The handy project is built around a small Microchip 12F509 controller, an alarm, and a temperature sensor to remember the monitored temperature of how long it has been above a temperature set point.

Here is a simple freezer alarm circuit, but ultra sensitive with a buzzer. The circuit raises an audio alert when the temperature inside the freezer box goes up above a preset level. The circuit ...

Rensselaer Polytechnic Institute said that the cleaning service failed to properly train a janitor and is seeking $1 million in damages. By Remy Tumin For 20 years, a Rensselaer Polytechnic Institute ...