-time blockchain events through Socket.io V3 protocol to a custom application. This guide will show how to install and configure the plugin.…
This tutorial will show how to setup a Node-Red development environment to prototype dAPPs running on the ARK Public Blockchain Network or an ARK Bridgechain. The ARK Typescript SDK will be used to interact with the blockchain however ARK also…
This guide will provide detailed instructions on how to install and use Node-Red to read blockchain data provided by the ARK Public REST API. A simple example application is provided that queries the delegate API endpoint and sends an alert…
During development of our Relay@Home project we created a CPU monitor dashboard using Grafana so that we could evaluate the performance of the Raspberry Pi. This guide shows a modified version of the dashboard that can be setup on any…
