A simple device that can remotely tell the user at any time if the night sky is clear and suitable for viewing.
Safety is one of the main issues that the hearing-impaired community struggle with! There has not been any solution yet until now.
Use IFTTT to automatically log data to a Google spreadsheet using a Particle Photon. This will show how I logged temperature data.
Read multiple sensors from a Particle Photon and Publish via webhook to Thingspeak.