This recipe shows the necessary steps to run Node-RED and MongoDB on a Raspberry PI 2 in order to gather data and make them available through an open API. Specifications Raspberry PI 2 Model B, 1GB Raspbian Jessie on an…
Querying in Node-RED can be done in two different ways. 1. Having a query in a function node then sending it to the database node. Then selecting witch based on the message payload. 2. Having the query in the message…
So here we have a simple app in Node-red. It recieves a json message with mqtt, then saves it in a cloudant database and a sql database. In this recipie I am going to show how it works. First you…
In this recipie we are going to add a SQL Database to the app, then using it to save some data. Step1: Adding the Database First you ned to add a sql database as a servise to your app. Select…
After logging in. Navigate to the Dashboard in the navbar. – Click on create app. – Make it a web app – Press “Browse Boilerplates” – Then select the Node-RED Starter Community BETA – – Choose a name, and press…