This circuit is from a 1968 publication. Here we have several types of resistive sensors with individual adjustments triggering a single SCR. Power depends on the type of sound device to be triggered.
This 80's Hands On Electronics circuit automatically switches from high light to low light when an...
IDT is a leading manufacturer of mobile inductive load devices (wireless). RTD uses the most...
This humidity alarm, rain or leakage was found in a 1992 publication. The sensor consists of a printed...