This circuit can use almost any operating system and has a high input impedance. The power supply must be symmetrical. The circuit was obtained in documentation from the 1980s.
We found this circuit with transistors in a Philips documentation from 1968. The double transistor...
This circuit causes the load to switch on only after a time given by R1 and C1. The SCR must be...
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...