This circuit uses sunrise and sunset as a synchronization signal. The circuit is from Electronics Now magazine from May 1999. The cycle is one pulse per week.
In this circuit the gain decreases as the input signal intensity increases. The circuit is from a...
This circuit was found in an American 1980s documentation. Dual FETs can be replaced by single...
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...