Raspberry Pi add-ons are often popular, and here is one for increased I/O. It’s created by Pi 2 Design, “to deliver on the promise of the ‘Internet of Things’ for real world projects,” they say. Basically, the 502IoT is designed to help create a low cost, sensor hub, data collection, data storage or gateway device. Supporting “access to …
502IoT Raspberry Pi add-on promises to be a professional sensor hub