We found this circuit in the November 1992 Radio Electronics magazine. The circuit uses an LDR as a sensor and the transistor can be any general-purpose transistor.
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...