This is the receiver for the previous circuit we found in the December 1992 Radio Electronics magazine. The sensor is a photodiode that must have optical features such as lenses.
This circuit for cars with fans was found in Silicon Chips documentation from the 90s. It is used...
This digital die circuit was found in an old European publication. The circuit is still viable due to...
This circuit that also has a Power On reset was obtained from a 2005 Linear Technology manual. The...