Already fully funded on Kickstarter with more than seven weeks left in the campaign, the Ruggie is a new alarm clock that utilizes a pressure sensor to turn off the buzzer. When the Ruggie alarm goes ...

[imsolidstate] built his own pressure sensitive mat. It utilizes two discs of copper clad board with a piece of foam in between for each of 64 sensors. As the foam gets compressed, the capacitance ...

General purpose circuit of the simple pressure sensor alarm is built around a couple of readily available cheap components. Working of this circuit is straight forward and self-explanatory. When the ...