This simple Node.js example sends Arduino sensor data to a MongoDB database hosted at MongoLab. It uses the MongoLab REST API. It also sends results based on rules to email. The hardware in the photo ...

Arduino driver for the Pixart PMW3901 optical flow sensor. The driver is developed to support the Bitcraze Flow Breakout board. It communicates with the sensor using SPI. The library is using the ...

Abstract: Over the last years, a significant amount of research papers based their practical evaluation of wireless sensor network-related topics on deployments consisting of Arduino-based sensor ...

In previous blog, I introduced how I create a simplest weather station with Arduino and connect it to cloud ... To make it fun, I use View and Data API. Think about following scenario, the temperature ...