This circuit can use a pendulum sensor. We found this configuration in a 1994 publication. The components used are common and the timing is given by the capacitor C1 which can be changed.
This timer activates a relay after a time interval of up to 15 minutes has elapsed, starting from...
Found in Motorola documentation from 1969, this circuit, compliant sensor and time network can...
August 2016 - It can be obtained from Mouser Electronics the new pressure transducer M5600 from TE...