If the Arduino loses sight of the DHT22 temperature sensor inside the freezer, then the alarm sounds continuously. And if [Adam] is ever curious about the temperature in the freezer, it’s right ...

Plus, a built-in alarm that sounds when there’s a temperature change or an open door adds a little extra security that balances things out. Despite the overwhelming pros of this austere freezer, the ...

Funding model: Rental fee ($0.25/month for 2 inch box) User base: CU Boulder researchers and local companies The Green Labs Shared Ultra-Low Temperature ... and respond to alarms when there is a ...

This hospital refrigerator temperature monitoring system has specifically designed scheduled reports that will classify fridges that are repetitively going into alarm. This could be caused by ...

A freezer that isn't sufficiently freezing ... It's completely wireless, easy to read and has an alarm to alert you of any temperature spikes.

Leaving your freezer door open accidentally is a great ... and if the door remains open for two consecutive checks, it raises the alarm. A notification is sent to [Guy] via WiFi so that he can ...